LET-75W 12/277 Volt AC Electronic Class 2 remote transformer is used to power 12 volt AC lighting systems. Maximum load: 75 watts. Minimum load with dimmer: 10 watts. Minimum load with dimmer: 20 watts. Output: 11.5 volts AC, 6.25 amps. Input: 277 volts AC, 50/60Hz, 0.27 amps. Output leads: two blue 14 AWG wires. Input leads: one white 18 AWG wire (neutral) and one black 18 AWG wire (hot). Power factor: 0.95. Short circuit protection with electronic internal resettable protection. Overload protection with patented auto-heat regulation. Auto-reset with thermal cut off. UL listed. Dimensions: 2.5 inch length x 1.3 inch width x .75 inch height. Dimmable using a low voltage electronic dimmer. 3 year warranty.