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Hengrong Electrical Co., Ltd.
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Medium Voltage Integrated Protection Relay IEC Certified for Transformer, Feeder, and Motor Protect

Medium Voltage Integrated Protection Relay IEC Certified for Transformer, Feeder, and Motor Protect

Voltage Protection Function: Yes
Device Supply Voltage: 48VDC, 110VAC/220VDC, 110VDC, 110VDC 220VAC/DC, AC/DC Universal
Rated Phase Current: -, 5A
Rated Zero-Sequence Current: -, 1/5A, 1A
Panel Cutout Size (mm): 99*57, 148*163, 160.6*99.6, 252*146.5
Number of Digital Inputs: 1, 2, 9, 12
Number of Digital Outputs: 1, 2, 4, 5, 8
Device Protection Type: Automatic Transfer, Intelligent Motor Monitoring Device, Motor Protector, PT, Parallel PT
Expansion I/O Module: -
Operation/Anti-Rebound Circuit: -
Measurement CT Circuit: -
Communication Interface: 1 × RS485, 1 or 2 × RS485, 2 × RS485
Communication Protocol: Modbus RTU
More Details

Medium Voltage Integrated Protection Relay IEC Certified for Transformer, Feeder, and Motor Protection

Hengrong Electric Co., Ltd. proudly offers medium voltage integrated protection relays designed to deliver reliable, precise, and efficient protection for transformers, feeders, and motors in modern electrical networks. Our IEC-certified protection relays are engineered to meet international standards, ensuring safety, durability, and seamless integration into power distribution systems.

Advanced Protection for Critical Equipment
Our integrated relays provide comprehensive protection functions for transformers, feeders, and motors. They monitor key electrical parameters, detect faults in real time, and initiate rapid tripping to prevent equipment damage, reduce downtime, and enhance operational safety.

IEC Certification for Global Reliability
Hengrong Electric’s protection relays are fully compliant with IEC standards, giving you confidence in their accuracy, robustness, and interoperability. Whether deployed in industrial plants, commercial facilities, or utility networks, these relays provide dependable protection across a wide range of medium voltage applications.

Seamless Integration and Monitoring
Equipped with flexible communication interfaces, our protection relays can easily integrate with SCADA systems and remote monitoring platforms. Real-time data acquisition, fault logging, and condition monitoring ensure operators have complete visibility and control over their electrical network.

Durability and Long-Term Performance
Built for the demanding conditions of medium voltage networks, Hengrong Electric protection relays feature high-quality components and robust construction. They are designed for long service life, low maintenance, and stable performance under various environmental conditions.

Why Choose Hengrong Electric Protection Relays?

  • Comprehensive protection for transformers, feeders, and motors

  • IEC-certified for international standards compliance

  • Advanced fault detection and condition monitoring

  • Easy integration with existing electrical systems

  • Reliable, durable, and built for long-term use

For dependable medium voltage protection solutions, trust Hengrong Electric Co., Ltd. to safeguard your critical electrical infrastructure while optimizing network performance. Explore our full range of integrated protection relays and other medium voltage equipment at www.hengrong-electric.com.

  • With expertise in electrical equipment, capacitors, reactors, and integrated supporting devices, we deliver high-performance solutions backed by reliable after-sales service.

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