ABB RET615C_E Transformer Protection and Control Relay

Product Description
The ABB RET615C_E (Model: HCTJBABAABC2DNN11E) is a transformer protection and control relay, part of ABB’s Relion® 615 series. Designed as a compact and withdrawable unit, it provides reliable protection, control, and monitoring for medium-voltage transformers in both utility and industrial power distribution systems. Its robust construction and versatile functionality make it well-suited for demanding electrical environments, while its withdrawable design streamlines installation and maintenance.

Key Technical Specifications

• Product Type: Transformer Protection and Control Relay

• Model Number: RET615C_E HCTJBABAABC2DNN11E

• Manufacturer: ABB

• Dimensions (W × H × D): 177 × 177 × 153 mm (case)

• Weight: ~3.5 kg

• Power Supply: 100–240 V AC/DC, 50/60 Hz

• Communication Protocols: IEC 61850, Modbus, DNP3, IEC 60870-5-103

Protection Functions

• Transformer differential protection

• Overcurrent protection (time and instantaneous)

• Earth fault protection

• Thermal overload protection

• Overexcitation (V/Hz) protection

• Optional arc protection