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Siemens 3RH1122-1WB40 Contactor Relay 24V DC, 2 NO + 2 NC

Siemens 3RH1122-1WB40 Contactor Relay for auxiliary circuits.

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ManufacturerSiemens

Part number3RH1122-1WB40

Part Number 3RH1122-1WB40

Manufacturer Siemens

Type Contactor Relay

Voltage 24 V DC

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2 NO + 2 NC contacts 24V DC coil Size S00 Screw terminal Integrated varistor Auxiliary circuit relay

Product description

The Siemens 3RH1122-1WB40 is a 24V DC contactor relay for auxiliary circuits, featuring 2 normally open (NO) and 2 normally closed (NC) contacts. It is designed for size S00 and utilizes screw terminals for connection. This relay operates with a coil voltage of 24V DC and has an integrated varistor for surge suppression, consuming 1.4 W. It falls within the SIRIUS 3RH11 series.

This contactor relay is suitable for various industrial automation applications, including motor control, lighting control, and auxiliary switching functions in control panels. It is commonly found in industries such as manufacturing, building automation, and machine building where reliable switching is essential.

As a veteran-owned surplus parts distributor, Stanlo Automation offers a reliable source for hard-to-find and phased-out industrial components like the Siemens 3RH1122-1WB40. We provide quality products and expert service to keep your operations running smoothly.

Technical specifications

Part Number	3RH1122-1WB40
Manufacturer	Siemens
Type	Contactor Relay
Voltage	24 V DC
Contacts	2 NO + 2 NC
Size	S00
Termination	Screw Terminal
Features	Integrated varistor
Power Consumption	1.4 W

Common applications

Control panels

Motor control

Lighting control

Auxiliary switching

Automation systems

Machine building

Compatible systems

General automation systems Control cabinets Motor starters

Also known as

Siemens 3RH1122-1WB40 SIRIUS 3RH11 Contactor Relay Siemens Auxiliary Relay

Replaces / compatible with

This part is a phased-out product with a successor being the SIRIUS 3RH2 series, specifically the 3RH2122-1SB40.

Technical note

Expert tip

Ensure proper wiring for the 24V DC coil and verify the integrated varistor's suitability for your specific surge protection needs.

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Frequently asked questions

What are the contact configurations and voltage for the Siemens 3RH1122-1WB40?

The Siemens 3RH1122-1WB40 is a contactor relay with 2 normally open (NO) and 2 normally closed (NC) contacts. It is designed for a 24V DC coil voltage.