Phase Monitor Relay Contact Form DPDT Contact Rating (AC) 10 A @ 277V Contact Rating (DC) 10 A @ 30V Current Rating 10 A Input Voltage 190 to 500V AC Monitored Parameters Overvoltage Phase Loss Phase Reversal Phase Unbalance Undervoltage Number of Pins 12 Restart Auto Manual Restart Time Delay 1 to 300 sec Mounting Style DIN Rail Body Depth 2.4 in Body Height 3.5 in Body Width 2.1 in Electrical Operating Durability 100 000 For Use With Sensors Frequency 50/60 Hz