ods switch
TRANSCRIPT
ODS Control andSelector Switches
2
ODS Control and Selector Switches
IntroductionThis publication provides design,application and orderinginformation for the ALSTOM rangeof ODS control, auxiliary andinstrument switches.
The ODS range has beenmanufactured for over twenty fiveyears and is well proven in a widevariety of applications andoperating conditions.
ApprovalsODS switches are approved by –
CEGB to ES150-18 Duty II& Life Classes I, II & IIILloyds Register of Shipping
Ordering ProcedureContact arrangements for moststandard types are detailed onpages 9 to 13.
Please specify requirements byfilling in the whole of the switchordering sheet provided at the backof this publication. Further copies ofthis form are available on requestalthough you may prefer to produceyour own duplicate copies.
3
Features Benefits
30A contact rating Negates the use of ancillarycontactors for many heavy currentswitching applications
Up to 60 contacts on one switch Critical switching operations can beachieved using one switchpreventing possible errors whenusing more switches
Up to eight switch positions Can be used for duties having manyfunctions
Choice of contact duties Switches suitable for ac, dc andsmall signal applications
Choice of stayput or spring return Switches available for both selectorand control applications from thesame range
Flame retardant material with arc Meets all required safety standardsquenching properties
Silver cadmium oxide contacts for High reliability and durabilitypositive electrical connection
Choice of 13 handles including Suitable for use on all styles ofkey operated switchboard
Large handles provide positiveswitch operation when multiplecontacts are used
Key operated switches provideadded security
Barrel locks or padlocking facility Prevents unauthorised useavailable
Auxiliary switch available with Provides additional contacts whenuniversal driver lever used with circuit breakers
Last position indicator and lost Last position indicator displaysmotion (slip) contacts available for status of breakercircuit breaker control applications Lost motion contacts provide an
electrical means of displaying statusof circuit breaker and ensuresbreaker cannot be opened or closedtwice in succession
Engraved escutcheon Provides easily readable display ofswitch duty
4
ConstructionThe ODS switch has been designedon the ‘pack’ principle, eachindividual pack containingelectrically independent doublebreak contacts and a mechanicaloperating cam, driven by a commonshaft. Up to 30 packs can beaccommodated on a single switchgiving a maximum of 60 electricalways. More contacts can beaccommodated, as required, byganging two or more switchestogether.
The individual switch packs whichform the basis of the switch aremoulded in a self extinguishingplastic compound with inherent arcquenching and high insulatingproperties. The contacts andassociated moving parts arecompletely enclosed in the mouldinggiving a high degree of dustprotection.
The mechanism housing is mouldedin fire resistant material andcontains the mechanical partsnecessary to provide the stay-put,spring return or lost motion switchactions.
ContactsEach pole provides a doubleelectrical break by means of twofixed contacts and one movingbridge contact. Contacts havedomed silver cadmium oxide buttonson the fixed parts and flat silvercadmium oxide buttons on themoving contact. The fixed copperterminal faces are tin plated toensure a good electrical connection.See Figure 1.
The contact bridge system comprisesa moving contact attached to a camfollower. On operation of the switchthe brass roller, part of the camfollower, follows the contours of theoperating cam causing the contactsto open and close as required.Contact pressure is maintained bytwo springs acting on the contactbridge.
The design of the ODS switch issuch that ‘make before break’ or‘break before make’ contactarrangements can be provideddependent upon the switchapplication.
Four classes of contact duty areavailable; Extra Light (gold plated),Light, Medium and Heavy duty.To determine which class of contactduty you require refer to contactdata on page 15.
EscutcheonsIf required an escutcheon formounting on the front of the panelcan be provided. The escutcheoncan be supplied blank or withcustomised engraving which mustbe stated at the time of order.
A standard gravoply escutcheon isprovided with a white backgroundand black letters when engraved.Alternative colours are available onrequest – please refer to factory.
Figure 1: ODS switch pack
5
HandlesSmall pointer type (MS) handles arenormally fitted as standard to bothcontrol and instrument switches.Alternative handles are available asillustrated in Figure 2.
Figure 2: ODS switch handles
CL ML EL
CS MS ES
AS BS DS
AL BL DL
6
Locking FacilitiesThe following locking facilities canbe provided on control switches.
Figure 5: Key operated ODS switch
Figure 4: ODS switch with barrel lock
Figure 3: Padlockable ODS switch
Padlocking
Padlocking arrangements can beprovided with either a ‘pull to lock’or a self locking ‘push to release’facility. See Figure 3. Locking canbe achieved in any switch positionor combinations thereof, byselection.
The maximum diameter padlockhasp suitable for use with the switchis 4.7mm.
Barrel locking
A barrel lock can be incorporated inthe centre of the operating handle,lockable, by selection, in any of theswitch positions. It can be suppliedwith either the ‘key free when switchlocked or unlocked’ or ‘key free onlywhen switch locked’. See Figure 4.
Key operated removablehandle
Here the key acts as the handle tooperate the switch. The key can bechosen to be removable in all orselected positions. See Figure 5.
7
Control and InstrumentSwitchesThe following types of controlinstrument switch are available inthe ODS range:
Maintained contact
The maintained contact or stay-putswitch is normally supplied for allinstrument and selector switchapplications. It is available with a45 or 90 degree throw betweenpositions.
Spring return
Most control switches aremanufactured with spring return tothe original neutral position.They are used for circuit breakercontrol and other types ofelectrically controlled apparatuswhere momentary contact isrequired. The ODS spring returnswitch is designed with a 60°operating angle in either directionfrom the neutral position.A maximum of 10 contacts can bemade in either non-neutral position.
Spring return and last positionindicator switch
A mechanical last position indicatorcan be fitted to a spring returnswitch and indicates the last positionto which the switch was operated.See Figure 6.
Figure 6: ODS switch withlast position indicator
Figure 7: ODS auxiliary switch withuniversal drive lever
Spring return and lost motionswitch
This type of switch is divided intotwo parts. The front portion of theswitch contains contacts requiringspring return action and the rearportion accommodating contacts forwhich the lost motion (slip contacts)facility is required.
Using this facility, the relevantcontacts are made in one of the non-neutral positions and remain madein that position until the switch isoperated to the other non-neutralposition. A maximum of 3 contactscan be made in any one non-neutralposition.
Stayput and Spring returnswitch
This switch can have up to threestay-put positions having a 90degree operating angle, with up totwo spring return positions having a45 degree operating angle.Naturally, spring return will only beavailable at the extreme positions towhich the switch will operate, hencethe maximum of two.
Sequence device
This device, used with a springreturn mechanism, prevents twoconsecutive movements in theclockwise position from neutral.
Auxiliary switches
The ODS auxiliary switch isnormally operated by the action ofthe circuit breaker and providesauxiliary contacts for control andindication.A universal drive lever is availablefor use with the ODS auxiliaryswitch. This lever consists of twoside members of aluminium alloyand two clamping plates.See Figure 7.
8
45°
4 Holes Ø 5.5C’sk @ 90° to Ø10.0on 70.0 PCD.
Panel hole for optional lastposition indicator.Ø6.0 C’sk @ 90° incl to Ø8.0.
Escutcheon mountingholes to suit fixing.(Escutcheon holes Ø4.2)
Escutcheon outline
20.6 20.6
70.0
43.0
83.0
35.0
35.0
35.0
Rear view
66.5
50.8
25.4
2 off tapped bushes forM5 x 0.8 thread fixing screws
14.3
A
M4 terminals15.9
3.0 to 6.4
Mounting Panel
19
Datum scribe(up for mounting)
Handle locking groove
Side view
Auxiliary Switch
Dimension A= (No. packs x 12.7 + 14.3mm)
41.3
8
3.0 to 6.4
Mounting Panel
25 AS 12AL 29
AS 51AL 89
69.8
3.0 to 6.4
Mounting Panel
8? 45 extended
37 retracted
Part detailof padlocktype handle
Stayput or spring return non lock switch
Stayput or spring return barrel lock or padlockable switch
Mounting diagram
Outline & MountingDetailsThe detail given below indicates thespace required behind panel tomount switches. Exact details ofswitches will be provided uponacknowledgement of order.
Panel mounting
ODS control instrument switches aremounted by four screws to panels ofa maximum thickness of 6.35mm(0.25) inches. If switches exceed200mm(8 inches) in length, a supportingbracket is advisable. Panel drillingdetails for most switches are asoutlined in Figure 8. Exact detail forthe switch you order will beprovided upon acknowledgement.
Figure 8: Outline and mounting details
All dimensions in mm
If LOST MOTION is required add 54mm to length.If sequence device is required, add 25.4mm to length.For spring return switches of six packs and over, anextra mechanism is required; add 25.4mm to length.
9
Stayput(45° or 90° Operation)
Spring Return(60° Operation)
AAB
C
DE
H
G
F
AAJM
Positions(viewed from front of switch)
Standard SwitchingApplicationsThe following pages detail standardswitching applications.
Contacts are shown in packarrangements, each pack havingtwo contacts.
2 Position ON/OFF
Stayput 45 degree
2 Position changeover
Stayput 45 degree
3 Position changeover withOFF/NEUTRALStayput 45 degree
Stayput 90 degree Stayput 90 degree Stayput 90 degree
Spring return 60 degree Spring return 60 degree Spring return 60 degree
Stayput 90 degree from 45 degree Stayput 90 degree from 45 degree
Positions Pack 1A B A BA
B
Positions Pack 1A B A BA
B
Positions Pack 1H B BA
BHA H A
Positions Pack 1G C CA
CG
A G APositions Pack 1
A C A CA
C
Positions Pack 1A J A JA
J
Positions Pack 1A J A JA
J
Positions Pack 1M J JA
JM
A M A
Positions Pack 1H B H B
H B
Positions Pack 1H B H B
H B
Positions Pack 1A C A CA
C
10
3 Position 3 way no OFF/NEUTRAL
Stayput 45 degree
4 Position 3 way with OFF/NEUTRAL
Stayput 45 degree
Stayput 90 degree Stayput 90 degree
Spring return 60 degree
4 Position 4 way no OFF/NEUTRAL
Stayput 45 degree
Positions Pack 1
Pack 2M J M J
M JA M JA
A A
No contact
AJM
Positions Pack 1
Pack 2G C G C
G CA G CA
A
CGA A
No contact
Positions Pack 1
Pack 2H B H B
H BA H BA
A A
No contact
A BH
A
CG
E
Positions Pack 1
Pack 2
G CA E G CA E
G CA E G CA E
No contact
Positions Pack 1
Pack 2
H BA C H BA C
H BA C H BA C
No contact
ABH
C
5 Position 4 way with OFF/NEUTRAL
Stayput 45 degree
Stayput 90 degree
Positions Pack 1
Pack 2
G AH B C G AH B C
G AH B C G AH B C
ABH
CG
A
CG
E
Positions Pack 1
Pack 2
G CA E G CA E
G CA E G CA E
Positions Pack 1
Pack 2
H BA C H BA C
H BA C H BA C
ABH
C
11
5 Position 5 way no OFF/NEUTRAL
Stayput 45 degree
6 Position 5 way with OFF/NEUTRAL
Stayput 45 degree
6 Position 6 way no OFF/NEUTRAL
Stayput 45 degree
7 Position 6 way with OFF/NEUTRAL
Stayput 45 degree
7 Position 7 way no OFF/NEUTRAL
Stayput 45 degree
BAHGPositions Pack 1
H BA CC G
BAHGPack 2
H BA CC G
BAHGPack 3
H BA CC G
No contact
ABH
CG
AHGFPositions Pack 1
H BA CB G
AHGFPack 2
H BA CB G
AHGFPack 3
H BA CB G
C
C
C
F
F
F
No contact
ABH
CG
F
AHGFPositions Pack 1
H BA CB G
AHGFPack 2
H BA CB G
AHGFPack 3
H BA CB G
C
C
C
F
F
F
ABH
CG
F
HGFEPositions Pack 1
H BA CA G
HGFEPack 2
H BA CA G
HGFEPack 3
H BA CA G
B
B
B
F
F
F
C
C
C
E
E
E
HGFEPack 4
H BA CA GB FC E
No contact
No contact
ABH
CG
EF
HGFEPositions Pack 1
H BA CA G
HGFEPack 2
H BA CA G
HGFEPack 3
H BA CA G
B
B
B
F
F
F
C
C
C
E
E
E
HGFEPack 4
H BA CA GB FC E
No contact
ABH
CG
EF
12
8 Position 7 way with OFF/NEUTRAL
Stayput 45 degree
8 Position 8 way no OFF/NEUTRAL
Stayput 45 degree
3 Position 4 way with single and cumulative
Stayput 45 degree
Stayput 90 degree
Spring return 60 degree
A CB DHGFE
A CB DHGFE
A CB DHGFE
HGFEPositions Pack 1
ABH
CG
A
HGFEPack 2
A
HGFEPack 3
A
B
B
B
C
C
C
HGFEPack 4
A CB DA HB GC F
EF
D
D
D
D E
D
No contact
Positions Pack 1
Pack 2H B H B
H BA H BA
ABH
A A
Positions Pack 1
Pack 2G C G C
G CA G CA
A
CGA A
Positions Pack 1
Pack 2M J M J
M JA M JA
A
JM
A A
A CB DHGFE
A CB DHGFE
A CB DHGFE
HGFEPositions Pack 1
A
HGFEPack 2
A
HGFEPack 3
A
B
B
B
C
C
C
HGFEPack 4
A CB DA HB GC F
D
D
D
D E
ABH
CG
EF D
13
2 Position 6 way changeover with make-before-break contacts
Stayput 90 degree from 45 degree
3 Position changeover with OFF/NEUTRAL and lost motion contacts
Spring return 60 degree
Positions Pack 1
Pack 2H B H B
H B H B
Pack 3H B H B
BH
Positions Pack 1
Pack 2M J M J
M JA M JA
A
JM
A A
Lost motion contacts
14
Technical Data
Maximum operating voltage 660V ac and dc.
Isolation 2kV rms 50/60Hz for 1 minuteacross open contacts.
Test procedure Contacts should be tested at orabove their minimum capacity.Testing at lower values may produceerroneous results.
Mechanical ratings*IEC 60337-1 (1970). 3 million switching cycles.
Up to 2 million complete rotations ofswitch.
* Contact packs only.When spring return fitted,100,000 switching cycles.When stayput fitted, 500,000switching cycles.
Contact materials
Extra light duty Gold plated silverLight duty SilverMedium/heavy duty Silver cadmium oxide
Make and carry ac
Extra light 20A415VLight 30A415VMedium 35A415V
Breaking ac
Up to 500,000 operations at 0.3 pf lag.
Extra light 0.2A 415VLight 20A 415VMedium 30A 415V
IEC 60337-1 (1970) Category AC11 Fault requirements
Make and carry dc
Extra light 20A 415VLight 30A 415VMedium/heavy 35A 415V
Breaking dc All ratings in tables 1, 2 and 3 arefor 25,000 operations.Ratings in table 4 are for 5,000operations (except where stated).
IEC 60337-1 (1970) Category DC11 Fault requirements.
Minimum capacity ac and dc
Extra light <1mA 1VLight 350mA 12VMedium/heavy 1A 20V
15
Number of Breaking capacity – amp dc
Contact duty Voltage contacts in Resistive Inductive time constants(Note 1) series 10ms 20ms 40ms
12 1 2 2 2 2Extra light 30 1 0.8 0.8 0.8 0.8Table 1 125 1 0.4 0.4 0.4 0.4
50 1 20 20 15 - - -2 - - - - - - 20 - - -
Light duty1 2 1.5 1 - - -Table 2
125 2 20 8 6 - - -3 - - - 20 20 - - -
1 20 20 15 650 2 - - - - - - 20 14
3 - - - - - - - - - 20
Medium duty 1 3 2.5 1.5 1Table 3 125 2 20 15 10 5
3 - - - 20 20 10
1 1 0.5 0.3 - - -250 2 5 2 1 0.5
3 20 10 4 1
50 1 30 30 30 30
1 20 10 6 4100 2 30 30 30 25
3 - - - - - - - - - 30
Heavy duty 1 20 10 5 3Table 4 125 2 30 30 30 20
3 - - - - - - - - - 30
1 5 2 1 0.5†250 2 20 20 12 8
3 - - - - - - 20 20
Notes 1. Extra light, light and medium duty are for ac and dc use. †25,000 operations this ratingHeavy duty is for dc use only.
16
Volta
ge/C
urre
nt c
urve
s fo
r ALS
TOM
Ext
ra L
ight
Dut
y, L
ight
Dut
y an
d M
ediu
m D
uty
Con
tact
s
0
0.2
0.4
0.6
0.81
1.2
1.4
1.6
1.82
2.2
2.4
2.6
010
2030
4050
6070
8090
100
110
120
130
140
150
160
170
180
190
200
Volta
ge (V
olts)
Current (Amps)
Low
er li
mit
of u
se fo
r silv
erca
dmiu
m o
xide
con
tact
s.M
EDIU
M D
UTY
Low
er li
mit
of u
se fo
r fin
esi
lver
con
tact
s.LIG
HT
DU
TY
Idea
l low
er li
mit
of u
se fo
rLIG
HT
DU
TY
Idea
l low
er li
mit
of u
sefo
r MED
IUM
DU
TY c
onta
cts
NO
TES:
For l
ow c
urre
nt a
pplic
atio
ns a
nd w
here
the
cont
acts
may
rem
ain
open
or c
lose
d fo
r lon
g pe
riods
the
use
of E
XTRA
LIG
HT
DU
TY(g
old
plat
ed) c
onta
cts
is h
ighl
y re
com
men
ded.
e.g.
on
inte
rtrip
circ
uits,
opt
o in
puts
for ‘
K'-R
elay
s or
Opt
imho
etc
.LIG
HT
DU
TY a
nd M
EDIU
M D
UTY
con
tact
s sh
ould
idea
lly b
e us
edat
or a
bove
twic
e th
e lo
wer
lim
it of
use
whe
re p
ract
ical
ly p
ossi
ble
Upp
er li
mit
of u
se fo
r gol
d pl
ated
silv
er c
onta
cts.
EXTR
A L
IGH
T D
UTY
17
Stay
put
Sprin
g re
turn
Stay
put s
prin
g re
turn
Aux
iliar
y
Switch
posi
tions
Sele
ct re
quire
d sw
itch
posi
tions
by
circ
ling
on a
ppro
pria
te d
iagr
am.
Switch
Ord
erin
g S
hee
tTh
is s
heet
may
be
phot
ocop
ied.
Switch
act
ion
Plea
se s
peci
fy ty
pe o
f sw
itch
actio
n re
quire
d by
tick
ing
appr
opria
te b
ox.
Conta
ct a
rrangem
ent
Plea
se s
peci
fy re
quire
d co
ntac
t arr
ange
men
t usi
ng th
e fo
llow
ing
tabl
e.
Con
tact
Posi
tion
or a
ngle
Con
tact
Lost
Num
ber
duty
mot
ion
?1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Title
eng
ravi
ng
Posi
tion
engr
avin
g:–
Escu
tcheo
n
Supp
ly b
lank
Not
requ
ired
1.
Ente
r req
uire
d po
sitio
ns a
t top
of t
able
(or a
ngle
s fo
r aux
iliar
y sw
itche
s).
2.Fo
r eac
h co
ntac
t sho
w w
hich
pos
ition
sco
ntac
t is
to b
e m
ade.
Ref
er to
exa
mpl
e fo
rgu
idan
ce.
3.En
ter d
uty
for e
ach
cont
act.
ELex
tra li
ght d
uty
(gol
d pl
ated
)L
light
dut
yM
med
ium
dut
yH
heav
y du
ty
4.If
cont
act i
s to
hav
e lo
st m
otio
npl
ease
tick
in fi
nal c
olum
n.
5.If
mor
e th
an 3
0 co
ntac
ts ar
e re
quire
dpl
ease
use
cop
y of
ord
er s
heet
(60
cont
acts
max
imum
).
6.Fo
r ord
erin
g pu
rpos
es e
ach
cont
act i
sde
taile
d in
divi
dual
ly o
n a
sepa
rate
line
of th
e or
derin
g sh
eet.
Whe
n ac
know
ledg
ed,
a w
iring
dia
gram
is p
rovi
ded
deta
iling
the
posi
tion
of e
ach
cont
act w
ithin
the
switc
h.
7.
Stan
dard
col
our s
chem
e fo
r esc
utch
eons
is b
lack
lette
rs o
n w
hite
bac
kgro
und.
For a
ltern
ativ
e co
lour
s re
fer t
o fa
ctor
y.
AB C D
EF
GH
45° S
tayp
uton
ly
A
C
E
G 90° S
tayp
uton
ly
AJ
M
60°
Sprin
gre
turn
onl
y
AB C D
EF
GH
Com
bine
d 90
° sta
yput
and
45°
sprin
g re
turn
only
Sequ
ence
dev
ice
Last
posi
tion
indi
cato
rLo
st m
otio
n
Handle
typ
ePl
ease
spe
cify
requ
ired
hand
le b
y tic
king
app
ropr
iate
box
.
For a
uxili
ary
switc
hes
plea
se s
tate
ang
ular
pos
ition
s at
whi
ch c
onta
cts
are
tom
ake
Spec
ial f
eatu
rePl
ease
spe
cify
requ
ired
spec
ial f
eatu
re b
y tic
king
app
ropr
iate
box
.
AS
BSC
SD
SES
MS
AL
BLC
LD
LEL
ML
No
hand
lePl
ease
sta
te re
quire
d sh
aft e
xten
sion
in m
mKe
y op
erat
edPl
ease
sta
te p
ositi
ons
in w
hich
key
can
be
rem
oved
Key
num
ber
(if k
now
n)
Engr
avin
gon
lock
on k
ey
Uni
vers
al d
river
leve
rFo
r aux
iliar
y sw
itch
only
Plea
se s
tate
requ
ired
shaf
t ext
ensi
on in
mm
(sta
ndar
d sh
ort 1
9mm
, sta
ndar
d lo
ng 4
4mm
).
Lock
ing
Plea
se in
dica
te ty
pe o
f loc
king
by
ticki
ng a
ppro
pria
te b
ox a
nd c
irclin
g po
sitio
ns in
whi
ch s
witc
h is
to b
e lo
cked
.
Padl
ocki
ngpu
ll to
lock
push
to re
leas
e
Barr
el lo
ckKe
y fre
e w
hen
switc
h lo
cked
key
free
at a
ll tim
es
Lock
-in p
ositi
ons
A
B C
D
E
F
G
H
J M
Exam
ple
1
Sprin
g re
turn
sw
itch
with
lost
mot
ion
cont
acts.
Switch Ordering sheetThis sheet is to enable a customer tospecify details of a switch to meethis own specific requirements.
Upon acknowledgement of theorder, the customer will receive fulldetails of the switch to be supplied,showing the exact position of thecontacts in the switch. An examplesheet detailing how contacts are tobe specified is shown below .
18
Contact arrangement
Please specify required contact arrangement using the following table.
Contact Position or angle Contact LostNumber duty motion ?
12345
Contact arrangement
Please specify required contact arrangement using the following table.
Contact Position or angle Contact LostNumber duty motion ?
12345
Contact arrangement
Please specify required contact arrangement using the following table.
Contact Position or angle Contact LostNumber duty motion ?
12345
Example 2 – Auxiliary switch
How to mark angles for auxiliary switch.
Example 3 – 90° Stayput switch
Contacts 1 and 2 are make-before-break.
Contact 3 makes in A and G.
Example 4 – 45° Stayput switch
Contact 1 makes in C,A and G but not in B and H.
19
Conta
ct a
rrangem
ent
Plea
se s
peci
fy re
quire
d co
ntac
t arr
ange
men
t usi
ng th
e fo
llow
ing
tabl
e.
Con
tact
Posi
tion
or a
ngle
Con
tact
Lost
Num
ber
duty
mot
ion
?1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Title
eng
ravi
ng
Posi
tion
engr
avin
g:–
Escu
tcheo
n
Supp
ly b
lank
Not
requ
ired
1.
Ente
r req
uire
d po
sitio
ns a
t top
of t
able
(or a
ngle
s fo
r aux
iliar
y sw
itche
s).
2.Fo
r eac
h co
ntac
t sho
w w
hich
pos
ition
sco
ntac
t is
to b
e m
ade.
Ref
er to
exa
mpl
e fo
rgu
idan
ce.
3.En
ter d
uty
for e
ach
cont
act.
ELex
tra li
ght d
uty
(gol
d pl
ated
)L
light
dut
yM
med
ium
dut
yH
heav
y du
ty
4.If
cont
act i
s to
hav
e lo
st m
otio
npl
ease
tick
in fi
nal c
olum
n.
5.If
mor
e th
an 3
0 co
ntac
ts ar
e re
quire
dpl
ease
use
cop
y of
ord
er s
heet
(60
cont
acts
max
imum
).
6.Fo
r ord
erin
g pu
rpos
es e
ach
cont
act i
sde
taile
d in
divi
dual
ly o
n a
sepa
rate
line
of th
e or
derin
g sh
eet.
Whe
n ac
know
ledg
ed,
a w
iring
dia
gram
is p
rovi
ded
deta
iling
the
posi
tion
of e
ach
cont
act w
ithin
the
switc
h.
7.
Stan
dard
col
our s
chem
e fo
r esc
utch
eons
is b
lack
lette
rs o
n w
hite
bac
kgro
und.
For a
ltern
ativ
e co
lour
s re
fer t
o fa
ctor
y.
Stay
put
Sprin
g re
turn
Stay
put s
prin
g re
turn
Aux
iliar
y
Switch
posi
tions
Sele
ct re
quire
d sw
itch
posi
tions
by
circ
ling
on a
ppro
pria
te d
iagr
am.
Switch
Ord
erin
g S
hee
tTh
is s
heet
may
be
phot
ocop
ied.
Switch
act
ion
Plea
se s
peci
fy ty
pe o
f sw
itch
actio
n re
quire
d by
tick
ing
appr
opria
te b
ox.
AB C D
EF
GH
45° S
tayp
uton
ly
A
C
E
G 90° S
tayp
uton
ly
AJ
M
60°
Sprin
gre
turn
onl
y
AB C D
EF
GH
Com
bine
d 90
° sta
yput
and
45°
sprin
g re
turn
only
Sequ
ence
dev
ice
Last
posi
tion
indi
cato
rLo
st m
otio
n
Handle
typ
ePl
ease
spe
cify
requ
ired
hand
le b
y tic
king
app
ropr
iate
box
.
For a
uxili
ary
switc
hes
plea
se s
tate
ang
ular
pos
ition
s at
whi
ch c
onta
cts
are
tom
ake
Spec
ial f
eatu
rePl
ease
spe
cify
requ
ired
spec
ial f
eatu
re b
y tic
king
app
ropr
iate
box
.
AS
BSC
SD
SES
MS
AL
BLC
LD
LEL
ML
No
hand
lePl
ease
sta
te re
quire
d sh
aft e
xten
sion
in m
mKe
y op
erat
edPl
ease
sta
te p
ositi
ons
in w
hich
key
can
be
rem
oved
Key
num
ber
(if k
now
n)
Engr
avin
gon
lock
on k
ey
Uni
vers
al d
river
leve
rFo
r aux
iliar
y sw
itch
only
Plea
se s
tate
requ
ired
shaf
t ext
ensi
on in
mm
(sta
ndar
d sh
ort 1
9mm
, sta
ndar
d lo
ng 4
4mm
).
Lock
ing
Plea
se in
dica
te ty
pe o
f loc
king
by
ticki
ng a
ppro
pria
te b
ox a
nd c
irclin
g po
sitio
ns in
whi
ch s
witc
h is
to b
e lo
cked
.
Padl
ocki
ngpu
ll to
lock
push
to re
leas
e
Barr
el lo
ckKe
y fre
e w
hen
switc
h lo
cked
key
free
at a
ll tim
es
Lock
-in p
ositi
ons
A
B C
D
E
F
G
H
J M
St Leonards Works, Stafford, ST17 4LX EnglandTel: 44 (0) 1785 223251 Fax: 44 (0) 1785 212232 Email: [email protected] Internet: www.gecalsthomgpc.co.uk
©1998 ALSTOM T&D Protection & Control Ltd
Our policy is one of continuous development. Accordingly the design of our products may change at any time. Whilst every effort is made to produce up to date literature, this brochure shouldonly be regarded as a guide and is intended for information purposes only. Its contents do not constitute an offer for sale or advice on the application of any product referred to in it.
ALSTOM T&D Protection & Control Ltd cannot be held responsible for any reliance on any decisions taken on its contents without specific advice.
Publication I7-001J 119810 CPS Printed in England.
ALSTOM T&D Protection & Control Ltd