Siemens 3RH2911-1NE22 Auxiliary Switch Block, Solid-State Compatible, Front Mount for 3RT2/3RH2 Original Brand New
$30.61
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
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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| Weight | 0.055 kg |
|---|---|
| Dimensions | 59 × 52 × 43 mm |
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