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Siemens 3RH1122-1BB40 Contactor Relay - 2 NO + 2 NC, 24V DC

Siemens 3RH1122-1BB40 Contactor Relay with 2 NO + 2 NC contacts.

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ManufacturerSiemens

Part number3RH1122-1BB40

Contact Configuration 2 NO + 2 NC

Coil Voltage 24V DC

Terminal Type Screw

Size S00

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Veteran-owned

CAGE: 9NK75

2 Normally Open contacts 2 Normally Closed contacts 24V DC coil voltage Screw terminal connections Size S00 Phased-out product

Product description

The Siemens 3RH1122-1BB40 is a contactor relay from the SIRIUS 3RH11 series, featuring 2 normally open (NO) and 2 normally closed (NC) contacts. It operates at a 24V DC coil voltage and uses screw terminals for connection. This specific model is size S00 and is a phased-out product, with its preferred successor being the 3RH2122-1BB40.

This type of relay is commonly used in control circuits for switching auxiliary contacts and small loads in industrial automation applications, including motor control, lighting control, and general control panel wiring. It is suitable for use across various industries where reliable switching is essential.

Stanlo Automation, a veteran-owned business, offers this phased-out Siemens 3RH1122-1BB40 contactor relay. We specialize in surplus industrial automation parts, providing reliable components for your MRO needs. Trust Stanlo for your legacy and hard-to-find parts.

Technical specifications

Contact Configuration	2 NO + 2 NC
Coil Voltage	24V DC
Terminal Type	Screw
Size	S00
Series	SIRIUS 3RH11

Common applications

Control circuits

Auxiliary switching

Lighting control

Motor control

Automation panels

MRO

Compatible systems

Compatible with Siemens control systems and panels requiring 24V DC auxiliary relays.

Also known as

SIRIUS 3RH1122-1BB40 Siemens Contactor Relay 3RH11

Replaces / compatible with

This is a phased-out product. The preferred successor is the Siemens 3RH2122-1BB40.

Technical note

Expert tip

Note that this is a phased-out part, and while functional, it is recommended to consider the successor 3RH2122-1BB40 for new installations or when full manufacturer support is required.

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Frequently asked questions

What is the successor to the Siemens 3RH1122-1BB40?

The Siemens 3RH1122-1BB40 is a phased-out product. The preferred successor is the Siemens SIRIUS 3RH2122-1BB40, offering similar functionality and integration.