Siemens 3RH1921-2KA02 SIRIUS 3RT1 Contactor Auxiliary Switch, 2NC, Spring-Type Terminal Original Brand New

Overview

The Siemens 3RH1921-2KA02 is a high-quality, lateral auxiliary switch designed for seamless integration with the SIRIUS 3RT1 series of contactors. This essential component expands the control capabilities of your contactor, providing two normally closed (2 NC) contacts for use in your control circuits. The innovative spring-type terminal technology ensures fast, secure, and vibration-resistant connections, significantly reducing installation time and increasing operational reliability. It’s the perfect solution for applications requiring reliable signaling and interlocking functions.

Key Benefit

• Reliable Performance: Engineered by Siemens, a leader in industrial automation, for consistent and long-lasting operation.
• Easy Integration: Specifically designed for the SIRIUS 3RT1 contactor range, ensuring a perfect fit and hassle-free installation.
• Time-Saving Installation: The spring-type terminals allow for quick, tool-free wiring, saving valuable time during setup and maintenance.
• Vibration Resistance: Spring-loaded connections provide a secure grip, making the switch highly resistant to vibrations and shocks.
• Enhanced Control: Adds two normally closed contacts to your circuit, offering greater flexibility for signaling, interlocking, and control applications.

Technical Specification

• Product Number: 3RH1921-2KA02
• Product Type: Lateral Auxiliary Switch
• Number of Contacts: 2 Normally Closed (NC)
• Terminal Type: Spring-type Terminal
• Compatibility: For use with Siemens SIRIUS 3RT1 contactors
• Mounting Position: Lateral (Side-mounted)

Application

The Siemens 3RH1921-2KA02 is ideal for a wide range of industrial applications, including:

• Motor control circuits
• Interlocking systems
• Signaling and feedback loops
• Automated machinery
• Control panel wiring

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