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Siemens 3RH2140-1BG40 4 NO Contactor Relay - 125V DC

Siemens 3RH2140-1BG40 4 NO Auxiliary Contactor Relay, 125V DC.

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ManufacturerSiemens

Part number3RH2140-1BG40

Contacts 4 NO

Coil Voltage 125 V DC

Terminal Type Screw

Frame Size S00

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4 Normally Open Contacts 125V DC Coil Voltage Screw Terminal Connections Frame Size S00 Siemens Quality

Product description

The Siemens 3RH2140-1BG40 is a 4-pole auxiliary contactor relay designed for control applications. It features 4 normally open (NO) contacts, a 125 V DC coil voltage, and screw terminals for secure connections. This relay is built on the S00 frame size, offering a compact solution for control panels.

This contactor relay is suitable for a wide range of industrial automation tasks, including motor control, lighting control, and signaling systems. It is commonly used in machine building, building automation, and process control industries where reliable switching is essential.

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Technical specifications

Contacts	4 NO
Coil Voltage	125 V DC
Terminal Type	Screw
Frame Size	S00
Manufacturer	Siemens

Common applications

Control circuits

Motor starters

Lighting control

Automation systems

Panel building

Compatible systems

Siemens Sirius 3RH2 series control modules

Also known as

Siemens 3RH2140-1BG40 relay Siemens auxiliary contactor 3RH2 relay

Replaces / compatible with

This part is a Siemens 3RH2 series contactor relay. It is compatible with various Siemens control systems.

Technical note

Expert tip

Ensure the correct DC voltage supply is used for the 125V DC coil to prevent damage.

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Frequently asked questions

What is the coil voltage for the Siemens 3RH2140-1BG40?

The Siemens 3RH2140-1BG40 contactor relay has a coil voltage of 125 V DC. This voltage is used to energize the coil and activate the relay's contacts.