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Siemens 3RH2131-2FB40 3 NO + 1 NC Contactor Relay - 24V DC

Siemens 3RH2131-2FB40 Contactor Relay with 3 NO + 1 NC contacts.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

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ManufacturerSiemens

Part number3RH2131-2FB40

Type Contactor Relay

Contacts 3 NO + 1 NC

Coil Voltage 24V DC

Terminals Spring-loaded

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12-month warranty

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Veteran-owned

CAGE: 9NK75

3 NO + 1 NC contacts 24V DC coil Integrated diode for surge suppression Spring-loaded terminals Frame size S00

Product description

The Siemens 3RH2131-2FB40 is a 3 NO + 1 NC contactor relay designed for demanding industrial applications. It operates on a 24V DC coil voltage and features an integrated diode for surge suppression. This model utilizes spring-loaded terminals for secure and reliable connections and comes in frame size S00.

This contactor relay is ideal for control circuits, interlocking functions, and auxiliary contacts in motor control, automation systems, and building management. Its robust construction ensures dependable operation in various industrial environments.

Stanlo Automation, a veteran-owned business, offers this Siemens 3RH2131-2FB40 and a wide range of other industrial automation components. We provide reliable sourcing for surplus parts, ensuring you get the quality components you need to keep your operations running smoothly.

Technical specifications

Type	Contactor Relay
Contacts	3 NO + 1 NC
Coil Voltage	24V DC
Terminals	Spring-loaded
Frame Size	S00
Features	Integrated Diode

Common applications

Motor control

Automation systems

Control circuits

Interlocking

Building management

Compatible systems

PLC outputs Control systems

Also known as

Siemens 3RH2131-2FB40 SIRIUS Contactor Relay

Replaces / compatible with

Compatible with Siemens 3RH21 series auxiliary contact blocks and accessories.

Technical note

Expert tip

The spring-loaded terminals on the 3RH2131-2FB40 offer vibration resistance and reliable connection without the need for re-tightening.

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Frequently asked questions

What is the function of the integrated diode in the Siemens 3RH2131-2FB40?

The integrated diode in the Siemens 3RH2131-2FB40 acts as a suppressor, protecting downstream electronic components from voltage spikes that can occur when the coil is de-energized. This enhances system reliability and component longevity.