All units supplied with primary and secondary voltage link/jumpers All terminal blocks utilize a combination slot/Phillips #6 screw with a SEMS washer Coil face terminations utilize a 1/4 - 20 UNC x 0.50 in slot/Phillips screw and a spring lock washer Superior insulating materials Premium packaging which features premium fluted cartons and custom molded foam inserts Copper wound coils with high dielectric strength insulation All HPS Spartan® units are supplied with trilingual installation and wiring instruction sheets All HPS Spartan® transformers are vacuum impregnated with polyester resin and oven cured Bolted core construction 600, 575, 550 V primary volt 12 x 24, 11.5 x 23, 11 x 22 V secondary volt Primary and secondary voltage links/jumpers supplied standard with all transformers 40 deg C maximum Specifications Connection Type Screw Dimensions 3.78 in L x 3.7 in W x 3.4 in H Enclosure Type Open/Core and Coil Frequency Rating 60 Hz Insulation 130 deg C Maximum Amperage Rating 20.8/10.4 A Mounting Type Panel Phase 1 Power Rating 250 VA Primary Voltage 600 VAC Secondary Voltage 12/24 VAC Series Spartan® Temperature Rating 40 deg C Type Dry Type