The ABB REM615 Motor Protection and Control Relay Module is a high-performance intelligent protection device engineered to safeguard, monitor, and control asynchronous and synchronous motors in industrial and utility power systems. It belongs to ABB’s Relion® 615 family — a well-established series of protection and control relays that integrate advanced motor protection, supervision, and communication in a compact, withdrawable design.
The REM615 is widely used where reliable motor health management and process continuity are crucial, especially in manufacturing plants, process industries, and large-scale industrial installations. It combines protection logic, measurement functions, intuitive displays, and multiple communication options, providing both local and networked system integration.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | ABB REM615 |
| Module Type | Motor Protection & Control Relay |
| Product Family | Relion® 615 Series |
| Core Function | Motor protection, control, measurement, and supervision |
| Protection Functions | Thermal overload, start-up supervision, loss-of-load, phase reversal, ground fault, broken conductor, etc. |
| Communication | Ethernet (IEC 61850), RS-485, Modbus, DNP3, IEC 60870-5-103 |
| Protocol Support | IEC 61850 Editions 1 & 2 (HSR, PRP, GOOSE), Modbus, DNP3 |
| Display | Large graphical LCD (configurable SLD) |
| Mounting | Panel mount, withdrawable design |
| Operating Voltage | Typical control and auxiliary supply options (AC/DC variant) |
| Dimensions (W × H × D) | ~200 mm × 175 mm × 100 mm (approx.) |
| Weight | ~1.5–4.5 kg (relay complete unit depending on configuration) |
| Standards | IEC 61850, IEEE 1588 V2 (time sync) |
| I/O | Multiple binary inputs/outputs for interlocks and control |
Recommended Related Models
To build a complete motor protection and automation solution, the REM615 is often paired with:
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ABB REF615 — Feeder protection relay for power distribution integration
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ABB DIS0006 — Digital input module for enhanced binary signal interfacing
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ABB COM600 — Station automation and Web-HMI integration unit
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ABB PCM600 — Protection and Control IED configuration software
These components together enable advanced motor and feeder protection, system monitoring, and seamless SCADA connectivity.
Popular ABB Integration Platforms
The REM615 fits into a variety of industrial automation and protection frameworks, including:
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Medium-voltage and low-voltage motor protection systems
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Motor Control Centers (MCCs)
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Industrial process plant automation
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Electrical distribution supervisory systems
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Substation automation with IEC 61850 networking
It integrates with supervisory control systems, DCS/SCADA platforms, and protection coordination schemes to ensure robust motor and distribution reliability.
