3RT1456-6AB36-WH

The 3RT1456-6AB36-WH is a Siemens SIRIUS large contactor, S6 frame, 3 poles, AC-1 rated 275A/690V, basic coil 23-26V AC/DC, equipped with 2NO+2NC auxiliary contacts and surge suppression, main circuit busbar connection, mechanical life of approximately ten million cycles, suitable for large motor control and spare parts replacement.

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Siemens SIRIUS 3RT1456-6AB36-WH S6 Large Electric Contactor

Product Positioning

The 3RT1456-6AB36-WH is a specific version of the Siemens SIRIUS 3RT.4 series S6 frame large contactor. Its basic architecture is the same as the 3RT1456-6AB36, featuring a 3-pole, AC-1 rated 275A high-current switching capability. This version is equipped with 2NO+2NC auxiliary contacts and surge suppression design, making it suitable for long-term stable operation of industrial motor control circuits. Kenxin Motor is an authorized Siemens distributor, providing genuine products and technical support services.

Core Product Advantages and Features

S6 Large Frame

AC-1 rated at 275A (690V/40°C), suitable for heavy-load motor switching and high-current power distribution applications.

23-26V AC/DC base coil

It shares the same low-voltage coil specifications as the 3RT1456-6AB36 in the same series and is compatible with AC/DC control power supplies.

2NO+2NC auxiliary contacts

Standard configuration includes 2 sets of normally open and 2 sets of normally closed auxiliary contacts, facilitating interlocking design of the control circuit.

Surge suppression (varistor)

The coil circuit incorporates a surge suppression element to reduce interference to the control circuit during switching.

Busbar type main circuit terminal

The high-current main circuit adopts a connector design, which ensures stable contact and simplifies wiring.

Mechanical lifespan approximately ten million cycles

The mechanical operating life of the same platform is approximately 10 million cycles, ensuring stable and reliable long-term use.

project	Specification
brand	Siemens
series	SIRIUS 3RT.4
model	3RT1456-6AB36-WH
Corresponding basic model	3RT1456-6AB36
Frame size	S6
Extreme number	3 poles
AC-1 rated current	275 A(690V/40°C);250 A(690V/55-60°C)
AC-3 rated current	97 A (400V and 690V)
Basic coil voltage	23-26 V AC/DC (50-60Hz)
Auxiliary contact	2 NO + 2 NC
Main circuit terminals	busbar connection
Control/Auxiliary Circuit Terminals	Screw terminals
Mechanical life	Approximately 10 million operation cycles
Insulation voltage	Main circuit 1000V; auxiliary circuit 500V

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3RT1456-6AB30

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