3RT1056-6AR36

The Siemens SIRIUS 3RT1056-6AR36 is an S6 large contactor. The coil is suitable for 440-480V AC/DC power supply. The AC-3 rated power is 185A, 90kW/400V, and 132kW at 500V. It has 3 poles and 2NO+2NC auxiliary contacts. It is suitable for motor starters in high-voltage control circuits. Kenxin Motor has stock available for purchase.

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Siemens 3RT1056-6AR36 large contactor 440-480V coil product image

Product Positioning

The 3RT1056-6AR36 is a SIRIUS 3RT10 large contactor with an S6 frame and an AC-3 rated capacity of 185A/90kW. Its operating coil covers AC/DC power supplies from 440-480V, making it suitable for high-voltage European standard or industrial control circuits. The 3-pole main contacts, paired with 2NO+2NC auxiliary contacts, can handle the direct starting and interlocking control requirements of large motors.

Core Product Advantages and Features

440-480V AC/DC wide-range coil

A single coil can be used with both AC and DC control power supplies, covering control circuits with higher voltage levels.

AC-3 rated 185A/90kW

Rated current is 185A and output is 90kW at 400V; it can reach 132kW at 500V.

S6 Large Frame

Compliant with IEC 60947-4-1 standard, suitable for direct start applications of large motors.

2NO+2NC auxiliary contacts

Four sets of auxiliary contacts facilitate interlocking, indication, and PLC signal feedback wiring.

Siemens authorized agent supply

Kenxin Motors provides genuine original products and selection consultation services.

project	Specification
brand	Siemens
series	SIRIUS 3RT10
model	3RT1056-6AR36
Frame size	S6
Extreme number	3 poles
AC-3 rated current	185 A (400/500V)
AC-3 rated power	90 kW (400V)/132 kW (500V)/160 kW (690V)
AC-1 rated current	215 A (400V/40°C)
Operating coil voltage	440–480 V AC/DC
Auxiliary contact	2 NO + 2 NC
Reference weight	Approximately 3.36 kg
Reference dimensions	Approximately 172 (height) × 120 (width) × 170 (depth) mm

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