Multi-functional Main AC Switch for rolling stockType MACS

C O M P O N E N T S

AC CIRCUIT-BREAKER FOR ROLLING STOCK, TYPE MACS2

GENERAL INFORMATION

APPLICATIONS

MACS is a platform for Main AC Switch installed on electric rail vehicles running on AC networks. The AC vacuum Circuit-Breaker (AC VCB), which is the core function of the assembly, can be combined on the same base plate with other functions, such as Earthing Switch (ES), Surge Arrester (SA), Roof Switch (RS), offering the car builders the most modular platform, particularly well adapted to match their different applications and requirements.

MACS can be mounted either vertically on the vehicle’s roof of EMUs and Trains as well as inside traction container for locomotives. Another option is horizontally inside Sécheron’s high voltage modular compact enclosure, AC MODBOX®, to be installed on the roof- or under the frame of trains.

MACS is a fully electrically operated circuit-breaker, designed to automatically open through spring release in case the low supply voltage is interrupted. This fail-safe concept is a key safety issue for rolling stock circuit-breakers, equipped with electric or electro-pneumatic operation.

MACS platform with its small dimensions and light weight, completed with the compact and modular AC MODBOX®, which integrates MACS in an aluminium housing with other high voltage functions such as current and voltage measurements, disconnect switch, filters, transient inductors, is the perfect solution for your rolling stock material running on 15 kVAC or/and 25 kVAC networks.

• Switching and protection of main and auxiliary electric circuits for locomotives, trains and EMUs running on 15 kVAC or/and 25 kVAC networks.

MAIN FEATURES• Compact multi-functional switch including: AC

circuit-breaker, earthing switch (option) and surge arrester (option) on a single support of 940 mm x 430 mm.

MAIN BENEFITSMAIN BENEFITS Indoor or outdoor installation

Vertical or horizontal mounting

High safety thanks to the automatic opening through spring release in case of interruption of supply voltage (no need of stored auxiliary electrical energy

Compliant to LOC & PAS TSI (Technical specification for interoperability), 1302/2014/EU.

High mecanical durability: > 250'000 operations

Low height: 563 mm (for Uimp = 125 kV) above the roof and 140 mm below the roof

Low weight: < 100 kg for the AC circuit-breaker

/// AC CIRCUIT-BREAKER

• Suitable for 15 kVAC and/or 25 kVAC networks• Conventional free air thermal current: 1000 A• Rated impulse withstand voltage (1.2 / 50 µs): Uimp = 125 kV or 170 kV• External creepage distances > 1000 mm • Vacuum interrupter• Electric operation (closing and holding)• Usable in various ranges of ambient temperature from -40 °C to

+70 °C (-50 °C to +70 °C in option)• Reference standards: IEC60077-1 /-2 /-4, IEC61373, EN50121-3-2,

NF F16-101 /-102

/// EARTHING SWITCH

• Optional integrated earthing switch with manual or electric operation

• Safe manual operation guaranteed by optional interlocking keys

• Ice breaking capability (20 mm ice)

/// SURGE ARRESTER

• Optional integrated surge arrester (to be defined by Sécheron upon customer’s specifications)

AC CIRCUIT-BREAKER FOR ROLLING STOCK, TYPE MACS 3

/// SURGE ARRESTER

MAIN HIGH VOLTAGE CIRCUIT Symbol Unit 15 kV 25 kV

AC circuit-breakerRated operational voltage Ue [VAC] 17’250 (1) 27’500 (1)

Rated insulation voltage Ui [VAC] 27’500 (1) 27’500 (1)

Rated operational current Ie [A] 1’000 1’000

Conventional free air thermal current (2) Ith [A] 1’000 1’000Rated operational frequency f [Hz] 16.7 50, 60Operational category C3 C3Peak short-circuit making current IMC [kA] 63 50Rated short-circuit breaking current / % value of the DC component [kA]/% 25/50 20/50Peak and rated short-time withstand current (1 s) Îcw/Icw [kA]/[kA] 63/25 63/25

Short-time withstand currents 100 ms Icw 40 40

Rated power-frequency withstand voltage (50 Hz, 1 mn) U50 [kVrms] 75 75Rated impulse withstand voltage (1.2/50 µs) Uimp [kV] 125 125/170

(1) For higher values, please contact Sécheron. • (2) At Tamb = +40 °C and tested with high voltage connections according to standard IEC/EN 60943.

Earthing switchPeak and rated short-time withstand current Îcw/Icw/t [kA]/[kA]/[s] 63/25/1 63/25/1

LOW VOLTAGE AUXILIARY CIRCUIT

Control circuit

AC circuit-breakerNominal voltage (power supply and control order) Un [V

dc] 24 to 110

Range of voltage (power supply and control order) [0.7 - 1.25] Un

Maximum power (loading and holding) (3) (4) Pmax [W] ≤ 100Nominal holding power (4) Ph [W] ≤ 35Opening power [W] 0Mechanical opening time (4) To [ms] ≤ 50

Mechanical closing time (4) Tc [ms] ≤ 65

Earthing switch (optional electric operation)Nominal voltage Un [V

dc] 24, 32, 36, 48/50, 72, 110

Operating power (4) [W] 125Commutation time (4) [s] ≤ 3

(3) Loading time < 12 seconds. • (4) At Un and Tamb = + 20 °C.

Auxiliary contacts

Type of contacts (5) Potential free

Rated voltage [VDC] 24 to 110

Conventional thermal current Ith [A] 10

Switching categories according to EN60947 (silver contacts)- AC-15 230 VAC 1.0 A - DC-13 110 VDC 0.5 A

Minimum let-through current at 24 VDC (6) [mA]

≥ 10 (silver contacts) or 4 ≤ I < 10 (gold contacts)

(5) Refer to page 6. • (6) For a dry and clean environment.

Low voltage interfaceType of connection (7)

- AC VCB with or without manual earthing switch 1 Connector: Harting 51 P- AC VCB with electric earthing switch 2 Connectors: Harting 51 P + Harting 24 DD(7) Refer to page 7 for mobile connector information.

Insulation

Rated power-frequency withstand voltage (50 Hz, 1 mn) U50 [kVrms] 1.5

OPERATING CONDITIONSInstallation Indoor or outdoorAltitude [m] < 1400Working ambient temperature Tamb [°C] -40 to +70 / -50 to +70Humidity Class 5K2Pollution degree PD4

Minimum mechanical durability N [Cycles] 250’000

DATA FOR PRODUCT SELECTION

AC CIRCUIT-BREAKER FOR ROLLING STOCK, TYPE MACS4

PRODUCT INTEGRATIONB

15

241

A

388

940

22.5

64101

430

32

385

406 320110 65

420 420

150

105

114

142

330

>43

0

>940

385

420 420

6 x M12

HVHV

HVHV

880

320

Frame level

Roof opening and frame dimensions

Uimp [kV]

125 170

15 kV 25kV 25 kV

A (mm) 563 563 578

B (mm) 280 280 295

Weight (kg) 90 ±3 90 ±3 91 ±3

Dimensions without tolerances are indicative. All dimensions are in mm.

The maximum allowed flatness deviation of the support frame is 0.5 mm.

HV and earth connections: M12 screws

Frame level

Weight:

Refer to the table below

MAIN DIMENSIONS

/// AC CIRCUIT-BREAKER 15 KVAC AND 25 KVAC

Underframe mounting or roof mounting in special high voltage box (Sécheron AC MODBOX®)

/// VERTICAL MOUNTING ON THE ROOF /// HORIZONTAL MOUNTING ON THE ROOF

MOUNTING POSSIBILITIES

AC CIRCUIT-BREAKER FOR ROLLING STOCK, TYPE MACS 5

Dimensions without tolerances are indicative. All dimensions are in mm.

The maximum allowed flatness deviation of the support frame is 0.5 mm.

HV and earth connections: M12 screws

The bellow scheme represents MACS standard configuration (4a+4b – switch PF), with optional additional auxiliary switches (4a+4b – switch PF) and optional manual earthing switch (2a+2b – switch PF).For electric earthing switch, please contact Sécheron.

I J

c16 c10 c17c11

c4 c5 c15c6

C

a10 a15 a6 a17

a9 a14 a5 a16

D

a2a8 a13a4

a1a7 a12a3

A B E

b2 b8 b13 b4

b1 b7 b12 b3

F

b10b15 b6b17

b9b14 b5b16

G H

c14

c1

c2

c7

c8

c3

c9

B +

B -

O +

O -

Ra

Rb

R

MACS

ES

B : Battery power supplyO : Control orderR : Ready switch (MACS ready to close)ES : Earthing switch : Optional auxiliary contacts

ControlUnit

a b c

Legend of the schemes:

a b

a b

Circuit-breaker main contacts

Earthing switch main contacts

Closing coil

Low voltage connector interface (male pin)

1a + 1b - switch PF

Earthing switch manual operation

a b

a b

LOW VOLTAGE WIRING DIAGRAM (HARTING HAN® MODULAR 51-PINS CONNECTOR)

AC CIRCUIT-BREAKER FOR ROLLING STOCK, TYPE MACS6

AC CIRCUIT-BREAKER AND SURGE ARRESTER

SA1

Overhead line 15 or 25 kVac

ACVCB

SA2 ES

For a safe and efficient protection of the vehicle’s high voltage circuits against ligthning and switching overvoltages, Sécheron strongly recommends to use two surge arresters SA1 and SA2 in the high voltage circuit of the vehicle.

In order to protect efficiently the AC circuit-breaker, the distance between each surge arrester and the AC circuit-breaker must not exceed 15 meters.

Should the customer want to integrate one surge arrester to the MACS, he can rely on Sécheron’s specialists to define the appropriate type.

SA1, SA2: surge arrestersAC VCB: AC vacuum circuit-breakerES: earthing switch

Surge arrester connections: M12 screws.The connection between the ac circuit-breaker and the surge arrester is not represented on the drawing but is available in the scope of supply from Sécheron.

Weight and Height of surge arresters depend on selected type

15

HVHV

424

/// AC CIRCUIT-BREAKER AND SURGE ARRESTER CONNECTIONS

Electric version (option) Manual version (standard)

Weight: AC circuit-breaker + 13 kg (manual version) AC circuit-breaker + 20 kg (electric version)

380*

122 47

142

220*150*50* 844

167 14

2

HVHV

HVHV 5

21 (1

25 k

V)

540

(170

kV

)

320

(*) Space needed to remove the cover and to operate the optional earthing switch.

Note : roof opening and frame dimensions for optional configuratopn are the same as for standard configuration.

AC CIRCUIT-BREAKER 15KVAC& 25 KVAC (Uimp=125 KV or 170 KV) AND EARTHING SWITCH

OPTIONS (SUBJECT TO ADDITIONAL COSTS)

15

HVHV

424

AC CIRCUIT-BREAKER FOR ROLLING STOCK, TYPE MACS 7

Auxiliary switches

Mobile connectorsMACS configurations

Type Size2.5 mm²

Size1.5 mm²

Number of pin Cableentry

Cablegland

Secheron'snumber

Fixedconnector

typeNumberDevice (1)

HartingHAN® Modular

51 pins3

3

3

3

3

3

45

37

29

21

21

37

HartingHAN® Modular

51 pinsPF M25AC VCB 4a + 4b

SG325249R00101

SG325249R00201

HartingHAN® Modular

51 pins

HartingHAN® Modular

51 pinsPF M32AC VCB 8a + 8b

SG325249R00302

SG325249R00402

HartingHAN® Modular

51 pins

HartingHAN® Modular

51 pinsPF M25

AC VCB+

ES

AC VCB+

ES

4a + 4b

0a + 0b

4a + 4b

2a + 2b

SG325249R00101

SG325249R00201

HartingHAN® Modular

51 pins

HartingHAN® Modular

51 pinsPF M32

SG325249R00303

SG325249R00403

HartingHAN® Modular

51 pins

HartingHAN® Modular

51 pinsPF M32

AC VCB+

ES

AC VCB+

ES

8a + 8b

0a + 0b

8a + 8b

2a + 2b

ES 2a + 2b

SG325249R00302

SG325249R00402

HartingHAN® Modular

51 pins

HartingHAN® Modular

51 pinsPF M32

SG325249R00304

SG325249R00404

2 12 M25SG325249R00521

Type (2)

HartingHAN® 24 DD

HartingHAN® 24 DD

PF

In this case the customer shall buy a second LV mobile connector for the electric earthing switch, additionally to theLV mobile connector of the AC circuit-breaker (case 1 or 2).

Cas

e 1

Cas

e 2

Cas

e 3

Cas

e 4

Cas

e 5

Cas

e 6

Cas

e 7

AC circuit-breaker without earthing switch

AC circuit-breaker with electric earthing switch

AC circuit-breaker with manual earthing switch

SG325249R00520

(1) AC VCB: AC Vacuum Circuit-Breaker

ES: Earthing Switch.

LV MOBILE CONNECTOR FOR AC CIRCUIT-BREAKER (SEPARATELY ORDERED ITEM)

(2) PF: Potential Free.

Notes: • Harting Han® Modular 51 pins connector is made of 3 Harting HAN® DDD17 modules (each module supplied with 17 pins).• The above references are given for mobile connectors considering that all the auxiliary contacts are wired, with an external wire

diameter of 2.8 mm for a copper section of 2.5mm² and 2.3 mm for a copper section of 1.5 mm². If the conditions are different from these, the above references may change. In such case please inform Sécheron accordingly.

Copyright© 2016 Sécheron SA

This document is not contractual and contains information corresponding to the level of technology at the date of printing. Sécheron reserves the right to modify and/or improve the product, whose characteristics are described in these documents, as required by new technology at any time. It is the purchaser’s responsibility to inform himself, no matter what the circumstances, of the product’s maintenance conditions and requirements. Sécheron reserves all rights, especially those arising from our “General Delivery Conditions”.

SG

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51

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.16Sécheron SA

Rue du Pré-Bouvier 251242 Satigny - GenevaCH-Switzerland

Tel: +41 22 739 41 11Fax: +41 22 739 48 11info@secheron.comwww.secheron.com

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DESIGNATION CODE FOR ORDERING• Be sure to establish the designation code from the latest version of our brochure by downloading it from the website: www.secheron.com• Be careful to write down the complete alphanumerical designation code with 17 characters when placing your order• For technical reasons some variants and options indicated in the designation code might not be combined• For other configurations not described in the brochure, please contact Secheron

The bold characters of the designation code define the device type.

Example of customer’s choice: M 4 A 1 A E A B Z Z 1Line: 10 11 12 13 14 15 16 17 18 19 20

DESIGNATION CODELine Description Designation Standard Options Customer’s

choice

10 Product type MACS M M

11 Nominal voltage 15 kV or 25 kV (Uimp = 125 kV) 4 25 kV (Uimp = 170 kV) 3

12 Mechanical interface Standard base plate / vertical mounting A A

13 Earthing switch No 0 Yes (with manual operation) 1 Yes (with electric operation) 214 Surge arrester No 0 Yes - For surge arrester type and code, please contact Sécheron ...15 Control voltage 24 Vdc A 32 Vdc F 36 Vdc B 48 Vdc / 50 Vdc C 72 Vdc D 110 Vdc E

16 Auxiliary contacts on the AC circuit-breaker 4a + 4b - (switch PF) - silver type A 4a + 4b - (switch PF) - gold type C 8a + 8b - (switch PF) - silver type B 8a + 8b - (switch PF) - gold type D

17 Auxiliary contacts on the earthing switch (No earthing switch) Not applicable Z None (1) 0 2a + 2b - (switch PF) - silver type B 2a + 2b - (switch PF) - gold type C

18 Interlocking keys for earthing switch (Electric operation or no earthing switch) Not applicable Z No key / lock 0 1 blue (master) + 1 yellow (slave) B 1 blue (master) + 2 yellow (slave) C 2 blue (master) + 1 yellow (slave) F 1 yellow (master) + 1 green (slave) H 1 yellow (master) + 2 green (slave) I 2 yellow (master) + 1 green (slave) L Key / locks delivered by customer S19 Key and lock codification for each unit (Electric operation or no earthing switch) Not applicable Z No 0 Yes 120 Ambient temperature range -40 °C to +70 °C 1 -50 °C to +70 °C 2

(1) For manual switch only.

The low voltage connector must be ordered separately (refer to page 7).

- LV mobile connector for the AC circuit-breaker with or without manual earthing switch:

SG325249R00101 SG325249R00201 SG325249R00302 SG325249R00303

SG325249R00304 SG325249R00402 SG325249R00403 SG325249R00404

- Additional LV mobile connector for the electric earthing switch: SG325249R00521 SG325249R00520