Rugged and reliable, CAST Journeymen® Series Dual-Tap 75VA Low Voltage Transformer comes with a built-in manual time clock Resin-sealed toroidal core. Ensures for the highest possible efficiency Full transformer capacity can be loaded into any single voltage tap Voltage taps of 12V & 15V, with optional 20V Secondary magnetic circuit breaker: 6 amp Stainless steel enclosure Photocell compatible 6.5" Tall x 3.75" Wide x 4.5" Deep Input: 120V, 60Hz Output: 12V, 15V, & optional 20V