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Siemens 3RT1055-6AR36 3-Pole Power Contactor - 150A, 440-480V Coil

Siemens 3RT1055-6AR36 3-pole power contactor, 150A, with a 440-480V coil.

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ManufacturerSiemens

Part number3RT1055-6AR36

Type Power Contactor

Manufacturer Siemens

Part Number 3RT1055-6AR36

Poles 3

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AC-3e/AC-3 duty 150A current capacity 75kW power rating 440-480V AC/DC coil Conventional drive 2 NO + 2 NC auxiliary contacts Busbar main circuit connection

Product description

The Siemens 3RT1055-6AR36 is a high-performance 3-pole power contactor designed for AC-3e/AC-3 applications, rated at 150A and 75kW at 400V. This model is equipped with a 440-480V AC/DC coil and a conventional drive. It features busbar connections for the main circuit and screw terminals for the control and auxiliary circuits, complete with 2 NO and 2 NC auxiliary contacts.

This contactor is intended for industrial environments requiring higher control voltages, such as those found in specific regions or large-scale machinery. It is widely used for motor control and power switching where reliable operation under demanding conditions is essential.

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Technical specifications

Type	Power Contactor
Manufacturer	Siemens
Part Number	3RT1055-6AR36
Poles	3
AC-3e/AC-3 Rating	150 A
Power Rating (400V)	75 kW
Coil Voltage	440-480V AC/DC
Auxiliary Contacts	2 NO + 2 NC
Drive Type	Conventional
Main Circuit Terminals	Busbar
Control Circuit Terminals	Screw

Common applications

Industrial Motor Control

Heavy Machinery

Power Switching

Automation Systems

Manufacturing

Process Industries

Compatible systems

Integrates with Siemens automation control panels and systems that operate with 440-480V AC/DC control signals.

Also known as

Siemens 480V Contactor SIRIUS 3RT1055 440V Siemens 150 Amp 480V Contactor

Replaces / compatible with

Suitable for replacing Siemens SIRIUS 3RT1055 series contactors or similar units requiring a 440-480V control voltage.

Technical note

Expert tip

Ensure compatibility with your control system's voltage source before connecting the 440-480V AC/DC coil.

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Frequently asked questions

What is the significance of the 440-480V coil on the Siemens 3RT1055-6AR36?

The 440-480V AC/DC coil on the Siemens 3RT1055-6AR36 is designed for industrial control systems that utilize higher control voltages, common in certain regions or for specific large-scale equipment. This ensures reliable activation of the contactor.