Siemens 3RH2122-1KB40 SIRIUS Coupling Auxiliary Contactor

Siemens 3RH2122-1KB40 SIRIUS Coupling Auxiliary Contactor

Product Description

The Siemens 3RH2122-1KB40 SIRIUS coupling auxiliary contactor is a reliable industrial switching device designed for coupling, control, signaling, and auxiliary switching applications in automation systems. As part of the Siemens SIRIUS product family, this auxiliary contactor delivers dependable performance, compact dimensions, and long operational service life.

The device is specifically engineered for use in industrial control circuits and automation systems where stable switching performance and reliable signal transmission are required. Its robust industrial construction ensures efficient operation in demanding industrial environments.

Main Features

• Original Siemens SIRIUS coupling auxiliary contactor
• Model: 3RH2122-1KB40
• Reliable auxiliary switching performance
• Suitable for coupling and signaling applications
• Compact modular industrial design
• High electrical and mechanical durability
• Easy DIN rail and panel mounting
• Screw terminal connections
• Long operational lifespan
• Designed for industrial automation systems
• Reliable performance in continuous operation

Applications

The Siemens 3RH2122-1KB40 coupling auxiliary contactor is commonly used in industrial automation systems where reliable coupling and control functions are required.

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

Technical Specifications

• Manufacturer: Siemens
• Series: SIRIUS
• Part Number: 3RH2122-1KB40
• Product Type: Coupling auxiliary contactor
• Connection Type: Screw terminals
• Mounting Type: DIN rail / panel mounting
• Application: Industrial control and coupling functions
• Industrial Grade: Yes
• Compact modular construction
• High operational reliability

Advantages

The Siemens 3RH2122-1KB40 SIRIUS coupling auxiliary contactor provides reliable switching performance, easy installation, and dependable operation in industrial automation systems. Its compact design and durable construction make it ideal for modern control and signaling applications.