Siemens 3RH1140-1AP00 Auxiliary Contactor + 3RH1911-1GA04 Auxiliary Switch Block

Siemens 3RH1140-1AP00 Auxiliary Contactor + 3RH1911-1GA04 Auxiliary Switch Block

Product Description

The Siemens 3RH1140-1AP00 auxiliary contactor combined with the 3RH1911-1GA04 auxiliary switch block is a reliable industrial control component designed for switching, interlocking, and signaling functions in automation systems. As part of the Siemens SIRIUS series, this assembly offers dependable performance and long operational life in demanding industrial environments.

The integrated 3RH1911-1GA04 auxiliary switch block expands the contact configuration of the contactor and provides additional flexibility for monitoring and control applications. Its compact modular construction allows easy installation in industrial control cabinets and switchgear systems.

Main Features

• Original Siemens SIRIUS auxiliary contactor assembly
• Model: 3RH1140-1AP00
• Integrated auxiliary switch block: 3RH1911-1GA04
• Compact industrial modular design
• Reliable switching performance
• Extended auxiliary contact functionality
• Suitable for control and signaling circuits
• High electrical and mechanical durability
• Easy DIN rail and panel mounting
• Screw terminal connections
• Designed for industrial automation systems

Applications

The Siemens 3RH1140-1AP00 with 3RH1911-1GA04 auxiliary switch block is widely used in industrial automation and electrical control systems requiring dependable auxiliary switching and monitoring functions.

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

Technical Specifications

• Manufacturer: Siemens
• Series: SIRIUS
• Part Number: 3RH1140-1AP00
• Auxiliary Switch Block Part Number: 3RH1911-1GA04
• Product Type: Auxiliary contactor with auxiliary switch block
• 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 3RH1140-1AP00 auxiliary contactor assembly provides reliable switching performance, flexible auxiliary contact expansion, and simple integration into industrial automation systems. Its durable construction and compact design make it ideal for modern control, signaling, and motor management applications.