Product Description
HESG448614R1 Parameters
Product Details
| Parameter | Details |
|---|---|
| Manufacturer | ABB |
| Model/Part Number | HESG448614R1 |
| Description | Transformer Protection and Control Relay |
Product Overview
| Parameter | Details |
|---|---|
| Part Number | HESG448614R1 |
| Product Name | RET670 Transformer Protection and Control Relay |
| Application | Protection and control for two-, three-, or multi-winding transformers, including phase, earth, and inter-turn fault protection |
| Compatibility | Integrates with ABB's Relion series, supports IEC 61850 communication and substation automation |
| Function | Provides differential protection, overcurrent, voltage, and thermal monitoring; includes disturbance recording and event logging |
Functional Specifications
| Parameter | Details |
|---|---|
| Protection Functions | Numerical differential protection (87), overcurrent (50/51), restricted earth fault (87N), thermal overload (49) |
| Measurement Capabilities | Voltage, current, power, frequency; supports up to 3 three-phase voltage inputs and 6 current inputs |
| Binary Inputs/Outputs | 18 binary inputs, 11 output contacts (configurable) |
| Communication Interfaces | 2x Ethernet ports (IEC 61850, DNP3, Modbus TCP), 2x serial ports (SPA, IEC 60870-5-103) |
| Power Supply | 24-60 V DC or 48-250 V DC / 100-240 V AC options |
| Operating Temperature Range | -25°C to +55°C |
| Dimensions | 177 mm x 177 mm x 144 mm (4U 19" rack mount) |
| Standards Compliance | IEC 60255, IEEE C37.91, CE, UL, CSA |