ABB REF615 L User Manual

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GUID-5CB18A7C-54FC-4836-9049-0CE926F35ADF V1 EN
Figure 129: Trip curves at prior load 1 x FLC and p=50 %. Overload factor = 1.05.
1YHT530004D05 D Section 4
Protection functions
615 series 255
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