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Siemens 3RT1055-6AF36 3-Pole Power Contactor - 150A

Siemens 3-pole Power Contactor with 150A rating and 2 NO + 2 NC auxiliary contacts.

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ManufacturerSiemens

Part number3RT1055-6AF36

AC-3e/AC-3 rating 150 A

Rated operational power 75 kW @ 400 V

Coil voltage 110-127 V UC

Poles 3

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High power rating AC-3e/AC-3 duty Conventional drive Screw terminal connections Auxiliary contacts included

Product description

The Siemens 3RT1055-6AF36 is a 3-pole power contactor designed for AC-3e/AC-3 applications, handling up to 150A and 75 kW at 400V AC. It operates with a control voltage of 110-127V UC and features 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts. The main circuit utilizes busbar connections, while the control and auxiliary circuits employ screw terminals for reliable connections.

This contactor is suitable for motor control and power switching applications across various industrial sectors, including manufacturing, material handling, and processing plants. Its robust design ensures reliable operation in demanding environments.

Source your Siemens 3RT1055-6AF36 from Stanlo Automation, a veteran-owned distributor committed to providing quality surplus industrial parts. We ensure competitive pricing and fast shipping to keep your operations running smoothly.

Technical specifications

AC-3e/AC-3 rating	150 A
Rated operational power	75 kW @ 400 V
Coil voltage	110-127 V UC
Poles	3
Auxiliary contacts	2 NO + 2 NC
Main circuit connection	Busbar
Control/auxiliary circuit connection	Screw terminal

Common applications

Motor starting

Power switching

Industrial control panels

Manufacturing automation

Material handling systems

Compatible systems

Compatible with various Siemens control systems and related accessories.

Also known as

Siemens SIRIUS 3RT1055-6AF36 3RT10556AF36 Siemens Contactor 150A

Replaces / compatible with

Replaces older Siemens power contactor models within the same series and specifications. Consult manufacturer documentation for exact cross-references.

Technical note

Expert tip

Ensure proper busbar sizing and torque when installing the main circuit connections for optimal performance and safety.

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Frequently asked questions

What is the coil voltage range for the Siemens 3RT1055-6AF36?

The Siemens 3RT1055-6AF36 power contactor has a UC coil voltage range of 110-127V AC/DC. This flexibility allows it to be integrated into various control systems.