3RT1056-6AV36

The Siemens SIRIUS 3RT1056-6AV36 is an S6 large contactor with a coil suitable for 380-420V AC/DC power supply. It has an AC-3 rated capacity of 185A and 90kW/400V, 3 poles, and 2NO+2NC auxiliary contacts. It is suitable for motor starter panels with existing high-voltage control power supplies. Kenxin Motor has stock available for purchase.

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Siemens 3RT1056-6AV36 large contactor 380-420V coil product image

Product Positioning

The 3RT1056-6AV36 belongs to the SIRIUS 3RT10 large contactor family. It features an S6 frame, AC-3 rated capacity of 185A/90kW, and an operating coil covering 380-420V AC/DC power supplies. One coil can accommodate various European standard control voltages. It is suitable for upgrading motor control panels, replacing coil specifications, or integrating equipment across voltage platforms.

Core Product Advantages and Features

S6 frame, 185A high current rating

The AC-3 is rated at 185A and outputs 90kW at 400V, capable of handling direct-start loads of large motors.

380-420V AC/DC wide-range coil

A single coil covers both AC and DC control power supplies, reducing selection difficulties caused by voltage incompatibility.

3-pole main contacts

The three sets of main contacts correspond to a three-phase motor circuit and comply with the IEC 60947-4-1 contactor standard.

2NO+2NC auxiliary contacts

Built-in 4 sets of auxiliary contacts for easy wiring of interlocking, indicator lights or PLC status feedback

Siemens authorized agent supply

Kenxin Motors provides genuine original products and model selection advice, and guarantees after-sales consultation.

project	Specification
brand	Siemens
series	SIRIUS 3RT10
model	3RT1056-6AV36
Frame size	S6
Extreme number	3 poles
AC-3 rated current	185 A (400V)
AC-3 rated power	90 kW (400V)
Operating coil voltage	380–420 V AC/DC
Auxiliary contact	2 NO + 2 NC
Reference dimensions	Approximately 172 (height) × 120 (width) × 170 (depth) mm
Applicable Standards	IEC 60947-4-1

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