Description
The ABB REF615C-D HCFCACABANB2BAN1XD is a next-generation IEC 61850-compliant feeder protection relay engineered for medium-voltage switchgear (up to 24 kV). As part of ABB’s Relion® 615 series, this “C” variant integrates advanced cybersecurity features with comprehensive protection functions, including directional overcurrent (67), earth fault (50N/51N), and arc flash detection (AFD). The ABB REF615C-D combines real-time fault recording with Synchrophasor measurements (IEEE C37.118) for grid visibility, while its modular I/O configuration (HCFCACABANB2BAN1XD suffix) supports 24 discrete inputs and 16 relay outputs. Dual Ethernet ports enable parallel IEC 61850-8-1 GOOSE messaging and MMS reporting, ensuring <3>
ABB REF615C-D HCFCACABANB2BAN1XD
Technical Specifications
| Parameter | Value |
| Product Model | REF615C-D (HCFCACABANB2BAN1XD) |
| Manufacturer | ABB |
| Product Type | Numerical Feeder Protection Relay |
| Rated Voltage | 48–250 V DC / 110–230 V AC |
| Protection Functions | Directional OC (67), EF (50/51N), Motor Stall, Arc Flash (AFD), Breaker Failure (50BF) |
| Communication | 2x Ethernet (IEC 61850-8-1/9-2LE), RS-485 (Modbus), USB |
| I/O Configuration | 24 DI, 16 DO, 4 AI (mA/V) |
| Arc Flash Detection | <2> |
| Measurement Accuracy | ±0.5% (V/I), ±0.1° (phase angle) |
| Operating Temperature | –40°C to +70°C |
| Dimensions | 177 x 204 x 147 mm (H x W x D) |
| Certifications | IEC 60255, IEEE 1613, SIL 2, KEMA |
Main Features and Advantages
Cybersecurity hardened: The ABB REF615C-D features hardware-based secure boot, role-based access (IEC 62351), and encrypted GOOSE messaging to thwart cyber intrusions. Audit trails log all configuration changes per NERC CIP.
Ultra-fast protection: Optical arc detection triggers zone-selective trips in <2>
Grid diagnostics: Onboard power quality analysis (THD, flicker) and disturbance recorder (128 samples/cycle) enable root-cause analysis. Synchrophasors monitor grid stability.
Engineering efficiency: Drag-and-drop logic in PCM600 software supports custom schemes. Plug-and-play IEC 61850 SCL files automate substation integration.
Application Field
The ABB REF615C-D HCFCACABANB2BAN1XD safeguards critical power infrastructures. Utilities deploy it for distribution feeder protection with GOOSE-based busbar blocking. Industrial plants use its motor stall function for crushers/conveyors, while arc flash detection secures switchgear rooms.
Renewable farms leverage voltage ride-through (VRT) capabilities for solar/wind grid compliance. Data centers utilize load shedding logic during generator transitions. Mining operations depend on its –40°C performance for remote substations.
Related Products
REC615: Basic feeder protection without arc flash.
REF615-E: Enhanced version with Ethernet APL.
CMUFO: External arc flash sensor.
REx640: Transformer protection relay.
SMT-10: RTD module for temperature monitoring.
HMI561: Local display for REF615C-D.
PCM600: Configuration software.
ABB REF615C-D HCFCACABANB2BAN1XD
Installation and Maintenance
Pre-installation preparation: Verify CT/VT ratios and IEC 61850 network segregation. Ground relay chassis to <0> Maintenance recommendations: Test AFD sensors biannually with UV flashlight. Validate GOOSE subscriptions after network changes. Update firmware annually via PCM600 with digital signatures.



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