ABB, 1SVR750487R8300, Monitoring Relay With Selectable Trip Delay, 3-Phase Multi-Function, Series: CM-N, 350 to 580 V AC, 2 to 4 A, 50/60 Hz Frequency, 350 to 580 V AC Coil, 4 A at 230 V AC Coil, AgNi Contact, 2CO SPDT Contact Configuration, DIN Rail Mounting, Screw Terminal, LED Display, 0/0.1 to 30 s Tripping/200 ms Startup Delay Response, IP20/IP50 Enclosure, 85.6 mm H x 45 mm W x 104.8 mm D Dimensions