3RT1056-2AV36

The 3RT1056-2AV36 is a Siemens SIRIUS 3RT10 large contactor with an S6 frame, AC-3 current of 185A, power of 90kW/400V, and coil voltage of 380-420V. It is a wide-range AC/DC contactor, which can reduce the number of models to be stocked and is suitable for switchboards with many high-voltage control circuits.

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Product Positioning

The 3RT1056-2AV36 is a Siemens SIRIUS 3RT10 series S6 frame large contactor, suitable for direct starting applications of large three-phase motors up to 90kW. Its coil voltage is a wide-range AC/DC design of 380-420V, compatible with both AC and DC control power supplies, reducing the complexity of spare parts management. Kenxin Motors provides genuine original parts and selection advice to assist customers in quickly completing equipment upgrades.

Core Product Advantages and Features

S6 Large Frame Design

The AC-3 is rated at 185A and 90kW/400V, and is suitable for direct start control of the main circuit of large three-phase motors.

380-420V wide-range coil

A single coil covers both AC and DC 380-420V control power supplies, simplifying spare parts planning.

2NO+2NC auxiliary contacts

It provides 4 sets of auxiliary contacts, which can be used for status feedback, interlocking or indicator light circuits.

Screw-type terminal design

The main circuit uses bus terminals and the control circuit uses screw terminals, making wiring and installation convenient.

Stable and durable structure

It conforms to the IEC 60947-4-1 standard and has a mechanical life of 10 million operating cycles.

Original manufacturer authorized distributor warranty

Kenxin Motors provides genuine Siemens products, with warranty and technical consultation services.

project	Specification
brand	Siemens
series	SIRIUS 3RT10
model	3RT1056-2AV36
Frame size	S6
Extreme number	3P (3 normally open main contacts)
AC-3 Rated Current/Power	185 A / 90 kW, 400V AC
auxiliary contacts	2 NO + 2 NC
Coil (operating) voltage	380-420V AC/DC Universal Type
Pressure rating	Rated insulation voltage 600V
External dimensions (height × width × depth)	172 × 120 × 170 mm
net weight	Approximately 3.6 kg
Main circuit wiring method	Busbar (copper busbar) terminals
Auxiliary/control circuit wiring	Screw terminals
Applicable Standards	IEC 60947-4-1

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