Siemens 3RH2911-1DA11 Auxiliary Switch, Lateral Mount, 1NO+1NC, Screw Terminal for 3RT2.1 Contactors Original Brand New

Overview

The Siemens 3RH2911-1DA11 auxiliary switch is a premium-quality accessory designed to extend the functionality of Siemens contactors, particularly the 3RT2.1 series. With its lateral mounting style and combination of 1 NO and 1 NC contact configuration, it offers reliable performance for industrial automation and electrical control systems.

Key Benefit

• Reliable Switching: Provides consistent auxiliary contact switching with clear separation of circuits.

• Flexible Installation: Lateral mounting on either left or right (contacts: 41/42, 53/54 on the left; 21/22, 33/34 on the right).

• Enhanced Compatibility: Specifically engineered for use with Siemens 3RT2.1 contactors.

• Durable Construction: Built with Siemens’ renowned engineering for long-lasting industrial use.

• Easy Wiring: Features screw terminal connections for secure and simple installation.

Function

• Acts as an auxiliary contact block to indicate or control auxiliary circuits.

• Allows for electrical signaling, interlocking, or logic operations.

• Maintains separation between control and load circuits for safety and system integrity.

Technical Specification

• Model Number: 3RH2911-1DA11

• Mounting Type: Lateral (Left or Right Side)

• Contact Configuration: 1 NO (Normally Open), 1 NC (Normally Closed)

• Terminal Type: Screw Terminal

• Compatibility: Siemens 3RT2.1 Contactors

• Contact Designations:

  • Left Side: 41/42 (NC), 53/54 (NO)

  • Right Side: 21/22 (NC), 33/34 (NO)

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