Siemens 3RH1911-1GA40 Auxiliary Switch Block

Siemens 3RH1911-1GA40 Auxiliary Switch Block

Product Description

The Siemens 3RH1911-1GA40 auxiliary switch block is a reliable industrial accessory designed to expand the auxiliary contact functionality of Siemens SIRIUS contactors and auxiliary contactors. It is suitable for signaling, monitoring, and interlocking applications in industrial automation and electrical control systems.

The compact modular design allows easy snap-on installation and efficient integration into industrial control panels and switchgear assemblies. Built for continuous industrial operation, the switch block delivers dependable switching performance and long service life.

Main Features

• Original Siemens SIRIUS auxiliary switch block
• Model: 3RH1911-1GA40
• Additional auxiliary contact functionality
• Compact industrial modular construction
• Reliable switching performance
• Suitable for signaling and control circuits
• Easy snap-on installation
• Compatible with Siemens SIRIUS contactors
• High electrical and mechanical durability
• Industrial-grade design
• Long operational service life

Applications

The Siemens 3RH1911-1GA40 auxiliary switch block is commonly used in industrial automation systems requiring additional auxiliary contacts for monitoring and control purposes.

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

Technical Specifications

• Manufacturer: Siemens
• Series: SIRIUS
• Part Number: 3RH1911-1GA40
• Product Type: Auxiliary switch block
• Application: Auxiliary contact expansion
• Mounting Type: Snap-on mounting
• Compatible Devices: Siemens SIRIUS contactors
• Industrial Grade: Yes
• Compact modular construction
• High operational reliability

Advantages

The Siemens 3RH1911-1GA40 auxiliary switch block offers reliable switching performance, easy installation, and flexible auxiliary contact expansion for industrial automation systems. Its durable construction and compact design make it ideal for control and signaling applications.