ABB RET615 Transformer Protection and Control Relay

FAQ

Q1: What communication protocols does the RET615 support?
A1: RET615 supports IEC 61850, Modbus (RTU/ASCII/TCP), DNP3 (serial and TCP/IP), and IEC 60870-5-103 protocols.

Q2: What types of transformers can RET615 be applied to?
A2: RET615 is designed for two-winding power transformers and generator-transformer blocks in utility and industrial networks.

Q3: What are the key protection functions of RET615?
A3: RET615 offers transformer differential protection, high/low impedance REF protection, overcurrent protection, negative sequence protection, thermal overload, and arc fault protection.

Q4: Does RET615 support IEC 61850 GOOSE communication?
A4: Yes, RET615 supports IEC 61850-8-1 GOOSE messaging for fast and reliable peer-to-peer communication.

Q5: What are the dimensions and weight of the RET615?
A5: The device measures 177 x 177 x 194 mm and weighs 3.5 kg.

Q6: What mounting options are available for RET615?
A6: RET615 supports flush, semi-flush, 25° tilted, wall-mounted, and 19” rack mounting installations.

Q7: How many inputs and outputs does RET615 have?
A7: RET615 offers 7 analog inputs (including neutral current), 8 or 14 binary inputs, and 10 or 13 binary outputs depending on the configuration.

Q8: What is the supported auxiliary power supply range?
A8: RET615 supports auxiliary supply ranges of 24–250 V DC and 100–240 V AC at 50/60 Hz.