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Siemens 3RT1456-6AP36 Power Contactor - 275A, 220-240V AC/DC Coil

Siemens 3RT1456-6AP36 3-pole AC-1 power contactor.

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ManufacturerSiemens

Part number3RT1456-6AP36

Type Power Contactor AC-1

Current 275A

Voltage 690V

Coil Voltage 220-240V AC/DC

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275A AC-1 rating 690V voltage 220-240V AC/DC coil 2 NO + 2 NC auxiliary contacts Screw terminals Busbar main circuit

Product description

The Siemens 3RT1456-6AP36 is a heavy-duty 3-pole power contactor rated for AC-1 loads up to 275A at 690V. It features a 220-240V AC/DC coil, conventional auxiliary contacts (2 NO + 2 NC), and screw terminals for both main and auxiliary circuits. The main circuit is designed for busbar connections.

This contactor is engineered for demanding industrial applications, including large motor control, power distribution, and heavy load switching. Its common 220-240V AC/DC coil voltage makes it easily integrable into standard control systems worldwide.

Stanlo Automation, a veteran-owned surplus distributor, specializes in sourcing hard-to-find and obsolete industrial automation parts like the Siemens 3RT1456-6AP36. We provide reliable and cost-effective solutions for your operational needs.

Technical specifications

Type	Power Contactor AC-1
Current	275A
Voltage	690V
Coil Voltage	220-240V AC/DC
Poles	3
Aux Contacts	2 NO + 2 NC
Terminals	Screw
Main Circuit	Busbar

Common applications

Industrial automation

Motor control

Power distribution

Control panels

HVAC systems

Material handling

Compatible systems

Industrial control systems PLC interfaces Power distribution panels

Also known as

Siemens 275A contactor 3RT1456 Series 220-240V AC/DC coil contactor

Replaces / compatible with

Designed for high-power AC-1 applications, this contactor may replace older or less capable contactors in demanding industrial settings.

Technical note

Expert tip

The busbar connection in the main circuit provides a robust and low-impedance path for high current, crucial for AC-1 applications.

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Frequently asked questions

What is the rated current and voltage for the Siemens 3RT1456-6AP36 contactor?

The Siemens 3RT1456-6AP36 is rated for AC-1 loads of 275 Amps at a voltage of up to 690 Volts. It is designed for switching non-inductive loads in heavy-duty industrial applications.