Siemens 3RH1921-1XA22-0MA0 Front-Side Auxiliary Switch, 2 NO + 2 NC Contacts for 3RT1 Contactors Original Brand New

Overview

The Siemens 3RH1921-1XA22-0MA0 is a high-quality, front-side mounted auxiliary switch block designed for seamless integration with Siemens SIRIUS 3RT1 Power Contactors. This essential accessory expands the signaling and control capabilities of your contactor system by providing additional switching contacts.

Featuring a reliable 2 NO (Normally Open) and 2 NC (Normally Closed) contact configuration, it ensures robust performance in demanding industrial control applications. The unit utilizes convenient and secure screw terminals for quick and reliable wiring installation. It is specifically designated for sequence numbers 5…8 in the contactor assembly.

Benefits & Features

• Enhanced Control Functionality: Adds four dedicated auxiliary contacts (2 NO + 2 NC) to your 3RT1 contactor, significantly increasing control and feedback possibilities.

• Simple Front-Side Mounting: Designed for fast, tool-free mounting directly onto the front face of compatible 3RT1 contactors, minimizing installation time.

• Secure Connection: Reliable screw terminals ensure a permanent, vibration-resistant connection, guaranteeing operational safety and longevity.

• High Compatibility: Perfectly matched for use with the comprehensive range of Siemens SIRIUS 3RT1 Power Contactors, ensuring system integrity.

• Industry Standard Quality: Manufactured by Siemens, guaranteeing the highest levels of quality, reliability, and compliance with global industrial standards.

Function & Features

• Type: Front-side auxiliary switch

• Contacts: 2 NO (Normally Open) + 2 NC (Normally Closed)

• Mounting: Front-side installation

• Connection: Screw terminal for secure wiring

• Compatible With: Siemens 3RT1 contactors, sequence numbers 5…8

• Applications: Industrial automation, machinery control, electrical panels

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