Overview:

The RET615 is a transformer protection and control relay designed for two-winding power transformers. It integrates protection, control, measurement, and supervision in a compact unit. Suitable for utility and industrial systems, it features fast differential protection with high inrush stability.

Technical Specifications

◦ Protection: Transformer differential, voltage protection, and measurement.

◦ Neutral Earthing: Supports high-impedance and low-impedance earth-fault protection.

◦ Optional Features: Arc protection, high-speed outputs.

◦ Communication: IEC 61850, Modbus, DNP3, IEC 60870-5-103.

◦ Time Sync: IEEE 1588 V2 for accurate synchronization.

◦ Display: Customizable SLDs on a graphical display.

◦ Installation: Withdrawable plug-in unit.

◦ Service: Extensive life-cycle support.  

◦ Net Weight: 0.159 kg

◦ Depth / Length: 28 mm

◦ Height: 135 mm

◦ Width: 67.5 mm