REF615C-D ABB Relion 615 Feeder Protection Control Relay
Manufacturer: ABB
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Part Number: REF615C-D
Condition：New with Original Package
Product Type: Feeder Protection Relays
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
ABB REF615C-D Relion 615 Series Feeder Protection Relay
The ABB REF615C-D, also cataloged as the REF615 Feeder Protection and Control Relay (full order code HCFFAEAGABC2BAA1XD), operates as a dedicated hardware component for feeder protection, control, measurement, and supervision within medium-voltage distribution platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | REF615C-D |
| Brand | ABB |
| Origin | USA / Finland |
| Weight | 1.0 kg |
| Dimensions | Standard 615 series withdrawable housing |
| Operating Temp | -25 deg C to +55 deg C |
| Power Consumption | Auxiliary power supply dependent (24-250 VDC / 110-240 VAC range) |
| Protection Functions | Overcurrent, earth fault, voltage, frequency, and directional protection |
| Communication Protocols | IEC 61850, Modbus, DNP3 |
| Display | Large graphical LCD HMI |
| Ingress Protection | IP54 (front panel), IP20 (rear terminals) |
Backplane Bus Communication Velocity and Firmware Compatibility
The relay module interfaces with substation automation bus architecture via Ethernet and serial communication channels, executing high-speed GOOSE messaging and process bus sampled values defined under the IEC 61850 standard. The withdrawable chassis design allows rapid mechanical insertion into the matching casing without disconnecting fixed field terminals. Embedded processing units maintain deterministic network synchronization to process overcurrent, directional earth fault, and voltage vectors continuously while preserving firmware flash compatibility across utility network control revisions.
Frequently Asked Questions
Q: How does the withdrawable design affect field maintenance and replacement?
A: The withdrawable plug-in mechanism contains automatic short-circuiting contacts for current transformer (CT) secondary circuits. This allows safe removal and insertion of the relay unit without disrupting active current loop wiring or de-energizing the main switchgear panel.
Q: What communication protocols are natively available on the unit?
A: The hardware supports native IEC 61850 substation bus architecture alongside Modbus and DNP3 industrial protocols for communication with supervisory control and data acquisition (SCADA) systems.
Q: What auxiliary voltage range does the internal power supply accept?
A: Depending on internal hardware ordering options, the wide-range power supply module accepts inputs spanning 24-250 VDC or 110-240 VAC to energize internal logic, trip relays, and the graphical user interface.
Field Installation Guidelines
Mount the relay casing securely into the panel cutout using standard mounting brackets to maintain IP54 sealing along the front bezel. Wire current and voltage transformer secondary circuits using shielded cables, routing them separately from auxiliary DC power and binary trip output wiring to avoid electromagnetic coupling. Connect the rear ground stud directly to the main station ground grid using a low-impedance conductor. Ensure all CT secondary wiring terminations remain properly torque-tightened before inserting the withdrawable relay cartridge into the case.