Siemens 3RH2921-2XN22-0GS0 Auxiliary Switch 2 NO + 2 NC Front-Mount Solid-State Compatible Original Brand New

Overview

The Siemens 3RH2921-2XN22-0GS0 is a high-performance auxiliary switch designed to integrate seamlessly with specific Siemens control components. This front-mounted unit features a custom configuration of 2 normally open (NO) and 2 normally closed (NC) contacts, providing versatile signal capabilities for your industrial control applications. It is specifically engineered to be solid-state compatible, ensuring reliable and precise operation with modern electronic circuits.

The spring-loaded terminals offer a fast, secure, and vibration-resistant connection, streamlining installation and maintenance. This particular model is a customer-specific variant, exclusively designed for use with the Siemens 3RT2026-1FB40-1KS0 contactor, and features a unique ‘label petrol’ marking.

Key Benefit

• Optimized Compatibility: This switch is custom-engineered to provide a perfect fit and function with the Siemens 3RT2026-1FB40-1KS0 contactor, ensuring seamless integration and reliable performance.
• Solid-State Compatible: Designed to work flawlessly with modern PLC and solid-state control systems, enabling precise and dependable signal feedback.
• Space-Saving Design: As a front-mounted auxiliary switch, it provides additional contacts without increasing the width of the main device, optimizing panel space.
• Quick & Secure Installation: The innovative spring-loaded terminals simplify wiring, reducing installation time and providing a robust connection that is resistant to vibration.
• Versatile Contact Configuration: The 2 NO + 2 NC contact layout offers flexibility for various control and signaling applications, including status indication, interlocks, and control logic.

Technical Specifications / Function

• Product Type: Auxiliary Switch
• Product Number: 3RH2921-2XN22-0GS0
• Mounting Type: Front-mounted
• Contact Configuration: 2 Normally Open (NO) + 2 Normally Closed (NC)
  • Terminal Numbers: 11/12 (NC), 23/24 (NO), 33/34 (NO), 41/42 (NC)
  • Current Path: 1 NC (solid-state compatible), 1 NO, 1 NO, 1 NC (solid-state compatible)
• Terminal Type: Spring-loaded terminal
• Compatibility: Exclusively for use with the Siemens 3RT2026-1FB40-1KS0 contactor.
• Special Features:
  • Solid-state compatible functionality for two of the contacts.
  • Customer-specific design.
  • ‘Label petrol’ marking.

Application

The Siemens 3RH2921-2XN22-0GS0 auxiliary switch is an essential component for expanding the control and signaling capabilities of the 3RT2026-1FB40-1KS0 contactor in a wide range of industrial applications, including:

• Machine Control Panels
• Automation Systems
• Motor Control Circuits
• HVAC Systems
• Power Distribution Boards

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