Control Unit, Compatible with Series CU300, Lighting Technology Fluorescent, Incandescent, LED, Communication Method Hard Wired, Input Voltage 120 to 277V AC, Output Voltage 24V DC, Output Current 250 mA, Compatible with Brand Hubbell Wiring, Includes Control Unit, Heavy Duty Relay, Latching, Lighting Controls, Occupancy Sensors, Switches, Standards ASHRAE 90.1, UL2043 Plenum Rated Per NEC(R) 2014 300.22 (C) (3), Overall Depth 4 in, Overall Height 1.73 in, Overall Width 3.4 in