Siemens 3RH1911-1HA01 Auxiliary Switch Block

Siemens 3RH1911-1HA01 Auxiliary Switch Block

Product Description

The Siemens 3RH1911-1HA01 auxiliary switch block is a durable industrial accessory designed for Siemens SIRIUS contactors and auxiliary contactors. It provides additional auxiliary contacts for monitoring, signaling, and interlocking applications in industrial automation and electrical control systems.

With its compact modular construction and simple snap-on mounting system, the switch block enables fast installation and reliable integration into control cabinets and automation equipment. Its industrial-grade design ensures dependable operation and long service life.

Main Features

• Original Siemens SIRIUS auxiliary switch block
• Model: 3RH1911-1HA01
• Additional auxiliary contact functionality
• Compact modular industrial design
• Reliable switching performance
• Suitable for signaling and monitoring circuits
• Easy snap-on installation
• Compatible with Siemens SIRIUS contactors
• High electrical and mechanical durability
• Industrial-grade construction
• Long operational service life

Applications

The Siemens 3RH1911-1HA01 auxiliary switch block is commonly used in industrial control systems where additional auxiliary contacts are required for automation and signaling functions.

• 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: 3RH1911-1HA01
• 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 3RH1911-1HA01 auxiliary switch block provides reliable auxiliary contact expansion, simple installation, and dependable performance in industrial automation systems. Its compact and durable design makes it an excellent solution for control, monitoring, and signaling applications.