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Siemens 3RH1131-1HB40 Contactor Relay 24V DC, 3 NO + 1 NC

Siemens 3RH1131-1HB40 Contactor Relay with 3 NO + 1 NC contacts.

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ManufacturerSiemens

Part number3RH1131-1HB40

Part Number 3RH1131-1HB40

Manufacturer Siemens

Type Contactor Relay

Voltage 24 V DC

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3 NO + 1 NC contacts 24V DC coil Size S00 Screw terminal No attenuation Auxiliary control

Product description

The Siemens 3RH1131-1HB40 is a 24V DC contactor relay for auxiliary circuits, featuring 3 normally open (NO) and 1 normally closed (NC) contacts. It is designed for size S00 and uses screw terminals for connection. This relay is specified as operating without attenuation and is part of the SIRIUS 3RH11 series.

This contactor relay is ideal for control tasks requiring a specific configuration of normally open and normally closed contacts, such as in motor control circuits or automation sequencing. The screw terminals provide a reliable connection method for fixed installations.

Stanlo Automation, a veteran-owned surplus parts distributor, is your go-to source for industrial automation components like the Siemens 3RH1131-1HB40. We ensure availability of critical and often hard-to-find parts.

Technical specifications

Part Number	3RH1131-1HB40
Manufacturer	Siemens
Type	Contactor Relay
Voltage	24 V DC
Contacts	3 NO + 1 NC
Size	S00
Termination	Screw Terminal
Features	Without attenuation

Common applications

Motor control

Automation sequencing

Control panels

Industrial control

Auxiliary functions

Switching applications

Compatible systems

Control systems Automation equipment Machine interfaces

Also known as

Siemens 3RH1131-1HB40 SIRIUS 3RH11 24V DC Relay Siemens 3 NO 1 NC Contactor Relay

Replaces / compatible with

This part is a phased-out product with a successor being the SIRIUS 3RH2 series, specifically the 3RH2131-1HB40.

Technical note

Expert tip

The absence of attenuation components means this relay is suitable for applications where no specific noise suppression is required, potentially offering faster response times.

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Frequently asked questions

What is the primary function of the Siemens 3RH1131-1HB40?

The Siemens 3RH1131-1HB40 is a 24V DC contactor relay with 3 normally open (NO) and 1 normally closed (NC) contacts, used for auxiliary control functions in industrial automation.