Orion control transformer. Molded terminal blocks for primary and secondary connections, coil face termination. All terminal blocks utilize a combination slot or Phillips 6 screw with a SEMS washer. Coil face terminations utilize a 1/4-20 UNC x 0.5 inch combination slot or Phillips screw and a spring lock washer. Copper wound coils with high dielectric strength insulation. Vacuum impregnated with polyester resin and oven cured, bolted core construction, bolt-on mounting brackets. 300 VA CE rating, 11 lb height with finger guard, 50/60 Hz.