Overview
Specification
| Parameter | Specification |
|---|---|
| Standard Configurations | Eight (A-H), varying in analog input types and protection scope |
| Analog Inputs | Current inputs (CT) per winding; optional voltage inputs (VT) for extended functions |
| Neutral Earthing Methods | High-impedance and low-impedance restricted earth fault (REF) options |
| Protection Functions | Differential (instant + biased), REF, overcurrent (phase, neutral, ground), undervoltage/overvoltage, breaker failure, arc flash (optional) |
| Communications Protocols | IEC 61850 Ed.2, Modbus®, DNP3, IEC 60870-5-103, Profibus DPV1 (via converter) |
| Time Synchronization | IEEE 1588v2, IRIG-B, SNTP |
| User Interface | Local HMI with graphical display; web-based HMI; role-based user authentication levels |
| Design / Mounting | Withdrawable unit; compact form factor; suitable for industrial & utility substations |
FAQ
Q1: Is the ABB RET615 new and original?
A1: Yes, it is factory-original and brand new, with current stock available.
Q2: How long until you ship it?
A2: We dispatch within 3 days to 2 weeks depending on order size; we commonly use DHL or similar couriers.
Q3: What if it has defects or fails in quality?
A3: We support 30-day returns if you find any verified quality issue.
Q4: Does the RET615 support restricted earth fault protection without external stabilizing resistors?
A4: Yes, RET615 supports low-impedance REF without the need for stabilizing resistors or varistors.
Q5: Can I configure voltage inputs for both windings?
A5: Yes, you can order the version with VT inputs (standard configuration B etc.) to enable voltage-based protection and measurement.
Manual/Datasheet PDF
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