3RT1056-6AF36

The Siemens SIRIUS 3RT1056-6AF36 is an S6 large contactor with a coil suitable for 110-127V AC/DC power supply. It has an AC-3 rated capacity of 185A, 90kW/400V, and weighs approximately 3.37 kg. It features 3 poles and 2NO+2NC auxiliary contacts, making it suitable for motor starters with 110V control voltage. Kenxin Motors has stock available for purchase.

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Siemens 3RT1056-6AF36 large contactor 110-127V coil product image

Product Positioning

The 3RT1056-6AF36 is a SIRIUS 3RT10 series S6 frame large contactor. Its operating coil requires a 110-127V AC/DC power supply, suitable for US standard or 110V control voltage equipment. With an AC-3 rated capacity of 185A and an output of 90kW at 400V, its 3-pole main contacts, coupled with 2NO+2NC auxiliary contacts, can meet the starting and interlocking control needs of various large motors.

Core Product Advantages and Features

110-127V AC/DC coil

Motor starting circuits compatible with US standard 110V or existing low-voltage control power supplies

AC-3 rated 185A/90kW

With a rated current of 185A and an output of 90kW at 400V, it is capable of directly starting large motors.

Busbar main circuit terminals

The main terminals are connected via busbars, and the auxiliary circuit uses screw terminals.

2NO+2NC auxiliary contacts

Four sets of auxiliary contacts, rated at 6A under AC-15, 230V, for easy control of feedback.

Siemens authorized agent supply

Kenxin Motors provides genuine original products and complete technical consultation services.

project	Specification
brand	Siemens
series	SIRIUS 3RT10
model	3RT1056-6AF36
Frame size	S6
Extreme number	3 poles
AC-3 rated current	185 A (400V)
AC-3 rated power	90 kW (400V)
Operating coil voltage	110–127 V AC/DC
Auxiliary contact	2 NO + 2 NC
Auxiliary contact rating	AC-15, 230V, 6A
Reference weight	Approximately 3.371 kg
Reference dimensions	Approximately 172 (height) × 120 (width) × 180 (depth) mm

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3RT1056-6AF36-WH

The Siemens SIRIUS 3RT1056-6AF36-WH is an S6 large contactor with the same electrical specifications as the 3RT1056-6AF36. The coil operates at 110-127V AC/DC, with a rated AC-3 rating of 185A, 90kW/400V, and 3 poles with 2NO+2NC auxiliary contacts. The "WH" suffix is not found in the catalog; please contact Kenxin Motor for confirmation.

3RT1056-6AF30

The Siemens SIRIUS 3RT1056-6AF30 is an S6 large contactor. The coil is compatible with 110-127V AC/DC power supplies. It has an AC-3 rated capacity of 185A, 90kW/400V, and features 3 poles and bus terminals. Based on series naming conventions, this is presumably the basic version without built-in auxiliary contacts. Please contact Kenxin Motors for actual configuration confirmation.

3RT1056-6AB36

The Siemens SIRIUS 3RT1056-6AB36 is an S6 large contactor. The coil is suitable for 23-26V AC/DC low-voltage power supply. The AC-3 rated capacity is 185A, 90kW/400V. It has 3 poles and 2NO+2NC auxiliary contacts. It is often used with a motor starter panel with a 24V control power supply. Kenxin Motor has stock available for purchase.