ABB RET316*4 HESG448750M2 Transformer Protection Relay

Specifications

  • Manufacturer: ABB

  • Product No.: RET316*4 HESG448750M2

  • Condition： 10 Items in Stock

  • Product Type: Transformer Protection Relay

  • Product Origin: Sweden

  • Payment:T/T, Western Union

  • Weight: 1500g

  • Shipping port: Xiamen

  • Warranty: 12 months

Product details

Description

ABB RET316*4 HESG448750M2 – Numerical Transformer Protection Relay

Overview

The ABB RET316*4 HESG448750M2 is a powerful transformer protection relay engineered for fast and selective protection of two- or three-winding transformers, including autotransformers and generator-transformer block units. It provides advanced control, monitoring, and measurement features, making it highly suitable for utility and industrial power distribution systems. Integrated with IEC 61850 support, it ensures seamless communication and interoperability across automation networks.

Applications

The ABB RET316*4 HESG448750M2 is designed to safeguard transformers, autotransformers, and block units from electrical faults such as differential currents, thermal overload, and overexcitation. Its multi-protocol communication compatibility and flexible logic functions enable efficient integration into modern power system architectures.

⚙️ Technical Specifications

Feature Specification
Model Number RET316*4 HESG448750M2
Functionality Transformer protection, control, measurement, supervision
Protection Types Differential, overcurrent, overvoltage, thermal overload, distance, overexcitation, frequency, breaker failure
Communication Protocols IEC 61850, IEC 60870-5-103, Modbus®, DNP3, Profibus DPV1 (via SPA-ZC 302)
Interfaces 3 serial ports for PC, station control, process bus
Logic Functions Multi-layer logic with timers, flip-flops, and custom schemes via PCM600
User Interface CAP2/316 software (Windows-based)
Mounting Options 19″ rack, surface, or flush mounting
Ingress Protection IP20
Power Supply 24 V DC
Operating Temperature −20°C to +55°C
Dimensions 135 mm × 67.5 mm × 28 mm
Weight 1.5 kg
Country of Origin Switzerland (CH)

 

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