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Siemens 3RT1056-6AR36 SIRIUS 185A 3-Pole Power Contactor

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ManufacturerSiemens

Part number3RT1056-6AR36

Part Number 3RT1056-6AR36

Manufacturer Siemens

Series SIRIUS 3RT

Poles 3

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185A AC-3/AC-3e rating 90 kW @ 400V 440-480V AC/DC coil 3-pole configuration 2 NO + 2 NC auxiliary contacts SIRIUS modular system compatibility

Product description

The Siemens 3RT1056-6AR36 is a 3-pole SIRIUS power contactor designed for AC-3e/AC-3 applications, rated at 185A and 90kW at 400V. It features a conventional drive with a wide coil voltage range of 440-480V AC/DC, making it suitable for various industrial power systems. This contactor is equipped with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts for control circuit flexibility.

This contactor is ideal for switching industrial motors, pump control systems, fan systems, and general power distribution in industrial automation panels. Its robust construction and reliable performance ensure efficient operation in demanding environments across various industries, including manufacturing, processing, and utilities.

Source your Siemens 3RT1056-6AR36 from Stanlo Automation, a veteran-owned business committed to providing high-quality industrial automation surplus parts. We offer competitive pricing, fast shipping, and dedicated customer support to ensure your operational uptime.

Technical specifications

Part Number	3RT1056-6AR36
Manufacturer	Siemens
Series	SIRIUS 3RT
Poles	3
Current Rating	185A (AC-3)
Power Rating	90 kW @ 400V
Coil Voltage	440-480V AC/DC
Auxiliary Contacts	2 NO + 2 NC
Connection	Busbar (main), Screw (control/auxiliary)
Drive Type	Conventional

Common applications

Motor control

Pump control

Fan systems

Industrial automation

Manufacturing

Power distribution

Compatible systems

Compatible with Siemens overload relays and other SIRIUS components. Used in various industrial control panels and motor starter assemblies.

Also known as

Siemens SIRIUS Contactor 3RT1056 Contactor 185 Amp Contactor 440V Contactor

Replaces / compatible with

This contactor is part of the Siemens SIRIUS 3RT series and is designed to replace or be interchangeable with other contactors within this series that share similar specifications.

Technical note

Expert tip

The 3RT1056-6AR36 utilizes busbar connections for the main circuit, ensuring secure and high-capacity power distribution, while screw terminals are used for control and auxiliary circuits, facilitating straightforward wiring.

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Frequently asked questions

What is the coil voltage range for the Siemens 3RT1056-6AR36 contactor?

The Siemens 3RT1056-6AR36 power contactor features a wide coil voltage range of 440-480V AC/DC. This allows for flexible integration into various power supply systems.