ABB REF615 L User Manual

phases with a separate line or terminal, only one
conductor is represented.
SLD Single-line diagram
SMT Signal Matrix tool in PCM600
SNTP Simple Network Time Protocol
SOTF Switch on to fault
ST Connector type for glass fibre cable
SW Software
TCP/IP Transmission Control Protocol/Internet Protocol
TCS Trip-circuit supervision
Tx Transmit/Transmitted
UTC Coordinated universal time
VT Voltage transformer
WAN Wide area network
WHMI Web human-machine interface
Section 17 1YHT530004D05 D
Glossary
886 615 series
Technical Manual

ABB REF615 L Specifications

General

Type	Feeder Protection Relay
Rated Frequency	50/60 Hz
Weight	Approx. 1.5 kg
Communication Protocols	IEC 61850, Modbus RTU, DNP3
Protection Functions	Overcurrent, Earth fault, Thermal overload, Under/Over voltage, Under/Over frequency
Enclosure	IP20