3RT1456-6AB36

The 3RT1456-6AB36 is a Siemens SIRIUS S6 frame large power contactor, 3-pole, AC-1 rated 275A/690V, AC-3 rated 97A, coil voltage 23-26V AC/DC, equipped with 2NO+2NC auxiliary contacts, main circuit busbar connection, suitable for long-term operation of high-current motor control circuits.

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The 3RT1456-6AB36 is a large power contactor with an S6 frame from the Siemens SIRIUS 3RT.4 series, primarily used in high-current motor control and switchboard systems in industrial settings. This model has a coil voltage of 23-26V AC/DC and features 2NO+2NC auxiliary contacts and a surge suppression circuit, balancing switching stability with control circuit protection. Kenxin Motor is an authorized Siemens distributor, providing genuine Siemens products and comprehensive selection consultation services.

Core Product Advantages and Features
S6 Large Frame Design
AC-1 rated 275A (690V/40°C), AC-3 rated 97A, suitable for heavy-duty motor switching applications.
23-26V AC/DC coil
Low-voltage coil specifications, compatible with both AC and DC control power supplies, facilitating circuit integration design.
2NO+2NC auxiliary contacts
It comes standard with 2 sets of normally open and 2 sets of normally closed auxiliary contacts, facilitating interlocking control and status monitoring.
Surge suppression (varistor)
The coil circuit incorporates a surge suppression element to reduce the impact of voltage surges during switching.
Busbar type main circuit terminal
The main circuit adopts a connector design, which is suitable for high-current wiring, with low contact resistance and high stability.
Mechanical lifespan approximately ten million cycles
The mechanical operating life is approximately 10 million cycles, ensuring reliable and durable long-term operation.
project Specification
brand Siemens
series SIRIUS 3RT.4
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)
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
External dimensions 172 (height) × 120 (width) × 170 (depth) mm
Insulation voltage Main circuit 1000V; auxiliary circuit 500V