Description
Note: Many products are not yet listed. Please contact us for more product information. Our supply channels are constantly expanding, and we currently have 20 stable shared supply channels. Please confirm the model, product, price, and all other necessary information with customer service before placing an order. We offer new, refurbished, and used products, and prices are adjusted according to the year of the item you require.
Product Introduction
When your utility substation or industrial power distribution system needs ultra-reliable feeder protection and control performance to ensure the safe and stable operation of distribution feeders, this device acts as the core protection and monitoring hub for the distribution feeder.
It belongs to ABB’s industry-leading Relion 615 series protection relay family, integrating complete overcurrent, over/under voltage, frequency, phase unbalance protection functions, and supports optional multi-cycle automatic reclosing for overhead line scenarios. Its built-in high-precision fault location algorithm achieves ±2.5% fault location accuracy for phase-phase and phase-ground faults, helping maintenance teams quickly pinpoint fault points and reduce power outage duration. The fully configurable digital I/O design and rich industrial communication protocols enable seamless interconnection with various substation automation systems.
REF615E-E
REF615E-E
REF615E-E
Key Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | REF615E-E (REF615E_E HBFHAEAGNBA1ANN11E) |
| Product Type | Feeder Protection & Control Intelligent Electronic Device (IED) |
| Compatible Scenarios | Utility substation, industrial plant medium-voltage distribution feeder systems |
| Control Power Supply | 100–240 V AC/DC universal wide-range power supply |
| Current Input | 1 A / 5 A secondary CT configurable |
| Operating Frequency | 50 Hz / 60 Hz global standard dual-mode support |
| Fault Location Accuracy | ±2.5% for phase-phase and phase-ground faults |
| Standard Digital I/O | 8 freely configurable digital inputs, 9 freely configurable digital outputs |
| Extended Digital I/O | Up to 12 digital inputs, up to 8 digital outputs (optional expansion) |
| Protection Functions | Overcurrent, over/under voltage, frequency, phase unbalance protection |
| Optional Feature | Multi-cycle automatic reclosing (for overhead line applications) |
| Communication Protocols | IEC 61850, Modbus RTU/TCP, DNP 3.0, IEC 60870-5-103 |
| Disturbance Recording | Built-in fault waveform capture and sequence-of-events (SOE) logging |
| Country of Origin | Switzerland (ABB European factory production) |
| Installation Method | Standard panel or DIN rail mounting for substation control cabinets |
| Net Weight | ~2.3 kg |
| Operating Temperature Range | -25°C ~ +70°C |
Field Application & Technical Pitfalls
Critical Industrial Scenarios
- **Urban Utility Substation Medium-Voltage Feeder Protection: Acts as the core protection and control unit for 10kV/20kV medium-voltage feeders in urban distribution substations, quickly clearing feeder faults, accurately locating fault points, and ensuring the reliability of urban power supply.
- **Large Industrial Plant Internal Distribution Network Protection: Delivers reliable feeder protection performance for large manufacturing and petrochemical plant internal medium-voltage distribution systems, adapting to harsh industrial site environments, meeting the 24/7 continuous operation requirements of industrial production.
- **Renewable Energy Station Collector Line Protection: Adapts to distributed photovoltaic/wind power station scenarios, providing protection and monitoring for feeder collector lines, supporting the stable grid-connected operation of renewable energy power generation systems.
Non-Negotiable Technical Pitfalls
- ⚠️ Bold Warning 1: Never arbitrarily modify the protection setting values without completing the upper-level protection coordination verification. Unreasonable overcurrent protection settings will cause unnecessary tripping of the upper-level distribution protection, expanding the scope of the power outage.
- ⚠️ Bold Warning 2: Skipping the pre-commissioning full CT ratio and line impedance parameter verification will leave you with hidden fault location deviation. This unit must confirm the line parameters fully match the actual field situation to ensure ±2.5% fault location accuracy.
- ⚠️ Bold Warning 3: Do not enable the automatic reclosing function on cable distribution feeders. Reclosing on permanent cable faults will cause secondary impact damage to the cable insulation, shortening the service life of the cable line.
A large petrochemical plant maintenance team once swapped a REF615E-E relay and skipped the protection coordination verification. The hidden mismatched overcurrent setting caused the upper-level main transformer protection to trip incorrectly, resulting in a 1.5-hour partial power outage in the production area.
Quality Control (QC) SOP & Transparency
- Inbound Verification: Cross-check the OEM serial number against ABB’s official Relion 615 series part registry, confirm the part number REF615E-E matches the factory label, and inspect no damage or deformation on all wiring terminals and communication ports.
- Live Rig Testing: Power the unit in a calibrated ABB protection relay test bench, apply standard three-phase test voltage and current, and confirm full 2-hour continuous stable protection operation.
- Parameter Testing: Verify all protection function trigger thresholds meet factory specifications, confirm fault location accuracy meets ±2.5% standard, and validate all status LED indicators function properly.
- Final QA & Packaging: Seal the tested device in a static-shielding anti-static bag, attach a unique QC passed serial label, and nest it in foam padding inside a rigid industrial shipping carton.
Frequently Asked Questions (FAQ)
- Can I hot-swap the communication wiring while the device is running? Yes, but you must first confirm that the corresponding communication port is not in active data transmission, otherwise you will trigger temporary SCADA communication interruption alarms.
- What exact systems is this device compatible with? It works natively with ABB Relion series substation automation systems, and can seamlessly connect to standard IEC 61850/Modbus/DNP 3.0 protocol SCADA platforms.
- How long is the standard warranty for this new surplus unit? 12 months from delivery. It covers all manufacturing defects, but does not extend to units damaged by miswiring, overvoltage, or improper protection setting in the field.
- How do I tell a genuine OEM unit apart from a refurbished clone? Genuine ABB REF615E-E devices have a laser-etched part number on the housing, not a printed sticker. Clone units almost always fail the full ±2.5% high-precision fault location performance test.
- What is the typical lead time for shipment? In-stock units ship within 48 hours. If you require official ABB factory calibration test documentation, add 2 extra business days to the turnaround window.
- Can this device replace the older REF5xx legacy feeder protection relay unit? Well, technically it supports the same standard panel installation dimensions, but you will need to reconfigure the protection logic and communication point table in the SCADA system to ensure full system compatibility.
