Siemens 3RH2911-1HA31 Auxiliary Switch, 3NO + 1NC Front Mount for 3RT2 & 3RH2 Contactors Original Brand New

Overview

The Siemens 3RH2911-1HA31 Auxiliary Switch is a high-quality front-mounted accessory designed for use with Siemens 3RT2 contactors and 3RH2 contactor relays. Engineered for reliability and precision, this auxiliary switch offers 3 Normally Open (3NO) and 1 Normally Closed (1NC) contacts with screw terminals, ensuring dependable control and signaling in electrical circuits.

This model provides a robust and compact solution for expanding contactor functionality in industrial automation, motor control centers, and electrical panels.

Key Features & Function

• Configuration: 3 Normally Open (3NO) + 1 Normally Closed (1NC) contacts

• Mounting Type: Front-mounted for easy installation and compact design

• Connection Type: Screw terminal for secure and reliable connections

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

• High Durability: Designed for long service life and consistent performance in demanding industrial environments

• Function: Extends the switching and control capacity of contactors

• Application Areas: Ideal for automation systems, machinery control, and electrical distribution setups

Benefit

• Enhanced Control Flexibility – Adds extra auxiliary contacts to your system for improved control and monitoring.
• Easy Installation – Front-mounted design allows quick setup without complex wiring adjustments.
• Reliable Performance – Siemens engineering ensures long-lasting, stable operation even under heavy use.
• Universal Compatibility – Perfect fit with Siemens 3RT2 and 3RH2 series for streamlined integration.

Technical Detail

• Product Number: 3RH2911-1HA31

• Manufacturer: Siemens

• Type: Auxiliary Switch

• Contact Configuration: 3NO + 1NC

• Terminal Type: Screw terminal

• Mounting Position: Front mount

• Compatible Devices: Siemens 3RT2 contactors, Siemens 3RH2 relays

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