Schneider EOCR3DE-05DUH intelligent digital motor protection relay

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December 11, 2025
Category Connection: Beckhoff PLC Module
Brief: Let’s dive in — see this solution in action and notice the key moments. This video provides a detailed walkthrough of the Schneider 3CT-H2-200-Z Combined Current Transformer, demonstrating its integration with EOCR motor protectors. You'll learn how this high-precision device monitors current, detects motor waveforms during startup, and supports multiple protection functions to prevent equipment damage.
Related Product Features:
  • High-precision combined current transformer designed for EOCR motor protectors with a 200/5 ratio and Class 1 accuracy.
  • Compact structure allows integration as an all-in-one unit or separate installation, reducing space and simplifying wiring.
  • Rapid detection of motor current waveforms during startup to prevent overcurrent damage and ensure reliable operation.
  • Supports multiple protection functions including overload, short circuit, undervoltage, and stall protection.
  • Rated current range from 10 to 480A with a maximum voltage of 1150V and power consumption of 5VA.
  • Robust mechanical design with dimensions of 154.5mm x 86.2mm x 91.4mm and terminal tightening torque of 1.7 N.m.
  • Operates in temperatures from -20 to 60°C and complies with IEC standards for reliable performance in various environments.
  • Part of the Schneider EOCR series, originally from SAMWHA, ensuring quality and compatibility with motor protection systems.
Faqs:
  • What is the primary application of the Schneider 3CT-H2-200-Z Combined Current Transformer?
    It is specifically designed for relay-specific current measurement with EOCR motor protectors, providing reliable monitoring and protection for electrical equipment and motors.
  • What protection functions does this current transformer support?
    It supports multiple protection functions including overload, short circuit, undervoltage, and stall protection to prevent motor damage.
  • What are the key electrical specifications of the Schneider 3CT-H2-200-Z?
    Key specifications include a current ratio of 200/5, accuracy Class 1, rated current range from 10 to 480A, power consumption of 5VA, and a maximum voltage of 1150V.
  • How does the design of this transformer benefit installation?
    Its compact structure allows it to be integrated as an all-in-one unit with EOCR protectors or installed separately, effectively reducing space and simplifying wiring.