Siemens 3RH2911-4FB11 Auxiliary Switch 1 NO + 1 NC, Front-Mounted for 3RT2 & 3RH2 Contactors Original Brand New

Overview

The Siemens 3RH2911-4FB11 is a high-performance, front-mounted auxiliary switch block from the SIRIUS 3RH29 series, designed to expand the auxiliary contacts in industrial control circuits. Featuring a configuration of 1 Normally Open (NO) and 1 Normally Closed (NC) contact (11 U), this module ensures reliable signal switching. It is specifically engineered for tool-free, front-side mounting onto Siemens 3RT2 power contactors and 3RH2 contactor relays, providing seamless integration into your existing S-Size control systems. The robust ring cable lug connection (also known as a ring-type or fork-type connection) offers a secure and reliable wiring solution, ideal for demanding industrial environments.

Key Benefits:

• Reliable Performance: Ensures accurate switching with 1 NO (leading) and 1 NC (lagging) contacts.

• Wide Compatibility: Designed for Siemens 3RT2 contactors and 3RH2 contactor relays.

• Durable Design: Ring cable lug connection provides secure and stable electrical connections.

• Efficient Operation: Handles electrical loads effectively for industrial automation setups.

• Easy Installation: Front-mounted design allows quick integration into existing systems.

Functionality / Features:

• Auxiliary switch type: Front-mounted

• Contact configuration: 1 NO + 1 NC

• Current path: 1 NO (leading), 1 NC (lagging)

• Rated operational voltage: 11 U

• Connection type: Ring cable lug

• Compatible with: Siemens 3RT2 contactors, 3RH2 contactor relays

• Ideal for: Industrial automation, control panels, motor control systems

For more of our genuine Siemens industrial control products, including contactors, contactor relays, and other accessories, please visit Turll today.