Product Details:
| Product Series | REF615 |
| Relay Type | Protection Relay |
| Coil Voltage | 24 V DC |
| Contact Configuration | 2 C/O |
| Contact Current | 25 A |
| Mounting Type | Panel Mount |
| Auxiliary Contacts | 2 NO + 2 NC |
| Suitable For | Feeder Prot., Process |
| Country Of Origin | India |
The ABB REF615 is a dedicated, IEC 61850-compliant numerical feeder protection relay within the Relion® 615 series, designed for protection, control, and measurement of utility and industrial power systems. It features configurable protection functions, including overcurrent, voltage, and thermal overload protection, with support for communication protocols like IEC 61850, Modbus®, and DNP3. ABB ABB +3 Key Technical Specifications & Features Application: Primary protection for overhead lines and cables, and backup protection. Standard Configuration: Available in multiple standard configurations for different substation needs. Protection Functions: Includes overcurrent (short-circuit), thermal overload, earth fault, and optional arc protection. Measurement & Recording: Provides comprehensive metering, fault recording, and up to 100 event logs. Communication: Supports IEC 61850 (including GOOSE messaging), Modbus, DNP3, and IEC 60870-5-103. Hardware: Features a compact 4U height design (177 mm) for flush mounting. Operating Voltage: Supports a wide range, typically 24V DC to 230V AC/DC. ABB ABB +7 Key Variants (IEC vs. ANSI) REF615 IEC (Config L/N): Supports conventional current/voltage transformers (N) or combi-sensor inputs (L). REF615 ANSI: Tailored for North American standards with specific application options. ABB ABB +4 Core Capabilities Protection: Short-circuit, time overcurrent, thermal overload, and earth fault protection. Control: Circuit breaker control with basic interlocking. Monitoring: Includes circuit breaker condition monitoring, trip circuit supervision, and self-supervision. Installation: Features a removable plug-in unit design for easier installation and testing.
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