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Siemens 3RT1056-6AF36 Contactor - 185A, 90kW, 110-127V Coil

Siemens 3RT1056-6AF36 3-pole power contactor.

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ManufacturerSiemens

Part number3RT1056-6AF36

AC-3e/AC-3 rating 185 A

Power 90 kW @ 400 V AC

Coil Voltage 110-127 V AC/DC

Poles 3

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185A switching capacity 90kW power rating Wide 110-127V AC/DC coil Screw terminals for control Busbar connection for main circuit 2 NO + 2 NC auxiliary contacts

Product description

The Siemens 3RT1056-6AF36 is a 3-pole power contactor designed for AC-3e/AC-3 applications, rated at 185A and 90kW at 400V AC. This model features a conventional drive with a wide coil voltage range of 110-127V AC/DC. It includes 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts. The main circuit connections are made via busbars, and the control and auxiliary circuits utilize screw terminals for easy and secure wiring.

This contactor is suitable for a broad range of industrial applications, including motor control, power switching in distribution systems, and automation tasks in manufacturing, processing plants, and building services.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RT1056-6AF36. We provide reliable access to quality surplus industrial components, ensuring you can source necessary parts quickly and efficiently to minimize your operational downtime.

Technical specifications

AC-3e/AC-3 rating	185 A
Power	90 kW @ 400 V AC
Coil Voltage	110-127 V AC/DC
Poles	3
Auxiliary Contacts	2 NO + 2 NC
Main Circuit Terminals	Busbar
Control Circuit Terminals	Screw terminal
Drive Type	Conventional

Common applications

Motor control applications

Industrial power switching

Control panels

Machine automation

Power distribution

HVAC systems

Compatible systems

Industrial control panels Motor control centers Automation systems with 110-127V AC/DC control voltage

Also known as

Siemens SIRIUS 3RT1056-6AF36 3RT1056-6AF36 Contactor Siemens 110-127V AC/DC contactor

Replaces / compatible with

This part is a specific variant of the Siemens 3RT1056 series. Verify coil voltage and terminal type match your existing setup for seamless replacement.

Technical note

Expert tip

The busbar connections require appropriate sized lugs to ensure a secure and low-resistance connection for the 185A current rating.

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Frequently asked questions

What is the coil voltage for the Siemens 3RT1056-6AF36 contactor?

The Siemens 3RT1056-6AF36 features a conventional drive with a coil voltage range of 110-127V AC/DC. This versatility allows it to be used in systems with either AC or DC control power within this range.