Siemens 3RH1131-1BB40 Hilfskontaktor + 3RT1916-1BB00 Varistor1

Siemens 3RH1131-1BB40 Auxiliary Contactor + 3RT1916-1BB00 Varistor1

Product Description

The Siemens 3RH1131-1BB40 auxiliary contactor combined with the 3RT1916-1BB00 varistor is a dependable industrial switching solution designed for automation, signaling, and control applications. This compact assembly belongs to the Siemens SIRIUS product family and offers reliable switching performance together with integrated protection against voltage spikes.

The integrated 3RT1916-1BB00 varistor helps suppress transient overvoltages generated during switching operations, protecting control circuits and connected components from electrical stress. The modular industrial design ensures reliable operation and long service life in demanding industrial environments.

Main Features

• Original Siemens SIRIUS auxiliary contactor assembly
• Model: 3RH1131-1BB40
• Integrated varistor: 3RT1916-1BB00
• Reliable auxiliary switching performance
• Integrated surge suppression protection
• Compact modular industrial construction
• Reduced electromagnetic interference
• Suitable for industrial control circuits
• High electrical and mechanical durability
• Screw terminal connections
• Easy DIN rail and panel mounting
• Long operational lifespan

Applications

The Siemens 3RH1131-1BB40 with 3RT1916-1BB00 varistor is widely used in industrial automation systems where reliable switching and voltage transient protection are required.

• Industrial control cabinets
• Motor control systems
• Automation equipment
• Machine control applications
• Factory automation systems
• Interlocking and signaling circuits
• Switchgear assemblies
• Electrical control systems

Technical Specifications

• Manufacturer: Siemens
• Series: SIRIUS
• Part Number: 3RH1131-1BB40
• Varistor Part Number: 3RT1916-1BB00
• Product Type: Auxiliary contactor with varistor
• Function: Auxiliary switching and surge suppression
• Connection Type: Screw terminals
• Mounting Type: DIN rail / panel mounting
• Industrial Grade: Yes
• Compact modular construction
• Suitable for industrial automation systems

Advantages

The Siemens 3RH1131-1BB40 auxiliary contactor assembly with integrated 3RT1916-1BB00 varistor offers reliable switching performance, improved protection against electrical transients, and easy system integration. Its robust construction and compact design make it ideal for modern industrial automation and control applications.