ABB REF615E-E Measurement and Control Microcomputer Protection Device Module
Brand model: ABB
Product Name: REF615
Warranty: 1 year
Size: 144 mm x 144 mm x 105 mm (5.7 in x 5.7 in x 4.1 in)
Weight: 1.3kg
Status: New/Used
Categories: ABB
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Tel/WhatsApp: +86 173 5088 0093
Description
ABB REF615E-E Measurement and Control Microcomputer Protection Device Module
Integral to smart grid ecosystems, the REF615E-E supports seamless communication with SCADA systems and energy management platforms via protocols like IEC 61850 (GOOSE/MMS), Modbus, and DNP3, facilitating remote monitoring and control. This connectivity is invaluable for utilities and industrial facilities seeking to optimize network efficiency and comply with modern grid codes. Whether deployed in urban distribution networks, industrial power systems, or renewable energy microgrids, the REF615E-E enhances system resilience by combining robust protection with intelligent data analytics. Its compact design and compliance with international standards (e.g., IEC 60255) further solidify its role as a trusted solution for critical power infrastructure.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | REF615E-E |
| Manufacturer | ABB |
| Product Type | Numerical Feeder Protection Relay (Relion® 615 Series) |
| Operating Voltage | 24–250 V DC/AC (wide-range power supply) |
| Current Inputs | 4 x 1 A or 5 A (secondary from current transformers) |
| Protection Functions | Overcurrent (inverse/time-definite), earth fault, phase imbalance, under/overvoltage |
| Communication Protocols | IEC 61850 (GOOSE, MMS), Modbus RTU/TCP, DNP3 |
| Operating Temperature | -40°C to 70°C (-40°F to 158°F) |
| Dimensions (WxHxD) | 144 mm x 144 mm x 105 mm (5.7 in x 5.7 in x 4.1 in) |
| Mounting | Panel mounting (flush or surface) with DIN rail adapter option |
| Protection Class | IP40 (front panel); IP20 (rear terminals, for cabinet installation) |
| Response Time | <20 ms (for high-set overcurrent faults) |
| Compliance | IEC 60255, IEC 61850-3, IEC 61000 (EMC) |
Key Features and Benefits
The REF615E-E distinguishes itself with adaptive protection algorithms that adjust to dynamic network conditions—critical in grids with high penetration of renewable energy, where load fluctuations are frequent. For example, its earth fault protection uses directional sensing to isolate faults in radial or meshed networks, avoiding unnecessary outages in healthy sections.
The REF615E-E distinguishes itself with adaptive protection algorithms that adjust to dynamic network conditions—critical in grids with high penetration of renewable energy, where load fluctuations are frequent. For example, its earth fault protection uses directional sensing to isolate faults in radial or meshed networks, avoiding unnecessary outages in healthy sections.
A standout advantage is its integrated data logging and event recording, which captures up to 500 fault events with time-stamping accuracy of ±1 ms. This data, accessible via ABB’s PCM600 software, simplifies post-fault analysis, reducing troubleshooting time for utility engineers. The REF615E-E also offers flexible configuration, allowing users to customize protection settings (e.g., time delays, current thresholds) without hardware modifications—ideal for networks undergoing expansion or reconfiguration.
Ruggedness is another key strength: the relay operates reliably in extreme temperatures (-40°C to 70°C) and resists electromagnetic interference, making it suitable for harsh environments like industrial plants or remote substations. Its IEC 61850 compliance enables seamless integration with digital substations, supporting future-proofing of grid infrastructure as utilities transition to smart systems.
Application Scenarios
The REF615E-E is widely deployed in medium-voltage distribution networks (10–35 kV) to protect feeders supplying industrial facilities, commercial complexes, and residential areas. In a manufacturing plant, for instance, it safeguards feeder circuits powering critical machinery, detecting overloads caused by equipment malfunctions and tripping selectively to avoid plant-wide shutdowns.
The REF615E-E is widely deployed in medium-voltage distribution networks (10–35 kV) to protect feeders supplying industrial facilities, commercial complexes, and residential areas. In a manufacturing plant, for instance, it safeguards feeder circuits powering critical machinery, detecting overloads caused by equipment malfunctions and tripping selectively to avoid plant-wide shutdowns.
- REF615 – Base model of the series, with simplified protection functions compared to the REF615E-E, suitable for low-complexity feeders.
- REF615E – Predecessor to the REF615E-E with limited protocol support (no IEC 61850 GOOSE), replaced for smart grid compatibility.
- REF611 – Compact feeder protection relay optimized for space-constrained cabinets, complementing the REF615E-E in small-scale distribution systems.
- REF650 – Advanced feeder relay with distance protection, designed to work alongside the REF615E-E in long-distance transmission feeders.
- RER620 – ABB’s recloser control relay that integrates with the REF615E-E to automate feeder restoration after temporary faults.
- REF615E-EE – Enhanced variant of the REF615E-E with built-in cybersecurity features (encrypted communication) for critical infrastructure.
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