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Siemens 3RH2271-1BB40 Contactor Relay - 24V DC, 7NO+1NC

Siemens 3RH2271-1BB40 DC contactor relay with 7 NO and 1 NC contacts.

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ManufacturerSiemens

Part number3RH2271-1BB40

Contacts 7 NO + 1 NC

Coil Voltage 24 V DC

Frame Size S00

Terminal Type Screw Terminal

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7 NO and 1 NC Contacts 24V DC Coil Screw Terminals Frame Size S00 Captive Auxiliary Switch DC Control

Product description

The Siemens 3RH2271-1BB40 is a DC contactor relay featuring 7 normally open (NO) and 1 normally closed (NC) contacts. It operates on a 24V DC coil voltage, making it suitable for low-voltage DC control applications. This model is equipped with screw terminals for secure and reliable connections and includes a captive auxiliary switch. It is built on the compact frame size S00.

This DC contactor relay is ideal for applications requiring a significant number of normally open circuits in DC control systems. Common uses include industrial automation, renewable energy systems, and control panels for specialized equipment where DC power is the primary source.

Stanlo Automation, your veteran-owned source for surplus industrial automation parts, provides the Siemens 3RH2271-1BB40. We are committed to offering quality components and timely delivery to support your operational continuity.

Technical specifications

Contacts	7 NO + 1 NC
Coil Voltage	24 V DC
Frame Size	S00
Terminal Type	Screw Terminal
Auxiliary Switch	Captive

Common applications

DC Control Systems

Industrial Automation

Renewable Energy

Control Panels

Specialized Equipment

DC Power Applications

Compatible systems

DC control systems Automation panels Industrial machinery

Also known as

Siemens 3RH2271-1BB40 relay 3RH22711BB40 Siemens 24V DC contactor

Technical note

Expert tip

The screw terminals provide a secure and robust connection suitable for high-vibration environments common in industrial DC applications.

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Frequently asked questions

What are the contact specifications and DC voltage for the Siemens 3RH2271-1BB40?

The Siemens 3RH2271-1BB40 contactor relay features 7 normally open (NO) and 1 normally closed (NC) contacts. It is designed for 24V DC coil operation and uses screw terminals for connection.