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Siemens 3RH2911-1NE22 Auxiliary Switch Block, Solid-State Compatible, Front Mount for 3RT2/3RH
Siemens 3RH2911-1NE22 Auxiliary Switch Block, Solid-State Compatible, Front Mount for 3RT2/3RH
Siemens 3RH2911-1NE22 Auxiliary Switch Block, Solid-State Compatible, Front Mount for 3RT2/3RH
Siemens 3RH2911-1NE22 Auxiliary Switch Block, Solid-State Compatible, Front Mount for 3RT2/3RH

Siemens 3RH2911-1NE22 Auxiliary Switch Block, Solid-State Compatible, Front Mount for 3RT2/3RH2 Original Brand New

Model / SKU3RH2911-1NE22

Siemens 3RH2911-1NE22 auxiliary switch, solid-state compatible, on the front, 2 NO + 2 NC, .3/.4, .3/.4, .1/.2, .1/.2, current path: 1 NO (solid-state compatible), 1 NO, 1 NC, 1 NC (solid-state compatible), screw terminal, for contactors 3RT2 and contactor relays 3RH2

Original price was: $76.02.Current price is: $39.52.
Available on backorder
  • ConditionOriginal Brand New
  • Warranty12 months

Backorder available · Factory lead time 2–3 weeks.

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Description

Overview: Siemens 3RH2911-1NE22 Auxiliary Switch

The Siemens 3RH2911-1NE22 is a high-performance front-mounted auxiliary switch block from the SIRIUS modular system, specifically designed to expand the control circuit capabilities of 3RT2 power contactors and 3RH2 contactor relays. This essential accessory provides a 2 NO (Normally Open) + 2 NC (Normally Closed) contact configuration, giving you robust options for signaling and interlocking.

A key feature of the 3RH2911-1NE22 is its solid-state compatible design for two of its contacts (1 NO and 1 NC), ensuring reliable switching performance even at very low voltages and currents. It uses secure and durable screw terminals for easy and reliable wiring.

Benefits & Advantages

  • Enhanced Control Circuit Flexibility: Provides four auxiliary contacts (2 NO + 2 NC) for expanded monitoring, signaling, and control functions within your application.
  • Solid-State Reliability: Features specific contacts optimized for low-current, low-voltage solid-state circuits (e.g., PLC inputs), preventing contact failures in modern control systems.
  • Universal Compatibility: Seamlessly integrates with the widely used Siemens 3RT2 contactors and 3RH2 contactor relays, simplifying inventory and maintenance.
  • Fast, Tool-free Installation: The front-side, snap-on mounting ensures quick and easy installation, reducing assembly time and labor costs.
  • Secure Wiring: Utilizes robust screw terminals for a reliable, high-integrity electrical connection in industrial environments.

Application

This auxiliary switch block is an ideal solution for:

  • Motor Control Circuits: Providing feedback, interlocking, or status signals for motors controlled by 3RT2 contactors.
  • PLC Interfacing: Using the solid-state compatible contacts to directly feed reliable status signals into programmable logic controllers (PLCs).
  • Signaling and Indication: Wiring indicator lights or buzzers to show the exact on/off status of the main contactor.
  • Control Panel Expansion: Adding necessary contacts for complex control logic or safety circuits.

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Specifications

SKU / Model3RH2911-1NE22
Weight0.055 kg
Dimensions59 × 52 × 43 mm

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