Siemens 3RT1975-5AT31 Solenoid Coil, 575-600V AC/DC for 3RT107/3RT147 Original Brand New

Overview

The Siemens 3RT1975-5AT31 is a critical spare part and accessory, functioning as the Changeover Operating Mechanism (often referred to as a Solenoid Coil or Plug-in Coil) for Siemens SIRIUS 3RT1 series power contactors. Specifically designed for high-voltage applications, this coil ensures reliable switching for the large frame sizes of the 3RT1 series, including 3RT107 and 3RT147 contactors. It features a versatile control voltage range of 575 V to 600 V for both AC (50/60 Hz) and DC operation. This unit is essential for maintaining the operational reliability and safety of your industrial motor control systems.

Key Technical Specifications / Function

• Product Type: Changeover Operating Mechanism / Replacement Solenoid Coil (Withdrawable Coil)
• Siemens Part Number: 3RT1975-5AT31
• Compatibility: Designed for use with Siemens SIRIUS 3RT1 Power Contactors, specifically 3RT107 and 3RT147 (Size S12).
• Control Voltage: 575 V to 600 V AC (50 Hz / 60 Hz) / DC (UC – Universal Control)
• Operation Type: Standard and Economy Circuit operation
• Connection Method: Secure and reliable Screw Terminals
• Design: Plug-in/withdrawable design for easy replacement and maintenance.

Benefit

1. Dual Voltage Reliability (AC/DC): The universal control (UC) capability simplifies inventory and ensures high performance across both AC and DC control circuits within the high 575-600V range.
2. Optimized Performance: Engineered to meet the exact specifications of the SIRIUS 3RT1 contactor series, guaranteeing precise and consistent changeover operation.
3. Easy Maintenance: The plug-in design of the coil allows for quick and tool-friendly replacement, minimizing downtime and maintenance costs in critical industrial operations.
4. Genuine Siemens Quality: Manufactured to stringent Siemens standards, providing a durable, long-lasting component for demanding industrial environments.

Application

The 3RT1975-5AT31 Solenoid Coil is used primarily in industrial control panels for:

• Replacement and repair of large-frame SIRIUS 3RT1 contactors.
• Motor control centers (MCCs) utilizing 3RT107 and 3RT147 contactors.
• High-voltage machinery and process control systems requiring 575-600V control.
• Any application where reliable AC or DC contactor switching in this voltage range is required.

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