3RK1903-1CB00

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The Siemens 3RK1903-1CB00 is a high-quality PM-X motor starter connection module designed to meet stringent safety standards in industrial automation. It supports safety category 4 according to EN 954-1 for feedback circuit and infeed protection, ensuring reliable operation in critical machinery applications. This module plugs directly onto TM-X15 S27-01 with a compact 15 mm width, optimizing panel space while delivering robust performance. With a rated control supply voltage of 24 V DC and IP20 finger-safe protection at the front, the 3RK1903-1CB00 combines convenience with safety compliance, making it a trusted choice for factory control setups worldwide. Its modular design facilitates seamless integration and maintenance for diverse automation systems.

Key Features of Siemens 3RK1903-1CB00

  • Designed for motor starter connection with safety category 4 EN 954-1 compliance
  • Compact 15 mm plug-on width for space-saving panel installation
  • Control supply voltage: 24 V DC (20.4-28.8 V)
  • IP20 protection rating with finger-safe front for operator safety
  • Feedback circuit and infeed protection functions included
  • Simple plug-on connection to TM-X15 S27-01 base module
  • Robust design ensuring reliable operation in industrial environments
  • Supports bus communication for integration in safety circuits
  • Lightweight at approximately 0.07 kg for easy handling and mounting
  • Suitable for factory automation and safety-related tasks

Explore Siemens 3RK1903-1CB00 specifications for detailed parameters

Specification Details
Product Type PM-X Motor Starter Connection Module
Safety Category 4 (EN 954-1)
Control Supply Voltage 24 V DC (20.4 - 28.8 V)
Protection Class (Front) IP20, finger-safe
Width 15 mm
Mounting Plug-on to TM-X15 S27-01
Weight Approximately 0.069 kg

Applications / Use Case

This Siemens 3RK1903-1CB00 is commonly used in factory control panels and industrial automation systems worldwide. It facilitates feedback circuit and infeed protection in motor starters, playing a critical role in machine safety and operational reliability. Its compliance with safety category 4 EN 954-1 makes it ideal for integration into safety-related control mechanisms in production lines, motion control setups, and process control environments. The module’s compact construction helps optimize control cabinet layouts, reducing space while maintaining high functionality for secure and efficient machine operation.

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3RK1903-1CB00

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Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

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