Power Rating 10 Kilo Volt Amp - NEMA Enclosure Type 3R - Full Capacity Taps 2-5 % FCBN - Temperature Rise 115 Degrees Celsius - 480 Volts Primary - 120/240 Volts Secondary - Primary Main Circuit Breaker FAL24040 - Secondary Main Circuit Breaker QO260 - Feeder Breakers Maximum Number 1 Pole 10 Or 2 Pole 5 - Maximum Amps 40 - UL Listed - Suitable For Use As Service Equipment