Siemens 3RH2911-1AA10 Auxiliary Switch 1 NO Front Mount, Screw Terminal for 3RT2 & 3RH2 Contactors Original Brand New

Product Overview

The Siemens 3RH2911-1AA10 Auxiliary Switch is a high-quality front-mounted accessory designed to enhance the control capabilities of Siemens contactors and contactor relays. Featuring 1 normally open (1 NO) contact at terminal 73/74, this auxiliary switch ensures reliable performance in industrial automation and control panels. Designed for use with Siemens 3RT2 contactors and 3RH2 contactor relays, this switch is equipped with screw terminals and supports cable entry from the top, making it ideal for compact control cabinets.

Whether you’re upgrading your existing control systems or integrating new automation solutions, this auxiliary contact block offers consistent, long-lasting functionality.

Key Benefit

• Reliable Performance – Ensures smooth operation and signal consistency.

• Easy Integration – Designed for front mounting on 3RT2 and 3RH2 devices.

• Durable Design – Industrial-grade construction built to last.

• Simplified Wiring – Top cable entry with secure screw terminal connections.

• Compact & Efficient – Space-saving and adaptable for tight panel configurations.

Main Features / Function

• Product Number: Siemens 3RH2911-1AA10

• Switch Type: Auxiliary switch

• Mounting: Front-mounted

• Contact Configuration: 1 NO (Normally Open), terminals 73/74

• Current Path: 1 NO

• Terminal Type: Screw terminal

• Cable Entry: From the top

• Compatibility: Siemens 3RT2 contactors and 3RH2 contactor relays

• Application: Signal switching, control circuit extension, contact status indication

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