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Help CenterABB REF615C_E HCFFAEAGANB2BAA11E – Feeder Protection & Control Relay for Medium-Voltage Distribution
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Warranty: 365 days
Delivery: 1 week if in stock; no more than 1 month at the latest
Payment: 50% advance payment, full payment before delivery
Express Options: FedEx, UPS, DHL
Feeder protection functions – Time/instantaneous phase overcurrent (50/51), earth-fault protection (50N/51N), negative-sequence protection, and thermal overload to safeguard radial feeders.
Breaker control & autoreclose – Integrated CB control, synch-check (variant dependent), and autoreclose functions to shorten outage times on transient faults.
Advanced logic and programmability – IEC 61131-style logic blocks allow tailoring of schemes without auxiliary relays; handy for interlocks and special trip conditions.
Event, disturbance and fault records – High-resolution oscillography and SOE logs make fault analysis faster and reduce guesswork after trips.
Modern communications – Typically supports IEC 61850 (incl. GOOSE); many variants also offer Modbus, DNP3, or IEC 60870-5-103 to fit mixed-protocol substations.
User-friendly HMI – Clear front-panel display with LED indications and function keys; operators usually pick it up quickly during commissioning.
Arc-flash mitigation (optional) – Supports light detection inputs in many configurations to trip faster on internal arc conditions.
Flexible CT/VT inputs – 1 A/5 A current inputs and standard MV voltage inputs; makes replacement in existing switchgear straightforward.
Quality and environmental robustness – Designed for MV utility conditions with wide temperature range and EMC immunity suitable for harsh substations.
| Brand / Model | ABB REF615C_E HCFFAEAGANB2BAA11E (Relion 615 series feeder protection relay) |
| HS Code | 85364900 (protective relays) |
| Power Requirements | Typically 110–240 V AC / 48–250 V DC auxiliary supply (variant dependent) |
| Dimensions & Weight | Approx. 177 × 177 × 160 mm; ~2.5 kg (varies by configuration) |
| Operating Temperature | –40 °C to +55 °C (typical for 615 series; storage up to ~+70 °C) |
| Signal Inputs/Outputs | 3-phase CT inputs (1 A/5 A), VT inputs for MV measurement; multiple binary inputs/outputs (counts and thresholds depend on order code); trip/close outputs for CB control. |
| Communication Interfaces | Ethernet 100Base‑TX (RJ45); front USB service port; optional serial (RS‑485) in some variants; protocol options commonly include IEC 61850 (GOOSE), Modbus, DNP3, IEC 60870‑5‑103 (per order code). |
| Installation Method | Panel flush mounting in protection cubicles; rear terminal wiring; designed for standard MV switchgear feeder compartments. |
The REF615C_E is typically deployed on radial MV feeders in:
Utilities: primary/secondary substations, ring-main units, overhead line feeders with autoreclose
Industrial plants: metals, mining, oil & gas, chemicals, cement, and large manufacturing feeders
Data centers and campuses: main-tie-main and sectionalized MV distribution
Renewables and IPPs: collector feeders and intertie protection where IEC 61850 integration is desired
A common scenario we hear: a plant upgraded to the REF615 and cut fault-finding time by half thanks to clear disturbance records and meaningful event logs. It seems to be one of those upgrades that saves hours during the first unplanned outage.
Reliability that reduces nuisance trips – Stable algorithms and proper filtering help keep operations smooth during switching and inrush.
Easy retrofit – Flexible CT/VT inputs and panel cut-out options shorten outage windows for replacements.
Wide protocol support – IEC 61850 and legacy protocols allow you to keep existing SCADA while planning future upgrades.
Lifecycle support – Firmware tools, spare modules, and ABB’s service base support long-term asset management.
Total cost control – Faster commissioning and fewer external aux relays often translate to lower installed cost.
Panel/cabinet – Install in a clean, ventilated MV protection cubicle. Maintain adequate front clearance for HMI access and rear clearance for wiring.
Wiring practices – Use shielded twisted pairs for low‑level signals; segregate CT/VT wiring from Ethernet; verify CT polarity and VT ratios before energization.
Grounding – Bond the relay and panel grounds at a single point to minimize EMC issues; follow utility grounding practices.
Commissioning – Secondary injection for 50/51/50N/51N, check CB command outputs, validate scheme logic and interlocks, and confirm SCADA mapping.
Routine maintenance – Back up settings after each change, review event/fault logs quarterly, clean front panel, and update firmware when ABB releases tested packages.
Accessories (commonly used) – ABB Combitest test switches (e.g., RTXP 24) for safe secondary injection; front USB cable for configuration; appropriate Ethernet patching for IEC 61850 networks.
CE marked; designed to meet relevant IEC protection and EMC standards for MV substations
RoHS compliant manufacturing; ISO 9001 quality systems at factory level
UL/cUL availability for many 615 variants (confirm against the exact order code)
Manufacturer’s warranty applies; our supply warranty coverage: 365 days
One thing I appreciate is how the REF615C_E balances modern IEC 61850 features with practical relay engineering. If you share the exact option string requirements (that HCFFAEAGANB2BAA11E code defines I/O and protocol details), we can verify the precise auxiliary supply, I/O counts, and communication profile before shipping.
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