Siemens 3RH1911-1GA04 Auxiliary Switch Block

Siemens 3RH1911-1GA04 Auxiliary Switch Block

Product Description

The Siemens 3RH1911-1GA04 auxiliary switch block is a reliable accessory designed for Siemens SIRIUS contactors and auxiliary contactors. This switch block extends the contact configuration of compatible switching devices and provides additional auxiliary contacts for signaling, interlocking, and monitoring functions in industrial automation systems.

Its compact modular construction allows fast installation and secure integration into control panels and automation equipment. The durable industrial design ensures reliable operation and long service life in demanding industrial environments.

Main Features

• Original Siemens SIRIUS auxiliary switch block
• Model: 3RH1911-1GA04
• Designed for Siemens contactors and auxiliary contactors
• Additional auxiliary contact functionality
• Compact modular design
• Reliable switching performance
• Suitable for signaling and interlocking circuits
• Easy snap-on installation
• High electrical and mechanical durability
• Industrial-grade construction
• Long operational service life

Applications

The Siemens 3RH1911-1GA04 auxiliary switch block is commonly used in industrial automation and electrical control systems where additional auxiliary contacts are required.

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

Technical Specifications

• Manufacturer: Siemens
• Series: SIRIUS
• Part Number: 3RH1911-1GA04
• 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 3RH1911-1GA04 auxiliary switch block provides flexible auxiliary contact expansion, reliable switching performance, and easy integration into industrial control systems. Its durable design and compact construction make it ideal for automation and control applications.