Key Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | REF611 HCBACB2AA1XE |
| Manufacturer | ABB |
| Product Family | Relion 611 series |
| Device Type | Feeder protection and control IED |
| Typical Application | MV feeder protection, industrial distribution, utility substations |
| Communication | IEC 61850 support; Modbus possible depending on configuration |
| Configuration Tools | LHMI, web-based HMI, PCM600 |
| Protection Functions | Overcurrent, earth fault, breaker failure, reclosing — configuration dependent |
| Measurement | Current, voltage, power, energy — depends on CT/VT inputs and configuration |
| Mounting | Panel-mount relay with pluggable terminal block |
| Condition | New surplus / Refurbished tested / Used |
| Warranty | 12 months |
Product Introduction
The ABB REF611 HCBACB2AA1XE is a feeder protection and control relay from the Relion 611 series. It is designed for radial, ring, and network distribution feeders in utility and industrial medium-voltage systems. The relay provides protection, control, measurement, event recording, and communication functions in a single IED.This unit supports IEC 61850-based substation communication and can be configured through the local HMI, web-based HMI, or PCM600. The exact protection functions, I/O count, communication ports, and power supply rating depend on the order code HCBACB2AA1XE. Because suffix codes define hardware options, all electrical ratings and port assignments must be confirmed from the physical nameplate and ABB documentation before installation.
Installation & Configuration Guide
Preparation (10–15 min)
- Photograph the relay nameplate, order code, serial number, and rear connectors.
- Confirm the order code reads HCBACB2AA1XE.
- Verify auxiliary supply voltage, CT/VT ratings, and communication requirements.
- Prepare insulated tools, ESD protection, and terminal labels.
Removal (5–10 min)
- De-energize auxiliary supply and isolate CT circuits safely.
- Short CT secondary circuits before disconnecting if required by site procedure.
- Label all wiring before removing terminal plugs.
- Release the mounting clamps and withdraw the relay carefully.
Installation (10–15 min)
- Inspect the panel cutout and mounting hardware.
- Insert the relay and secure the mounting clamps.
- Reconnect auxiliary supply, CT/VT, binary I/O, and communication cables.
- Verify Ethernet or serial port assignments match the configuration.
Power-On & Test (10–20 min)
- Measure auxiliary supply voltage before energizing.
- Power up the relay and check for self-test alarms.
- Verify measured values, LED indicators, and HMI display.
- Test binary inputs/outputs and communication handshake.
- Record firmware version, order code, and test results.
Troubleshooting Quick Reference
| Symptom | Likely Cause | First Check |
|---|---|---|
| Relay does not power up | Wrong auxiliary voltage or loose terminal | Measure supply at terminal block |
| Communication failure | Wrong IP, cable, or protocol setting | Check Ethernet link LED and IP address |
| False trip | Incorrect protection settings | Compare settings with approved configuration |
| CT measurement error | Open CT circuit or wrong ratio | Verify CT wiring and ratio settings |
| I/O not responding | Binary I/O not mapped | Check I/O matrix in HMI or PCM600 |
| Relay alarm active | Internal fault or configuration mismatch | Read event log and alarm list |
Dimensions, Mounting & Wiring Notes
- Dimensions: Not standardized across all order codes; measure H × W × D from the original unit.
- Mounting: Panel-mount relay with front bezel and rear clamps; pluggable terminal blocks.
- Terminal Notes: Confirm auxiliary supply polarity, CT/VT connections, and binary I/O assignments.
- Wiring Caution: Do not assume communication port type or I/O count from the base model. The HCBACB2AA1XE suffix determines hardware options.
FAQ
Is REF611 HCBACB2AA1XE still available new?
Not as regular OEM stock. Available units are typically new surplus, refurbished tested, or used. Condition is confirmed per batch.What does HCBACB2AA1XE mean?
It is the ABB order code that defines hardware, communication, I/O, and power supply options. Always verify it against the physical label.Can I replace it with any REF611 relay?
No. The order code must match. Communication ports, I/O count, and auxiliary supply may differ between variants.I need the exact datasheet — can you provide it?
Not directly. Always confirm electrical ratings, port layout, and firmware compatibility against the official ABB REF611 documentation for your unit.Does it support IEC 61850 GOOSE?
REF611 supports IEC 61850, but GOOSE capability depends on the specific configuration and firmware. Verify with the relay nameplate and ABB documentation.Do you test it before shipping?
Yes. Each unit undergoes visual inspection, nameplate verification, power-on test, HMI check, communication test, and I/O verification. Function is verified under test conditions.What is the lead time?
If in stock, shipment can usually be arranged within 1–3 business days. Non-stock items require separate confirmation.







