Overview
Specification
| Parameter | Description |
|---|---|
| Model | ABB REM620 |
| Product Type | Feeder & Motor Protection Relay (IED) |
| Series | Relion 620 Series |
| Mounting Style | Draw-out / Plug-in relay unit |
| Protection Functions | Overload, Short-Circuit, Earth Fault, Thermal Overload, Locked Rotor, Motor Start Supervision |
| Advanced Protection Options | Arc Flash Detection, Trip Circuit Supervision, Breaker Failure Protection |
| Control Functions | Feeder and breaker control, programmable automation logic |
| Measurement Inputs | Current, Voltage, Analog Inputs, RTD Inputs |
| RTD Support | Up to 14 RTDs (motor temperature monitoring) |
| Analog Inputs | Configurable (mA or voltage) |
| Binary Inputs / Outputs | Scalable digital I/O architecture |
| Output Trip Time | < 1 ms high-speed output response |
| Communication Protocols | IEC 61850 (GOOSE / HSR / PRP), Modbus, DNP3, IEC 60870-5-103 (optional) |
| HMI | Local graphical LCD display with configurable push-buttons |
| Software Configuration | PCM600 Engineering Tool |
| Event & Fault Recording | Extended disturbance recorder with waveform capture |
| Power Supply Range | 24–250 V DC / 48–240 V AC (model-dependent) |
| Operating Temperature | –25°C to +70°C |
| Storage Temperature | –40°C to +85°C |
| IP Rating | IP54 (front panel) |
| EMC & Safety Compliance | IEC protection device standards and electrical safety norms |
| Typical Voltage Systems | Medium-Voltage Distribution Networks |
| Primary Applications | Motor protection, feeder protection, SCADA-connected systems, digital substations |
FAQ
It protects medium and large-scale motors and feeder circuits used in industrial, process, and utility power distribution.
Yes. IEC 61850 and other standard protocols allow integration with modern SCADA and substation automation platforms.
Manual/Datasheet PDF
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