Siemens 3RH1131-1BB40 Auxiliary Contactor + 3RH1911-1FA22 Auxiliary Switch

Siemens 3RH1131-1BB40 Auxiliary Contactor + 3RH1911-1FA22 Auxiliary Switch

Product Description

The Siemens 3RH1131-1BB40 auxiliary contactor combined with the 3RH1911-1FA22 auxiliary switch is a reliable and compact industrial control component designed for switching, control, and signaling applications in automation systems. As part of the Siemens SIRIUS product range, this auxiliary contactor assembly offers dependable performance and long operational life in demanding industrial environments.

The integrated 3RH1911-1FA22 auxiliary switch expands the contact configuration and provides additional flexibility for interlocking, monitoring, and control circuit applications. The robust construction and compact modular design make this unit suitable for installation in industrial control cabinets and motor control systems.

Main Features

• Original Siemens SIRIUS auxiliary contactor assembly
• Model: 3RH1131-1BB40
• Integrated auxiliary switch: 3RH1911-1FA22
• Compact industrial modular design
• Reliable switching performance
• Suitable for control and signaling circuits
• Extended auxiliary contact functionality
• High electrical and mechanical durability
• Easy DIN rail and panel mounting
• Screw terminal connections
• Designed for industrial automation systems

Applications

The Siemens 3RH1131-1BB40 with 3RH1911-1FA22 auxiliary switch is widely used in industrial automation and electrical control systems where reliable auxiliary switching and monitoring functions are required.

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

Technical Specifications

• Manufacturer: Siemens
• Series: SIRIUS
• Part Number: 3RH1131-1BB40
• Auxiliary Switch Part Number: 3RH1911-1FA22
• Product Type: Auxiliary contactor with auxiliary switch
• Connection Type: Screw terminals
• Mounting Type: DIN rail / panel mounting
• Application: Industrial control and auxiliary switching
• Industrial Grade: Yes
• Compact modular construction
• High operational reliability

Advantages

The Siemens 3RH1131-1BB40 auxiliary contactor assembly provides reliable switching performance, flexible auxiliary contact expansion, and easy integration into industrial control systems. Its durable construction and compact design make it an excellent solution for modern automation, signaling, and motor control applications.