Phase Monitor Relay Base Shape Octal Contact Form SPDT Contact Rating (AC) 10 A @ 277V Contact Rating (DC) 7 A @ 30V Current Rating 10 A Input Voltage 480V AC Monitored Parameters Phase Loss Phase Reversal Undervoltage Number of Pins 8 Restart Auto Restart Time Delay 1 sec Mounting Style Plug-In Body Depth 2.9 in Body Height 2.4 in Body Width 1.7 in Electrical Operating Durability 100 000 For Use With Sensors Frequency 50/60 Hz Maximum Operating Temperature 149 Degrees F