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Siemens 3RH1271-1BB40 Contactor Relay - 7 NO + 1 NC, 24V DC

Siemens 3RH1271-1BB40 Contactor Relay, 7 NO + 1 NC, 24V DC

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ManufacturerSiemens

Part number3RH1271-1BB40

Contacts 7 NO + 1 NC

Coil Voltage 24V DC

Size S00

Terminal Type Screw

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7 Normally Open Contacts 1 Normally Closed Contact 24V DC Coil Size S00 Screw Terminal Connections

Product description

The Siemens 3RH1271-1BB40 is a contactor relay from the SIRIUS 3RH12 series, featuring a substantial 7 normally open (NO) and 1 normally closed (NC) contact configuration. It operates with a 24V DC coil and is designed for Size S00 with screw terminals. This is a phased-out product, and the SIRIUS 3RH2 series is its successor.

This relay is suited for complex control applications requiring multiple auxiliary contacts for signaling, interlocking, or monitoring purposes within industrial automation systems. Its high NO contact count makes it ideal for scenarios demanding extensive control logic or diverse feedback signals from a single device.

Stanlo Automation, a veteran-owned surplus distributor, offers the Siemens 3RH1271-1BB40. We provide access to reliable industrial automation components, helping you maintain and upgrade your systems. Rely on Stanlo for quality surplus parts and exceptional customer service.

Technical specifications

Contacts	7 NO + 1 NC
Coil Voltage	24V DC
Size	S00
Terminal Type	Screw
Series	SIRIUS 3RH12
Status	Phased-out

Common applications

Complex Control Logic

Automation Systems

Industrial Machinery

Monitoring Circuits

Status Signaling

Compatible systems

SIRIUS 3RH12 series components Auxiliary and motor contactors

Also known as

Siemens 3RH1271-1BB40 relay 3RH12711BB40 Siemens multi-contact relay

Replaces / compatible with

The Siemens 3RH1271-1BB40 is a phased-out contactor relay. Its preferred successor is the Siemens SIRIUS 3RH2271-1BB40.

Technical note

Expert tip

This 3RH1271-1BB40 from the SIRIUS 3RH12 series is a phased-out product, designed with 7 NO and 1 NC contacts for advanced control needs, and its successor is the 3RH2271-1BB40.

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Frequently asked questions

What is the contact arrangement for the Siemens 3RH1271-1BB40?

The Siemens 3RH1271-1BB40 contactor relay is configured with 7 normally open (NO) and 1 normally closed (NC) contacts. This provides a comprehensive set of contacts for intricate control and signaling tasks.