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Siemens 3RH2131-1BW40 3-Pole Contactor Relay - 48V DC

Siemens 3RH2131-1BW40 3-pole auxiliary contactor relay with 3 NO, 1 NC contacts.

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ManufacturerSiemens

Part number3RH2131-1BW40

Coil Voltage 48 V DC

Contacts 3 NO + 1 NC

Terminal Type Screw

Frame Size S00

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3 NO and 1 NC auxiliary contacts 48V DC coil Screw terminal connections Frame size S00 Reliable control switching

Product description

The Siemens 3RH2131-1BW40 is a 3-pole auxiliary contactor relay featuring 3 normally open (NO) and 1 normally closed (NC) contacts. It is designed for 48V DC control circuits and utilizes screw terminals for reliable connections. This unit is built with the compact S00 frame size.

This relay is suitable for various control applications in industrial automation, including switching auxiliary circuits in motor control, managing signaling functions in control panels, and supporting automation processes in manufacturing and processing industries.

Stanlo Automation, a veteran-owned distributor, stocks the Siemens 3RH2131-1BW40. We provide surplus industrial automation parts, ensuring you get quality components at competitive prices to minimize downtime.

Technical specifications

Coil Voltage	48 V DC
Contacts	3 NO + 1 NC
Terminal Type	Screw
Frame Size	S00
Series	3RH21

Common applications

Motor control

Automation systems

Control panels

Industrial machinery

Low voltage control

Process control

Compatible systems

Control systems requiring 48V DC auxiliary contacts

Also known as

Siemens 3RH21311BW40 3RH2131-1BW40 Contactor Siemens DC Control Relay

Replaces / compatible with

This part is a Siemens 3RH21 series contactor relay. It is compatible with Siemens 3RH21 accessories.

Technical note

Expert tip

Ensure your control system is designed for 48V DC operation when implementing this Siemens contactor relay.

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Frequently asked questions

Can the Siemens 3RH2131-1BW40 be used in AC control circuits?

No, the Siemens 3RH2131-1BW40 is specifically designed for 48V DC control circuits. Using it in AC circuits or with incorrect DC voltage can lead to failure.