The ABB REF615E_1G is a configuration-specific variant of the ABB Relion® 615 series, designed for high-performance feeder protection, control, measurement, and monitoring in medium-voltage distribution networks.
As part of ABB’s advanced digital protection platform, the REF615E_1G delivers fast fault detection, precise selectivity, and strong interoperability with IEC 61850-based substation automation systems. It is widely used in utility substations and industrial power systems where reliability, continuity of service, and fast response to electrical faults are critical.
The “1G” ordering code typically indicates a customized hardware and communication configuration within the REF615E platform, optimized for specific application requirements and regional system integration standards.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | ABB |
| Model | REF615E_1G |
| Series | Relion® 615 Series |
| Device Type | Feeder Protection & Control Relay |
| Function | Protection, control, measurement, supervision |
| Auxiliary Supply Voltage | 48–250 V DC / 100–240 V AC |
| Communication Protocols | IEC 61850, Modbus RTU, Modbus TCP, DNP3 |
| Configuration Tool | ABB PCM600 |
| Mounting Type | Panel flush mounting |
| Operating Temperature | -25°C to +70°C |
| Frequency | 50/60 Hz |
Physical Characteristics
| Item | Specification |
|---|---|
| Dimensions (W × H × D) | 177 × 177 × 201 mm |
| Weight | Approx. 2.5 – 3.5 kg |
| Enclosure | Industrial-grade rugged housing |
| Installation Type | Flush-mounted panel device |
Recommended Related Models
- ABB REF615 – Standard feeder protection relay baseline version
- ABB REF615E – Enhanced version with extended functionality
- ABB REF615C_C – Configuration variant for specific engineering setups
- ABB REF615C_D – Customized protection logic variant
- ABB REF620 – Advanced feeder protection platform
Popular ABB Models
- ABB REF615E_1G – Customized feeder protection relay variant
- ABB REF615 – Widely deployed standard protection relay
- ABB REF542plus – Substation automation and control unit
- ABB REL670 – High-performance transmission line protection relay
- ABB RET670 – Transformer protection and monitoring system
