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3AH47 Vacuum Circuit-Breakers
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3AH47 Vacuum Circuit-Breakers
3AH47 Vacuum
Circuit-BreakersMedium-Voltage EquipmentCatalog HG 11.52 · 2010
Invalid:
Catalog HG 11.52 · 2007
Catalog HG 11.52 · 2008 (PDF version only)
Contents Page
DescriptionGeneral
Construction and mode of operation, standards
Ambient conditions, current carrying capacity
and dielectric strength
Product range overview and basic equipment
56
7
9
10
Equipment SelectionOrdering data and configuration example
Selection of basic types, circuit-breakers
(single-pole or two-pole)
Selection of secondary equipment
Selection of additional equipment
Accessories and spare parts
1112
13
14
22
23
Technical DataElectrical data, dimensions and weights
Circuit diagrams
Operating times, short-circuit protection of
motors, consumption data of releases
2526
30
32
AnnexInquiry form
3334
Contents
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3AH47 Vacuum Circuit-Breakers
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3AH47 Vacuum Circuit-Breakers DescriptionContents
Contents Page
Description
General
Construction and mode of operation:
Switching medium
Pole assembly
Operating mechanism box
Operating mechanism
Trip-free mechanismReleases
Closing
Circuit-breaker tripping signal
Interlocking
Standards
Ambient conditions
Current carrying capacity
Dielectric strength
Product range overview
Basic equipment
5
6
7
7
7
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8
8
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9
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9
10
10
Railway control center
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3AH47 Vacuum Circuit-Breakers
3AH47 – impressive with one or two poles
3AH47 circuit-breaker – The Special
for railway electrification applications at 17.5 kV and 27.5 kV
DescriptionGeneral
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The electrical power supply for railway systems requires
circuit-breakers with special features. Not only are theresingle-pole circuit-breakers in normal operation, but also
the high requirements regarding operational reliability
and number of operating cycles reach far beyond thestandards of other applications.
The vacuum circuit-breaker series 3AH47 offers – both for
162/3 Hz at a rated voltage of 17 5 kV and for 50/60 Hz at
3AH47 vacuum circuit-breakers control up to 60,000
operating cycles Minimum maintenance work such as
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3AH47 Vacuum Circuit-Breakers
The 3AH47 vacuum circuit-breaker consists of the pole
assembly (1) and the operating mechanism box (2). The pole
assembly is fixed to the operating mechanism box via post
insulators (3). The switching movement is transferred by
means of operating rods (4) and levers.
Switching medium
The vacuum switching technology, proven and fully
developed for more than 30 years, serves as arc-quenching
principle by using vacuum interrupters.
Pole assembly
A pole assembly consists of the vacuum interrupter (6) and
the interrupter supports. The vacuum interrupter is air-
insulated and freely accessible. This makes it possible to clean
the insulating parts easily in adverse ambient conditions.
The vacuum interrupter is mounted rigidly to the upper
interrupter support (5). The lower part of the interrupter is
guided in the lower interrupter support (7), allowing axial
movement. The braces absorb the external forces resulting
from switching operations and the contact pressure.
Operating mechanism box
The whole operating mechanism with releases, auxiliary
switches, indicators and actuating devices is accommodated
in the operating mechanism box. The extent of the
secondary equipment depends on the case of application
and offers a multiple variety of options in order to meet
almost every requirement.
Operating mechanism
The operating mechanism is a stored-energy mechanism.
The closing spring is charged either electrically or manually.
It latches tight at the end of the charging process and serves
as an energy store. The force is transmittedfrom the operatingmechanism to the pole assembly via operating rods.
To close the breaker, the closing spring can be unlatched
either mechanically by means of the local “ON” pushbutton
or electrically by remote control. The closing spring charges
the opening or contact pressure springs as the breaker
l h di h d l i i ill b h d
DescriptionConstruction and mode of operation
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p s
1 Pole assembly
2 Operatingmechanismbox
3 Post insulator
4 Operating rod
5 Upper interruptersupport
6 Vacuum interrupter
7 Lower interrupter support
Structure of the traction circuit-breaker
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3AH47 Vacuum Circuit-Breakers
Releases
A release is a device which transfers electrical commands
from an external source, such as a control room, to the
latching mechanism of the vacuum circuit-breaker so that it
can be opened or closed. How many releases are used and
how they are combined is defined when the secondary
equipment is selected.
• The closing solenoid unlatches the charged closing spring
of the vacuum circuit-breaker, closing it by electrical means.
• Shunt releases are used for tripping the circuit-breakers
via protection relay and for manual tripping via electrical
operation. For this purpose they are operated with an
auxiliary voltage (AC or DC) supplied by the protection relay
or the control room.
• Instantaneous releases are used for switching duties withextremely short breaking times, especially for applications in
162/3 Hz systems, in order to keep the arcing time short. For
operation of the instantaneous release, a capacitor tripping
unit is required additionally.
• Undervoltage releases comprise a stored-energy mechanism,
an unlatching mechanism and an electromagnetic system,
which is permanently connected to voltage while the
vacuum circuit-breaker is closed.If the voltage falls below a predetermined value, unlatching
of the release is enabled and the circuit-breaker is opened
via the stored-energy mechanism.
Closing
In the standard version, the 3AH47 vacuum circuit-breakers
can be remote-closed electrically. They can also be closed
locally by mechanical unlatching of the closing spring via
pushbutton.Instead of this “manual mechanical closing”, “manual
electrical closing” is also available. In this version, the closing
circuit of the circuit-breaker is controlled electrically by a
pushbutton instead of the mechanical button. In this way,
switchgear-related interlocks can also be considered for local
ti i d t t i l t l i
Circuit-breaker tripping signal
The NO contact makes brief contact while the vacuum
circuit-breaker is opening, and this is often used to operate
a hazard-warning system which, however, is only allowed
to respond to automatic tripping of the vacuum circuit-
breaker. Therefore, the signal from the NO contact must
be interrupted when the circuit-breaker is being openedintentionally. This is accomplished under local control with
the cut-out switch that is connected in series with the NO
contact.
Interlocking
Mechanical interlocking
The switch position of the circuit-breaker is checked from the
switchgear side, and its closing is blocked if the associated
disconnector is in faulty position. On the other hand, dis-
connector operation is prevented while the circuit-breaker is
closed. Accordingly, the mechanical interlocking can also be
usedto interlock against circuit-breaker trucks or withdrawable
parts.
Electrical interlocking
The vacuum circuit-breakers can be integrated in electro-
magnetic feeder or switchgear interlocks. In case of electrical
interlocking, the disconnector or its operating mechanism is
equipped with a magnetic lock-out mechanism. This
mechanism is controlled by an auxiliary contact of the
circuit-breaker, so that the disconnector can only be
operated when the circuit-breaker is open. On the other
hand, the circuit-breaker is also controlled by the
disconnector or its operating mechanism, so that it can only
be closed when the disconnector is in an end position. For
this purpose, manual electrical closing must be provided inthe circuit-breaker operating mechanism (see “Closing”).
Standards
3AH47 vacuum circuit-breakers conform to the following
standards:
• EN 50152-1
DescriptionConstruction and mode of operation, standards
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3AH47 Vacuum Circuit-Breakers
Ambient conditions
The vacuum circuit-breakers are designed for the normal
operating conditions defined in IEC 62271-100.
Condensation can occasionally occur under the ambient
conditions shown opposite. 3AH47 vacuum circuit-
breakers are suitable for use in the following climatic classes
according to IEC 60721, Part 3-3:
Climatic ambient conditions: Class 3K4 1)
Biological ambient conditions: Class 3B1
Mechanical ambient conditions: Class 3M2
Chemically-active substances: Class 3C2 2)
Mechanically-active substances: Class 3S2 3)
1) Low temperaturelimit: – 5 °C2) Without icing andwind-driven precipitation3) Restriction:Clean insulation parts
Current carrying capacity
The rated normal currents specified in the opposite diagram
have been defined according to IEC 62271-100 for an am-
bient air temperature of + 40 °C and apply to open switch-
gear. For enclosed switchgear the data of the switchgear
manufacturer applies. At ambient air temperatures below
+ 40 °C, higher normal currents can be carried (see diagram):
Characteristics curve 1 = Rated normal current 1250 ACharacteristics curve 2 = Rated normal current 2000 A
Characteristics curve 3 = Rated normal current 2500 A
Dielectric strength
The dielectric strength of air insulation decreases with
increasing altitude due to low air density. According to
IEC 62271-1, the values of the rated lightning impulse
withstand voltage and the rated short-duration power-
frequency withstand voltage specified in the chapter“Technical Data” apply to a site altitude of 1000 m above
sea level. For an altitude above 1000 m, the insulation level
must be corrected according to the opposite diagram.
The characteristic shown applies to both rated withstand
voltages.
DescriptionAmbient conditions, current carrying capacity and dielectric strength
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3AH47 Vacuum Circuit-Breakers
Product range overview
Ratedvoltage
Ratedshort-circuit break-ing current
Ratednormal current (A)
1250 2000 2500
kV kA Single-pole Two-pole Single-pole Two-pole Single-pole Two-pole
17.5 25
31.5
40
50
27.5 25
31.5
Circuit-breaker for 162/3 Hz Circuit-breaker for 50/60 Hz
Basic equipment
Features Minimum equipment Alternative equipment Remarks
Operatingmechanism Electricaloperatingmechanism
Manual operating mechanism(hand crank included in thescope of supply)
Hand crankalso available as accessory
Closing Closing solenoid andmanual mechanical closing
Manual electrical closing –
1st release Shunt release None –
2nd release Without Shunt release,undervoltagerelease,instantaneous release
When an instantaneousrelease is used, a capacitortripping unit is required
3rd release Without Undervoltage release Cannot be combined withan instantaneous release
Varistor circuit Installed forW 60 V DC None For limiting switching overvoltagesdueto inductiveloads
Auxiliary switch 6 NO + 6 NC 12 NO + 12 NC –
Plug connector 24-pole terminal strip 24-pole plug,64-pole plug
–
Anti-pumping Available None –
Circuit-breakertripping signal
Available None –
Operations counter Available None –
Interlocking Without Mechanical interlocking –
DescriptionProduct range overview and basic equipment
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3AH47 Vacuum Circuit-Breakers
Contents Page
Equipment Selection
Ordering data and configuration example
Selection of basic types, circuit-breakers
(single-pole or two-pole):
Voltage level 17.5 kV; 162/3 Hz
Voltage level 27.5 kV; 50/60 Hz
Selection of secondary equipment:
Release combination
Operating voltage, closing solenoid
Operating voltage, 1st shunt release
Operating voltage, 2nd release
Operating voltage, 3rd release
Operating voltage of the operating mechanism
Auxiliary switch, secondary connection, interlocking
Languages and frequency
Selection of additional equipment
Accessories and spare parts
11
12
13
13
14
15
16
17
18
19
20
21
22
23
Equipment SelectionContents
3AH47 vacuum circuit-breaker, single-pole
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3AH47 Vacuum Circuit-BreakersEquipment SelectionOrdering data and configuration example
Order number structure
The 3AH47 vacuum circuit-breakers consist of a primary and
a secondary part. The relevant data make up the 16-digit
order number. The primary part covers the main electrical
data of the circuit-breaker poles. The secondary part covers
the auxiliary devices which are necessary for operating and
controlling the vacuum circuit-breaker.Order codes
Individual equipment versions, marked with 9 or Z in the
9th or 16th position, are explained more in detail by a 3-digit
order code. Several order codes can be added to the order
number in succession and in any sequence.
Special versions ()
In case of special versions, “-Z” is added to the order number
and a descriptive order code follows. If several special versions
are required, the suffix “-Z” is listed only once. If a requested
special version is not in the catalog and can therefore not be
ordered via order code, it has to be identified with Y 9 9 after
consultation. The agreement hereto is made directly betweenyour responsible sales partner and the order processing de-
partment in the Switchgear Factory Berlin.
a:alphabetical n:numerical
Position: 1 2 3 4 5 6 7 – 8 9 10 11 12 – 13 14 15 16 Order codes
OrderNo.: 3 A H 4 7 n n – n a a n n – n a a n –
Primary part
1st position Superior groupSwitching devices
2nd position Main groupCircuit-breaker
3rd position SubgroupCircuit-breaker type series
4th to 8th position Basic equipmentDesign and ratingsprimary part
Secondary part
9th to16th position Secondary equipmentOperating mechanism, releases,operatingvoltages and further auxiliary equipment
Ordercodes
Group of3 afterthe Order No.Format: a n a
Special versions ()
Initiated with “-Z”Group of3 afterthe Order No.Format: a n n
3AH47 Vacuum Circuit-Breakers
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3AH47 Vacuum Circuit-Breakers
17.5 kV Position: 1 2 3 4 5 6 7 – 8 9 10 11 12 – 13 14 15 16 Order codes
162 / 3 Hz OrderNo.: 3 A H 4 7 – – –
Ur Up Ud I sc I ma I r
kV kV kV kA kA A
17.5 125 50 25 63 2000 1 3 A H 4 7 5 4 – 4
31.5 80 2000 1 3 A H 4 7 5 5 – 4
40 100 2500 1 3 A H 4 7 6 6 – 6
50 125 2500 1 3 A H 4 7 5 7 – 6
170 70 40 100 2500 1 3 A H 4 7 5 6 – 6 – Z D 6 5
27.5 kV50/60 Hz, single-pole
Ur Up Ud I sc I ma I r
kV kV kV kA kA A
27.5 185 85 25 63 1250 1 3 A H 4 7 8 4 – 2
2000 1 3 A H 4 7 8 4 – 4
2500 1 3 A H 4 7 8 4 – 631.5 80 1250 1 3 A H 4 7 8 5 – 2
2500 1 3 A H 4 7 8 5 – 6
200 95 25 63 1250 1 3 A H 4 7 8 4 – 2 – Z E 2 6
2000 1 3 A H 4 7 8 4 – 4 – Z E 2 6
31.5 80 1250 1 3 A H 4 7 8 5 – 2 – Z E 2 6
2000 1 3 A H 4 7 8 5 – 4 – Z E 2 6
2500 1 3 A H 4 7 8 5 – 6 – Z E 2 6
250 105 25 63 1250 1 3 A H 4 7 9 4 – 2
2000 1 3 A H 4 7 9 4 – 4
27.5 kV50/60 Hz, two-pole
Ur Up Ud I sc I ma I r
kV kV kV kA kA A
27.5 185 85 25 63 1250 2 3 A H 4 7 8 4 – 2 – Z D 3 1
31.5 80 1250 2 3 A H 4 7 8 5 – 2 – Z D 3 1
S e e p a g
e 1 4
S e e p a g
e 1 5
S e e p a g
e 1 6
S e e p a g
e 1 7
S e e p a g
e 1 8
S e e p a g
e 1 9
S e e p a g
e 2 0
S e e p a g
e 2 1
S e e p a g
e 2 2
R a t e d v o
l t a g e
R a t e d l i g
h t n i n g i m p u l s e
w i t h s t a n
d v o l t a g e
R a t e d s h
o r t - d u r a t i o n
p o w e r - f r e q u e n c y
w i t h s t a n
d v o l t a g e
R a t e d s h
o r t - c i r c u i t
b r e a k i n g c u r r e n t
a t 3 6 %
D C c o m p o n e n t
R a t e d s h
o r t - c i r c u i t
m a k i n g
c u r r e n t
( a t 5 0 / 6 0 H z )
R a t e d n o r m a l c u r r e n t
N u m b e r o f p o l e
a s s e m b l i e s
Equipment SelectionSelection of basic types, circuit-breakers
3AH47 Vacuum Circuit-Breakers
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3AH47 Vacuum Circuit-BreakersEquipment SelectionSelection of secondary equipment
9th position Position: 1 2 3 4 5 6 7 – 8 9 10 11 12 – 13 14 15 16 Order codes
Release combination Order No.: 3 A H 4 7 – – –
M
N
T
R
Y
S e e p a g e 1 5
S e e p a g e 1 6
S e e p a g e 1 7
S e e p a g e 1 8
S e e p a g e 1 9
S e e p a g e 2 0
S e e p a g e 2 1
S e e p a g e 2 2
C l o s i n g s o l e n o i d
1 s t s h u n
t r e l e a s e
2 n d s h u n
t r e l e a s e
U n d e r v o
l t a g e r e l e a s e
I n s t a n t a
n e o u s r e l e a s e
( c a p a c i t o r t r i p p i n g u n i t
a s a c c e s
s o r y )
3AH47 Vacuum Circuit-Breakers
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3AH47 Vacuum Circuit-Breakers Equipment SelectionSelection of secondary equipment
10th position Position: 1 2 3 4 5 6 7 – 8 9 10 11 12 – 13 14 15 16 Order codes
Operating voltage of the closing solenoid Order No.: 3 A H 4 7 – – –
Mechanical closing at the circuit-breaker24VDC B
48VDC C
60VDC D
110 V DC E
220 V DC F
100 V AC 50/60 Hz 1) H
110 V AC 50/60 Hz 1) J
230 V AC 50/60 Hz 1) K
30VDC Z With ordercode K 1 A
32VDC Z With ordercode K 1 B
120 V DC Z With ordercode K 1 C
125 V DC Z With ordercode K 1 D
127 V DC Z With ordercode K 1 E
240 V DC Z With ordercode K 1 F
120 V AC 50/60 Hz 1) Z With ordercode K 1 K
125 V AC 50/60 Hz 1) Z With ordercode K 1 L
240 V AC 50/60 Hz 1) Z With ordercode K 1 M
Manual electrical closing at the circuit-breaker
24VDC M
48VDC N
60VDC P110 V DC Q
220 V DC R
100 V AC 50/60 Hz 1) T
110 V AC 50/60 Hz 1) U
230 V AC 50/60 Hz 1) V
30VDC Z With ordercode K 2 A
32VDC Z With ordercode K 2 B
120 V DC Z With ordercode K 2 C
125 V DC Z With ordercode K 2 D
127 V DC Z With ordercode K 2 E
240 V DC Z With ordercode K 2 F120 V AC 50/60 Hz 1) Z With ordercode K 2 K
125 V AC 50/60 Hz 1) Z With ordercode K 2 L
240 V AC 50/60 Hz 1) Z With ordercode K 2 M
1) The ACfrequency50 or60 Hzis selected at the 16th position of theorder numbertogetherwith thelanguage (see page 21)
Standard voltages Special voltages
S e e p a g e 1 6
S e e p a g e 1 7
S e e p a g e 1 8
S e e p a g e 1 9
S e e p a g e 2 0
S e e p a g e 2 1
S e e p a g e 2 2
3AH47 Vacuum Circuit-Breakers
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3AH47 Vacuum Circuit-BreakersEquipment SelectionSelection of secondary equipment
11th position Position: 1 2 3 4 5 6 7 – 8 9 10 11 12 – 13 14 15 16 Order codes
Operating voltage of the1st shunt release Order No.: 3 A H 4 7 – – –
24VDC 148VDC 2
60VDC 3
110 V DC 4
220 V DC 5
100 V AC 50/60 Hz 1) 6
110 V AC 50/60 Hz 1) 7
230 V AC 50/60 Hz 1) 8
30VDC 9 With ordercode L 1 A
32VDC 9 With ordercode L 1 B
120 V DC 9 With ordercode L 1 C
125 V DC 9 With ordercode L 1 D
127 V DC 9 With ordercode L 1 E
240 V DC 9 With ordercode L 1 F
120 V AC 50/60 Hz 1) 9 With ordercode L 1 K
125 V AC 50/60 Hz 1) 9 With ordercode L 1 L
240 V AC 50/60 Hz 1) 9 With ordercode L 1 M
1) The ACfrequency50 or60 Hzis selected at the 16th position of theorder numbertogetherwith thelanguage (see page 21)
Standard voltages Special voltages
S e e p a g e 1 7
S e e p a g e 1 8
S e e p a g e 1 9
S e e p a g e 2 0
S e e p a g e 2 1
S e e p a g e 2 2
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12th position Position: 1 2 3 4 5 6 7 – 8 9 10 11 12 – 13 14 15 16 Order codes
Operating voltage of the2ndrelease Order No.: 3 A H 4 7 – – –
Shunt release,undervoltage release or instantaneous release 2)
Without 2nd release 0
24VDC 1
48VDC 2
60VDC 3
110 V DC 4
220 V DC 5
100 V AC 50/60 Hz 1) 6
110 V AC 50/60 Hz 1) 7
230 V AC 50/60 Hz 1) 8
30VDC 9 With ordercode M 1 A
32VDC 9 With ordercode M 1 B
120 V DC 9 With ordercode M 1 C
125 V DC 9 With ordercode M 1 D
127 V DC 9 With ordercode M 1 E
240 V DC 9 With ordercode M 1 F
120 V AC 50/60 Hz 1) 9 With ordercode M 1 K
125 V AC 50/60 Hz 1) 9 With ordercode M 1 L
240 V AC 50/60 Hz 1) 9 With ordercode M 1 M
1) The ACfrequency50 or60 Hzis selected at the 16th position of theorder numbertogetherwith thelanguage (see page 21)
2) 60 V DC, 110 V DCand 220 V DC
S e e p a g e 1 8
S e e p a g e 1 9
S e e p a g e 2 0
S e e p a g e 2 1
S e e p a g e 2 2
2
3AH47 Vacuum Circuit-Breakers
Standard voltages Special voltages
Equipment SelectionSelection of secondary equipment
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3AH47 Vacuum Circuit-Breakers
13thposition Position: 1 2 3 4 5 6 7 – 8 9 10 11 12 – 13 14 15 16 Order codes
Operating voltage of the3rd release Order No.: 3 A H 4 7 – – –
Undervoltage release
Without 3rdrelease 0
24VDC 1
48VDC 2
60VDC 3
110 V DC 4
220 V DC 5
100 V AC 50/60 Hz 1) 6
110 V AC 50/60 Hz 1) 7
230 V AC 50/60 Hz 1) 8
30VDC 9 With ordercode N 1 A
32VDC 9 With ordercode N 1 B120 V DC 9 With ordercode N 1 C
125 V DC 9 With ordercode N 1 D
127 V DC 9 With ordercode N 1 E
240 V DC 9 With ordercode N 1 F
120 V AC 50/60 Hz 1) 9 With ordercode N 1 K
125 V AC 50/60 Hz 1) 9 With ordercode N 1 L
240 V AC 50/60 Hz 1) 9 With ordercode N 1 M
1) The ACfrequency50 or60 Hzis selected at the 16th position of theorder numbertogetherwith thelanguage (see page 21)
Standard voltages Special voltages
S e e p a g e 1 9
S e e p a g e 2 0
S e e p a g e 2 1
S e e p a g e 2 2
Equipment SelectionSelection of secondary equipment
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3AH47 Vacuum Circuit-Breakers
14th position Position: 1 2 3 4 5 6 7 – 8 9 10 11 12 – 13 14 15 16 Order codes
Operating voltage of the operating mechanism Order No.: 3 A H 4 7 – – –
Manual operating mechanism(hand crank included in thescopeof supply) A
24VDC B
48VDC C
60VDC D
110 V DC E
220 V DC F
100 V AC 50/60 Hz 1) H
110 V AC 50/60 Hz 1) J
230 V AC 50/60 Hz 1) K
30VDC Z With ordercode P 1 A
32VDC Z With ordercode P 1 B120 V DC Z With ordercode P 1 C
125 V DC Z With ordercode P 1 D
127 V DC Z With ordercode P 1 E
240 V DC Z With ordercode P 1 F
120 V AC 50/60 Hz 1) Z With ordercode P 1 K
125 V AC 50/60 Hz 1) Z With ordercode P 1 L
240 V AC 50/60 Hz 1) Z With ordercode P 1 M
1) The ACfrequency50 or60 Hzis selected at the 16th position of theorder numbertogetherwith thelanguage (see page 21)
Standard voltages Special voltages
S e e p a g e 2 0
S e e p a g e 2 1
S e e p a g e 2 2
Equipment SelectionSelection of secondary equipment
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3AH47 Vacuum Circuit-Breakers
15th position Position: 1 2 3 4 5 6 7 – 8 9 10 11 12 – 13 14 15 16 Order codes
Auxiliaryswitch, secondary connection,interlocking Order No.: 3 A H 4 7 – – –
A
E
G
C
M
B
F
H
D
NSpecial version
Auxiliary switch 12NO+12NC and 24-pole plug (E or F) – Z A 2 6
Special versions gold-platedcontacts and pins
Auxiliary switch 6 N O + 6 NC and24-pole terminal strip (G or H) – Z A 1 7
Auxiliary switch 12NO+12NC and24-pole terminal strip (M orN) – Z A 1 8
Auxiliary switch 6 N O + 6 N C and 64-pole plug (A or B) – Z A 2 0
Auxiliary switch 12NO+ 12NC and 64-pole plug (C or D) – Z A 2 1
1) Dependingon theequipment, some connections of the64-pole plug
connectorremain free.These canbe connectedto free auxiliary switchcontacts by the customer. Prefabricated wiresare available as accessories.
2) Auxiliary switchcontactsare notwiredto theplug/terminal strip and musttherefore be connecteddirectly.
M e
c h a n i c a l
i n t e r l o c k i n g
A u x i l i a r y s w i t c h
6 N
O + 6 N C
A u x i l i a r y s w i t c h
1 2
N O + 1 2 N C
6 4 - p o l e p l u g 1 )
2 4 - p o l e p l u g 2 )
2 4 - p o l e
t e r m i n a l s t r i p 2 )
S e e p a g e 2 1
S e e p a g e 2 2
Equipment SelectionSelection of secondary equipment
3AH47 V Ci i B k i l i
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16th position Position: 1 2 3 4 5 6 7 – 8 9 10 11 12 – 13 14 15 16 Order codes
AC frequency of operating voltages Order No.: 3 A H 4 7 – – –
Languages of operating instructions and rating plate
0
1
2
3
4
5
6
7
Other languages on request
Special versions
Additional informationon the ratingplate(onlyafterconsultationwith theorderprocessing departmentat theSwitchgear Factory Berlin).Information in clear text. – Z Y 1 2
2
3AH47 Vacuum Circuit-Breakers
S e e p
a g e 2 2
Equipment SelectionSelection of secondary equipment
G e r m a n
E n g l i s h
F r e n c h
S p a n i s h
D C
5 0 H z
5 0 H z a n d
D C
6 0 H z
6 0 H z a n d
D C
Language selection Frequency selection
3AH47 V c Ci c it B k sE i t S l ti
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2
3AH47 Vacuum Circuit-Breakers
Additional equipment Position: 1 2 3 4 5 6 7 – 8 9 10 11 12 – 13 14 15 16 Order codes
Order No.: 3 A H 4 7 – – –
Wiring cables, halogen-free and flame-retardant – Z A 1 0
Condensationprotection, heating for 230 V AC,50 W – Z A 3 0
Additional ratingplate, loosedelivery – Z B 0 0
Routine testcertificateenclosed – Z F 2 0
Hand crank(alsofor motor operating mechanism)formanual charging of theclosing spring – Z F 3 0
Further,non-listed special versions (onlyafterconsultation withthe order processing department at the SwitchgearFactory Berlin).Information in clear text. – Z Y 9 9
Options
Equipment SelectionSelection of additional equipment
3AH47 Vacuum Circuit Breakers Equipment Selection
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2
3AH47 Vacuum Circuit-Breakers Equipment SelectionAccessories and spare parts
On request, we will be pleased to send you an overview
of accessories and spare parts, as well as the spare pole
assemblies available. Please consider the following infor-
mation for your purchase order.
Remark for orders
The order numbers in the spare part overview are applicable
to vacuum circuit-breakers of current manufacture. Whenmounting parts or spare parts are being ordered for an
existing vacuum circuit-breaker, always quote the type
designation, serial number and the year of manufacture of
the circuit-breaker to be sure to get the correct delivery.
Retrofitting
When releases/solenoids are retrofitted, the order numbers
of the mounting parts must also be specified. For other addi-
tional equipment, the required mounting parts are includedin the delivery.
Spare pole assemblies
As spare parts, the vacuum interrupters are always supplied
as a complete pole including post insulator.
To select the correct spare pole assemblies, please specify
the type designation, serial number and year of manufacture
of the circuit-breaker. All data is given on the rating plate.
Vacuum pole assemblies and other spare parts must only
be replaced by instructed personnel.
Accessories for the plug connector
Included in the scope of supply of the basic equipment for
3AH47 vacuum circuit-breakers:
For 24-pole plug connector
– Lower part of plug
– Crimp sockets according to number of contacts
– Upper part of plug with screwed contacts(no crimp sockets required)
For 64-pole plug connector
– Lower part of plug
– Upper part of plug
– Crimp sockets according to number of contacts
Data on the rating plate
Note:
For any query regarding spare parts,
subsequent deliveries, etc. the following
three details are necessary:
– Type designation
– Serial No.– Year of manufacture
Designation Remarks Order No
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3AH47 Vacuum Circuit Breakers
3AH47 Vacuum Circuit-Breakers Technical Data
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3
3AH47 Vacuum Circuit Breakers
Post insulator and pole assembly
Contents Page
Technical Data
Electrical data, dimensions and weights:Voltage level 17.5 kV
Voltage level 27.5 kV (single-pole)
Voltage level 27.5 kV (two-pole)
Circuit diagrams
Operating times
Short-circuit protection of motors
Consumption data of releases
25
26
26
26
30
32
32
32
Technical DataContents
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3AH47 Vacuum Circuit-BreakersTechnical Data
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17.5 kV162/3 Hz
I r tk I sc I ma Up Ud
A s kA % kA kA kV kV mV mm mm mm kg
3AH47 54-4… 2000 1 3 25 65 28 63 125 50 2.2 360 220 160 90 S_325 00021 1 1
3AH47 55-4… 2000 1 3 31.5 65 35.4 80 125 50 2.2 360 220 160 90 S_325 00021 2 1
3AH47 66-6… 2500 1 3 40 65 44.9 100 125 50 2.0 276 205 165 110 S_325 00025 3 1
3AH47 57-6… 2500 1 3 50 65 56.1 125 125 50 3.2 320 210 210 138 S_325 00022 4 2
3AH47 56-6…-Z D65 2500 1 3 40 65 54.3 100 170 70 3.2 320 340 300 138 S_325 00507 3 2
27.5 kV50/60 Hz
I r tk I sc I ma Up Ud
A s kA % kA kA kV kV mV mm mm mm kg
3AH47 84-2… 1250 1 3 25 36 28 63 185 85 2.6 360 409 255 95 S_325 00027 5 3
3AH47 84-4… 2000 1 3 25 36 28 63 185 85 2.6 360 409 255 95 S_325 00027 5 3
3AH47 84-6… 2500 1 3 25 36 28 63 185 85 2.6 360 409 255 95 S_325 00027 5 3
3AH47 85-2… 1250 1 3 31.5 36 35.4 80 185 85 2.2 360 409 255 110 S_325 00027 6 3
3AH47 85-6… 2500 1 3 31.5 36 35.4 80 185 85 2.2 360 409 255 110 S_325 00027 6 3
3AH47 84-2…-Z E26 1250 1 3 25 36 28 63 200 95 2.6 360 409 270 95 S_325 00527 5 4
3AH47 84-4…-Z E26 2000 1 3 25 36 28 63 200 95 2.6 360 409 270 95 S_325 00527 5 4
3AH47 85-2…-Z E26 1250 1 3 31.5 36 35.4 80 200 95 2.2 360 409 270 100 S_325 00527 6 4
3
O r d e r N o .
R a t e d n o r m a l c u r r e n t
N u m b e r o f p o l e a s s e
m b l i e s
R a t e d o p e r a t i n g s e q u
e n c e :
O - 3 m i n - C O - 3 m i n - C O
O - 5 s - C O
O - 0 . 3 s - C O - 3 m i n
- C O
R a t e d d u r a t i o n o f s h o r t - c i r c u i t
R a t e d s h o r t - c i r c u i t b r e a k i n g c u r r e n t
D C c o m p o n e n t i n %
o f t h e r a t e d s h o r t - c i r c u i t b r e a k i n g c u r r e n t
A s y m m e t r i c a l b r e a k i n g c u r r e n t
R a t e d s h o r t - c i r c u i t m
a k i n g c u r r e n t
R a t e d l i g h t n i n g i m p u
l s e w i t h s t a n d v o l t a g e
R a t e d s h o r t - d u r a t i o n
p o w e r - f r e q u e n c y
w i t h s t a n d v o l t a g e
V o l t a g e d r o p ∆ U
b e t w e e n c o n n e c t i o n s
( a c c o r d i n g t o I E C 6 2 2 7 1 - 1 a t D C 1 0 0 A )
M i n i m u m
c r e e p a g e d i s t a n c e ,
i n t e r r u p t e r
M i n i m u m
c r e e p a g e d i s t a n c e ,
p h a s e - t o - e a r t h
M i n i m u m
c l e a r a n c e ,
p h a s e - t o - e a r t h
W e i g h t s
D e t a i l e d d i m e n s i o n d
r a w i n g
( c a n b e o r d e r e d )
O p e r a t i n g c y c l e d i a g r a m
n o .
( s e e p a g e 2 7 )
C a t a l o g d i m e n s i o n d
r a w i n g n o .
( s e e p a g e s 2 8 a n d 2 9 )
Technical DataElectrical data, dimensions and weights
3AH47 Vacuum Circuit-Breakers Technical Data
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3
Electrical data, dimensions and weights
Operating cycle diagrams for 17.5 kV
Operating cycle diagrams for 27.5 kV, single-pole and two-pole
The permissible number of
electrical operating cycles
is shown as a function
of the breaking current
(r.m.s. value). All vacuum
circuit-breakers fulfil the
endurance classes E2,
M2 and C2 according
to IEC 62271-100. The
curve shape beyond the
parameters defined in
IEC 62271-100 is based on
average experience data.
The number of operatingcycles that can actually be
reached can be different
depending on the respec-
tive application.
The permissible number of
electrical operating cycles
is shown as a function
of the breaking current
(r.m.s. value). All vacuum
circuit-breakers fulfil the
endurance classes E2,
M2 and C2 according
to IEC 62271-100. The
curve shape beyond the
parameters defined in
IEC 62271-100 is based on
average experience data.
3AH47 Vacuum Circuit-BreakersTechnical Data 3AH47 Vacuum Circuit-Breakers
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3
Electrical data, dimensions and weights
Dimension drawing 1
Dimension drawing 21) For Up = 170 kV
Dimension drawings for 17.5 kV
Dimension drawing 3
Dimension drawing 41) For I r = 2500 A
Dimension drawings for 27.5 kV
3AH47 Vacuum Circuit-Breakers Technical Data3AH47 Vacuum Circuit-Breakers
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3
Electrical data, dimensions and weights
Dimension drawing 5
Dimension drawing 6
Dimension drawing 71) For Up = 200 kV
Dimension drawings for 27.5 kV
3AH47 Vacuum Circuit-BreakersTechnical DataCi it di
3AH47 Vacuum Circuit-Breakers
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3
Manual closing – manual opening with auxiliary switch 6 NO + 6 NC
Contacts available for customer 5 NO + 5 NC
Motor operating mechanism with mechanical closing
Circuit diagrams
Circuit- Signal 1st shuntbreaker “closing spring releasetripping signal charged”
Circuit diagrams
The circuit diagrams shown here are examples from the manifold possibilities of circuit-breaker wiring.
3AH47 Vacuum Circuit-Breakers Technical DataCircuit diagrams
3AH47 Vacuum Circuit-Breakers
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3
Additional equipment: Auxiliary switch
Additional equipment: Releases
Circuit diagrams
Additional equipment: Motor operating mechanism with manual electrical closing
Manual electrical Closing and
closing anti-pumping
Motor operating mechanism
Contacts available for customer with basic circuit-breaker equipment
Auxiliary switch –S1 (12 NO + 12 NC) instead of auxiliary switch 6 NO + 6 NC
3AH47 Vacuum Circuit-BreakersTechnical DataOperating times short-circuit protection of motors consumption data of releases
3AH47 Vacuum Circuit-Breakers
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3
Operating times
Operating times at rated voltageof the secondary circuit
Equipment of circuit-breaker Operating timeof circuit-breaker
Closing time – < 80 ms
Opening time 1st shunt release < 65 ms
Additional release < 50 ms
Instantaneous release < 17 msArcing time – < 15 ms 1)
Break time 1st shunt release < 80 ms
Additional release < 60 ms
Instantaneous release (at 162/3 Hz) < 50 ms
Dead time – 300 ms
CLOSE/OPEN contact time 1st shunt release < 90 ms
Additional release < 70 ms
Minimum command duration Closing solenoid (CLOSED) 45 ms
1st shunt release (OPEN) 40 ms
Additional release (OPEN) 20 ms
Pulse time for circuit-breaker tripping signal 1st shunt release > 15 ms
2nd shunt release > 10 ms
Charging time for electrical operation – < 15 s
1) < 33msat a rated frequency of162/3 Hz
Short-circuit protection of motors (fuse protection of drive motors)
Rated voltageof the motor
Operating voltage Power consumption of the motor Smallest possible ratedcurrent 2) of the m.c.b.(miniature circuit-breaker)with C-characteristic
V max. V min. V W (at DC) VA (at AC) A
24 DC 26 20 500 – 16
48 DC 53 41 500 – 8
60 DC 66 51 500 – 6
110 DC 121 93 500 – 4
220 DC 242 187 500 – 2
110 AC 121 93 – 650 4230 AC 244 187 – 650 2
2) Thecurrent inrushin the drive motor canbe neglected dueto itsvery short presence
Consumption data of releases
Operating times, short-circuit protection of motors, consumption data of releases
3AH47 Vacuum Circuit-Breakers AnnexContents
3AH47 Vacuum Circuit-Breakers
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4
Contents Page
Annex
Inquiry form
Configuration instructions
Configuration aid
33
34
35
Contents
Foldout page
Brandenburg Gate, Berlin, Germany
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3AH47 Vacuum Circuit-BreakersAnnexInquiryform
3AH47 Vacuum Circuit-Breakers
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4
Inquiryform
Inquiry concerning
3AH47 circuit-breaker
Please
Submit an offer Call us Visit us
Your address
Company
Dept.
Name
Street
Postal code/city
Phone
Fax
Si AG
Technical dataOthervalues
Rated voltage 17.5 kV
27.5 kV
162/3 Hz
50/60 Hz _ _ _ kV
Rated lightning impulse
withstand voltage
125 kV
200 kV
170kV
250kV
185 kV
_ _ _ kV
Rated short-duration
power-frequency withstand voltage
50kV
95kV
70kV
105kV
85kV
_ _ _ kV
Rated short-circuit
breaking current
25kA
40kA
31.5 kA
50kA _ _ _ kA
Rated normal current 1250 A
2500 A
2000 A
_ _ _ A
Numberof poles Single-pole Two-pole
Secondary equipment
For possible combinations see pages 14 to 21
Circuit-breaker equipment
Manual mechanical closing
Manual electrical closing
Manual operating mechanism
Motoroperating mechanism _ _ _ V DC _ _ _ V AC, _ _ _ Hz
Closing solenoid _ _ _ V DC _ _ _ V AC, _ _ _ Hz
1st shunt release _ _ _ V DC _ _ _ V AC, _ _ _ Hz
2nd shunt release _ _ _ V DC _ _ _ V AC, _ _ _ Hz
Instantaneous release 60VDC 110 V DC 220 V DC
Undervoltage release _ _ _ V DC _ _ _ V AC, _ _ _ Hz
Auxiliary switch
6NO+6NC
12NO+12NC
Low-voltageconnection 24-pole
terminal strip
24-pole plug 64-pole plug
Mechanical interlocking
Operating instructions English German French Spanish
Please copy, fill in and returnto your Siemens partner.
For configuration of your3AH47 vacuum circuit-breaker
You prefer to configure your 3AH47 traction circuit-breaker on your own?Please follow the steps for configuration and enter the order number in the configuration aid.
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Instructions for configuration of the 3AH47 traction circuit-breaker
1st step: Definition of the primary part (see page 13)
Please specify the following ratings: Possible options:
Ratedvoltage (Ur) Ur: 17.5kV(162/3 Hz), 27.5 kV(50/60Hz)
Ratedlightningimpulsewithstand voltage (Up) Up: 125 kV, 170kV, 185kV, 200kV, 250kV
Ratedshort-duration power-frequency withstandvoltage (Ud) Ud: 50kV, 70kV,85 kV,95 kV,105kV
Ratedshort-circuitbreaking current ( I sc) I sc: 25 kA, 31.5kA,40kA,50kA
Ratednormalcurrent( I r) I r: 1250A,2000A,2500A
Number of poles Single-pole, two-pole
Theseratingsdefine thepositions6 to8 ofthe ordernumber.
2nd step: Definition of the secondary equipment (see pages 14 to 21)
P leasespecifythefol lowingequipmentfeatures: Possib leoptions:
Release combination(position9)
Shuntrelease,instantaneousreleaseandundervoltagerelease
Closing solenoid
(position10)
Operatingvoltagesfrom24 V DCto 240V AC
Operatingvoltageof thereleases(positions 11/12/13)
Operatingvoltagesfrom24 V DCto 240V AC
Typeof local closing(position10)
Mechanicalclosing,manual electricalclosing
Typeof operatingmechanismand operatingvoltageof a motor, ifavailable(position14)
Manual operatingstored-energymechanism, motoroperating stored-energymechanismwithoperatingvoltagesfrom24 V DCto 240V AC
Numberof auxiliarycontacts(position15)
6NO+6NC,12NO+12NC
Design ofthe secondaryconnection(position15)
24-pole terminalstrip, 24-pole plugconnector,64-pole plugconnector
Languageof thedocumentation(position16)
English,German, French, Spanish, otherlanguages onrequest
Frequencyof the operatingvoltageof thesecondaryequipment at AC(position 16)
50Hz/60Hz
Theseequipment features define the positions9 to 16 ofthe ordernumber.
3rd step: Do you have any further requirements concerning the equipment? (Please refer to page 22)
Should you still need more options than the possible special equipment like halogen-free and
flame-retardant or silicone-free version, condensation protection or an additional rating plate, etc.,
please contact your responsible sales partner.
1 2 3 4 5 6 7 – 8 9 10 11 12 – 1 3 14 15 16
3 A H 4 7 – – – Z
3 A H 4 7 – –
+ + + +
+ + + +
3 A H 4 7 – –
+ + + +
+ + + +
3 A H 4 7 – –
+ + + +
+ + + +
3 A H 4 7 – –
+ + + +
+ + + +
3 A H 4 7 – –
+ + + +
+ + + +
3 A H 4 7 – –
+ + + +
+ + + +
3 A H 4 7 – –
+ + + +
+ + + +
3 A H 4 7 – –
+ + + +
+ + + +
3 A H 4 7 – –
+ + + +
+ + + +
S e e
p a g e
1 3
S e e
p a g e
1 3
S e e
p a g e
1 3
S e e
p a g e
1 4
S e e
p a g e
1 5
S e e
p a g e
1 6
S e e
p a g e
1 7
S e e
p a g e
1 8
S e e
p a g e
1 9
S e e
p a g e
2 0
S e e
p a g e
2 1
S e e
p a g e
2 2
35SiemensHG 11.52· 2010
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G 1 1 - 1
7 4 . e
p s
Published by and copyright © 2010:
Siemens AG
Energy Sector
Freyeslebenstrasse 1
91058 Erlangen, Germany
Siemens AG
Energy Sector
Power Distribution Division
Medium Voltage
Nonnendammallee 104
13623 Berlin, Germany
For more information, please contact our
Customer Support Center.
Phone: +49 180 524 70 00
Fax: +49 180 524 24 71
(Charges depending on provider)
E-mail: support.energy@siemens.com
Order No. E50001-K1511-A521-A2-7600
Printed in Germany
Dispo 40402, c4bs 7470
KG 05.10 1.0 38 En
3600/24493
Printed on elementary chlorine-free bleached paper.
All rights reserved.
If not stated otherwise on the individual pages of this
catalog, we reserve the right to include modifications,
especially regarding the stated values, dimensions and weights.Drawings are not binding.
All product designations used are trademarks or product
names of Siemens AG or other suppliers.
If not stated otherwise, all dimensions in this
catalog are given in mm.
Subject to change without prior notice.
The information in this document contains general
descriptions of the technical options available, which
may not apply in all cases. The required technical
options should therefore be specified in the contract.
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