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Siemens 3RT1075-6AB36 Power Contactor: 400A, 23-26V AC/DC Coil

Siemens 3RT1075-6AB36 3-pole power contactor with 400A rating and 23-26V AC/DC coil.

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ManufacturerSiemens

Part number3RT1075-6AB36

Type Power Contactor

Manufacturer Siemens

Part Number 3RT1075-6AB36

Poles 3

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AC-3e/AC-3 rated up to 400A 200 kW switching capacity at 400V 23-26V AC/DC coil Integrated auxiliary contacts (2 NO + 2 NC) Conventional drive Screw terminals for control circuit

Product description

The Siemens 3RT1075-6AB36 is a powerful 3-pole power contactor built for demanding industrial environments. Rated for AC-3e/AC-3 duty, it handles a continuous current of 400 A and a substantial 200 kW of switching power at 400 V. This model is equipped with a conventional drive and a versatile coil voltage range of 23-26 V AC/DC. It includes 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts. The main circuit connections are via busbar, while the control and auxiliary circuits use screw terminals for straightforward wiring.

This contactor is an excellent choice for controlling large industrial motors, switching heavy loads, and general power management in sectors such as manufacturing, utilities, and material handling. Its high current capacity and robust design ensure reliable performance in continuous operation and under significant electrical stress.

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Technical specifications

Type	Power Contactor
Manufacturer	Siemens
Part Number	3RT1075-6AB36
Poles	3
AC-3e/AC-3 Rating	400 A
Power Rating (400V)	200 kW
Coil Voltage	23-26 V AC/DC
Auxiliary Contacts	2 NO + 2 NC
Main Circuit Terminals	Busbar
Control Circuit Terminals	Screw

Common applications

Large motor control

Heavy industrial machinery

Power distribution

Manufacturing automation

Material handling

Utilities

Industrial plants

Compatible systems

Siemens S7 PLC systems Industrial control panels Motor control centers Automation systems with 24V AC/DC control voltage

Also known as

Siemens 3RT1075-6AB36 Contactor 3RT10 Contactor Siemens 400A Contactor Power Contactor 3RT1075

Replaces / compatible with

This contactor is a direct replacement for the Siemens 3RT1075-6AB36 or similar 3RT1 series contactors. It is compatible with Siemens control accessories.

Technical note

Expert tip

Utilizes busbar connections for the main power circuit, ensuring a secure, high-current path. Verify busbar compatibility and ensure proper connection torque.

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Frequently asked questions

What is the coil voltage type for the Siemens 3RT1075-6AB36 contactor?

The Siemens 3RT1075-6AB36 power contactor operates with a 23-26 V AC/DC coil voltage. This dual voltage capability offers flexibility in system design and compatibility with various control power sources.