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Siemens 3RT1056-6AS36 SIRIUS 185A 3-Pole Power Contactor

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ManufacturerSiemens

Part number3RT1056-6AS36

Part Number 3RT1056-6AS36

Manufacturer Siemens

Series SIRIUS 3RT

Poles 3

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185A AC-3/AC-3e rating 90 kW @ 400V 500-550V AC/DC coil 3-pole configuration 2 NO + 2 NC auxiliary contacts SIRIUS modular system compatibility

Product description

The Siemens 3RT1056-6AS36 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 specific coil voltage range of 500-550V AC/DC, tailored for applications requiring higher control voltages. This contactor is equipped with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts.

This model is ideal for heavy-duty motor control in industrial settings, including manufacturing plants, chemical processing facilities, and large infrastructure projects. Its robust design ensures reliable switching for 3-phase motors and other high-power loads that require precise control in the 500-550V range.

Secure your Siemens 3RT1056-6AS36 from Stanlo Automation. As a veteran-owned distributor of surplus industrial automation parts, we pride ourselves on offering dependable components and exceptional service to keep your operations running smoothly.

Technical specifications

Part Number	3RT1056-6AS36
Manufacturer	Siemens
Series	SIRIUS 3RT
Poles	3
Current Rating	185A (AC-3)
Power Rating	90 kW @ 400V
Coil Voltage	500-550V AC/DC
Auxiliary Contacts	2 NO + 2 NC
Connection	Busbar (main), Screw (control/auxiliary)
Drive Type	Conventional

Common applications

Motor control

Industrial automation

Power distribution

Manufacturing

Processing plants

High voltage control

Compatible systems

Compatible with Siemens overload relays and other SIRIUS components. Suitable for various industrial control panel applications.

Also known as

Siemens SIRIUS Contactor 3RT1056 Contactor 185 Amp Contactor 550V 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

Utilizing busbar connections for the main circuit and screw terminals for control and auxiliary circuits, the 3RT1056-6AS36 ensures robust power distribution and accessible wiring.

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Frequently asked questions

What is the specific coil voltage for the Siemens 3RT1056-6AS36 contactor?

The Siemens 3RT1056-6AS36 power contactor is designed with a specific control coil voltage range of 500-550V AC/DC, ensuring reliable operation for applications requiring this higher voltage.