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Catalog LV1 T 2009 Chapter 3 EN

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Circuit diagrams for 3RA13 reversing contactor assemblies<br />

Controls — Contactors and Contactor Assemblies<br />

Project planning aids<br />

Size S00<br />

Main circuit Control circuit<br />

(The terminal designations for the contactors comply with <strong>EN</strong> 50012)<br />

For momentary-contact operation For maintained-contact operation<br />

L1<br />

L2<br />

L3<br />

K1<br />

F1<br />

F2<br />

U V W<br />

M<br />

3~<br />

K2<br />

NSB00634<br />

The 3RA19 13-2A assembly kit contains, among other<br />

things, wiring connectors for connecting the main<br />

circuit.<br />

The 3RA19 13-2A assembly kit contains, among other things,<br />

the electrical interlock.<br />

Sizes S0 to S3<br />

Main circuit Control circuit<br />

(The terminal designations for the contactors comply with <strong>EN</strong> 50005)<br />

For momentary-contact operation For maintained-contact operation<br />

L1<br />

L2<br />

L3<br />

K1<br />

F1<br />

F2<br />

U V W<br />

M<br />

3~<br />

K2<br />

NSB00634<br />

The 3RA19 .3-2A assembly kits contain,<br />

among other things, the wiring modules<br />

on the top and bottom for connecting the<br />

main current paths.<br />

L1/L+<br />

F3<br />

F2<br />

Position of the terminals for 3RA13 reversing contactor assemblies<br />

Size S0 to S3<br />

Terminal designations according to <strong>EN</strong> 50005<br />

3RA19 24-2B mechanical interlock (laterally mountable),<br />

integrated in reversing contactor assemblies (reversing starters),<br />

contains one NC contact for the electrical interlock for each contactor<br />

2 NC<br />

111<br />

112<br />

121<br />

122<br />

NSB00640<br />

1 3<br />

K1<br />

2 4 6<br />

S0<br />

95<br />

96<br />

S2 S1<br />

S1 K1<br />

53<br />

S2<br />

54<br />

K2<br />

53<br />

54<br />

22<br />

22<br />

K2 K1<br />

21<br />

21<br />

A1<br />

A1<br />

K1<br />

K2<br />

N/L A2<br />

A2 NSB0_00635a<br />

L1/L+<br />

F3<br />

F2<br />

S0<br />

5 1 3<br />

K2<br />

K1<br />

111<br />

112<br />

121<br />

122<br />

95<br />

96<br />

S2 S1<br />

S1 K1<br />

.3<br />

S2<br />

.4<br />

K2 112 K1<br />

K2<br />

121<br />

111<br />

122<br />

A1<br />

A1<br />

K1<br />

K2<br />

N/L A2<br />

A2 NSB00638<br />

.3<br />

.4<br />

L1/L+<br />

The 3RA19 24-2B mechanical interlock contains one NC contact<br />

for each contactor for the NC contact interlock.<br />

K2<br />

2 4 6<br />

© Siemens AG <strong>2009</strong><br />

5<br />

NSB00641<br />

S<br />

102<br />

F2<br />

F3<br />

96<br />

95<br />

22 22<br />

K2 K1<br />

21 21<br />

A1 A1<br />

K1 K2<br />

N/L A2 A2 NSB0_00636a<br />

L1/L+<br />

S<br />

102<br />

F2<br />

F3<br />

96<br />

95<br />

NSB00639<br />

K2<br />

112 121<br />

K1<br />

111 122<br />

A1 A1<br />

K1 K2<br />

N/L A2 A2<br />

S0 Button "OFF"<br />

S1 Button "Clockwise ON"<br />

S2 Button "Counterclockwise ON"<br />

S Button "CW-OFF-CCW"<br />

K1 Clockwise contactor<br />

K2 Counterclockwise contactor<br />

F1 Fuses for main circuit<br />

F3 Fuses for control circuit<br />

F2 Overload relays<br />

Siemens LV 1 T · <strong>2009</strong><br />

3/237<br />

3

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