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Siemens 3RH1131-2BB40 3 NO + 1 NC DC Contactor Relay

Siemens 3RH1131-2BB40 Contactor Relay, 3 NO + 1 NC, 24V DC

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ManufacturerSiemens

Part number3RH1131-2BB40

Contact Configuration 3 NO + 1 NC

Coil Voltage 24V DC

Terminal Type Spring-type

Size S00

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3 NO + 1 NC auxiliary contacts 24V DC coil Spring-type terminals Size S00 SIRIUS 3RH11 series

Product description

The Siemens 3RH1131-2BB40 is a contactor relay from the SIRIUS 3RH11 series, equipped with 3 normally open (NO) and 1 normally closed (NC) auxiliary contacts. It features a 24V DC coil voltage and utilizes spring-type terminals for straightforward and secure wiring. This compact Size S00 relay is engineered for reliable performance in DC control circuits.

This DC contactor relay is commonly used in automation systems, control panels, and applications where a DC control voltage is present, such as in specialized machinery, renewable energy systems, and battery-powered equipment. Its robust design ensures consistent operation.

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Technical specifications

Contact Configuration	3 NO + 1 NC
Coil Voltage	24V DC
Terminal Type	Spring-type
Size	S00
Series	SIRIUS 3RH11

Common applications

DC control circuits

Automation systems

Control panels

Renewable energy

Battery equipment

Specialized machinery

Compatible systems

Suitable for use in DC control systems and automation panels requiring reliable auxiliary switching.

Also known as

Siemens Contactor Relay 3RH1131-2BB40 SIRIUS 3RH11 3RH1131-2BB40 Siemens 24V DC Contactor

Replaces / compatible with

This is a phased-out product. The preferred successor is the Siemens 3RH2131-2BB40.

Technical note

Expert tip

Featuring spring-type terminals, this 24V DC Size S00 relay simplifies wiring and reduces installation time in DC control applications.

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Frequently asked questions

What type of control voltage does the Siemens 3RH1131-2BB40 contactor relay use?

The Siemens 3RH1131-2BB40 contactor relay is designed for DC control circuits and operates with a 24V DC coil voltage. This makes it suitable for applications specifically requiring DC power for control functions.