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Siemens 3RT1456-6AF36 Power Contactor - 275A, 110-127V AC/DC Coil

Siemens 3RT1456-6AF36 3-pole AC-1 power contactor.

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ManufacturerSiemens

Part number3RT1456-6AF36

Type Power Contactor AC-1

Current 275A

Voltage 690V

Coil Voltage 110-127V AC/DC

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12-month warranty

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275A AC-1 rating 690V voltage 110-127V AC/DC coil 2 NO + 2 NC auxiliary contacts Screw terminals Busbar main circuit

Product description

The Siemens 3RT1456-6AF36 is a high-capacity 3-pole power contactor for AC-1 loads up to 275A at 690V. It is equipped with a 110-127V AC/DC coil, conventional auxiliary contacts (2 NO + 2 NC), and screw terminals for reliable connections. The main circuit is designed for busbar mounting.

This contactor is well-suited for heavy-duty industrial applications such as motor control, main power switching, and control panels where high current and reliable switching are critical. The wide AC/DC coil voltage makes it adaptable to various control power sources.

Stanlo Automation, a veteran-owned surplus industrial parts distributor, offers specialized components like the Siemens 3RT1456-6AF36. We ensure availability of essential parts for your automation needs.

Technical specifications

Type	Power Contactor AC-1
Current	275A
Voltage	690V
Coil Voltage	110-127V 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 110-127V 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 on the main circuit ensures a secure and efficient power path for high-current AC-1 loads.

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Frequently asked questions

Can the Siemens 3RT1456-6AF36 contactor be used with both AC and DC control power?

Yes, the Siemens 3RT1456-6AF36 contactor is designed with a coil that accepts both AC and DC voltage within the 110-127V range. This provides flexibility in its application within different control system architectures.