Siemens 3RT1955-5PP31 Withdrawable Drive Coil 200-277V AC/DC Original Brand New

Overview: Siemens 3RT1955-5PP31 Withdrawable Drive Coil

The Siemens 3RT1955-5PP31 is a high-performance withdrawable drive coil (also often referred to as a spare coil) designed as a key accessory for SIRIUS 3RT105 and 3RT145 power contactors (Size S6).

This versatile coil is engineered for a wide-range AC/DC control supply voltage of 200 to 277 V, making it flexible for various international power standards. It features an advanced electronic operating mechanism that includes a dedicated 24 V DC PLC input and an RLT signal (Return Link Technology), which is crucial for modern, networked industrial automation systems that require enhanced diagnostic and control capabilities.

As a withdrawable component, it ensures quick and easy replacement, significantly reducing maintenance downtime for your industrial control and motor switching applications.

Benefit

• Maximum Flexibility: The wide-range $200\dots 277\text{ V AC/DC}$ control voltage simplifies inventory and is suitable for global applications.
• Reduced Downtime: The withdrawable design allows for fast, tool-less replacement of the coil, optimizing maintenance efficiency.
• Advanced Diagnostics: The electronic drive mechanism with RLT signal provides valuable diagnostic information, enhancing system reliability and troubleshooting.
• Direct PLC Integration: The dedicated 24 V DC PLC input streamlines wiring and integration with modern Programmable Logic Controllers (PLCs).
• Genuine Siemens Quality: Manufactured under the SIRIUS industrial controls standard, ensuring long life and reliable performance in demanding industrial environments.

Function

The primary function of the 3RT1955-5PP31 is to serve as the electromagnetic actuator for compatible power contactors:

1. Contactor Actuation: Receives the control signal to open or close the main contacts of the 3RT105 or 3RT145 contactor, thus switching the motor load.
2. Wide Voltage Compatibility: Converts the $200$ to $277\text{ V}$ control power into the mechanical force required for switching.
3. PLC Interfacing: Allows direct control and monitoring from a low-voltage 24 V DC PLC output via the electronic drive.
4. Signal Transmission (RLT): Provides feedback on the contactor’s state to the control system for sophisticated system monitoring and control (Return Link Technology).

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