MH Ballast - 20W - M156
This Mini case 20W, 120/277V ballast with bottom feed with studs provide easy installation, even if remote mounted. It features superior line and lamp voltage regulation due to advanced microprocessor control and superior reliability with patented Half Bridge technology. Since 1985, Hatch has been the recognized market leader in the design and manufacture of premium power ballasts and lighting products. The Hatch MC20-1-J-UNNU electronic metal halide ballast is no exception.