Epoxy encapsulated design protects core & coil assembly from potentially damaging contaminants. Integrally molded terminal blocks with isolation barriers to prevent arc over, terminal blocks allow full access for ring terminals for easy installation and solid termination. Heavy gauge steel mounting feet. Available factory or field installed fuse blocks provide integral fusing on the primary or primary and secondary. Dual labeling for easy product identification when equipped with a fuse block. 55 degrees Celsius Temperature rise. 105 degrees Celsius Insulation Class. 200/220/440, 208/230/460, 240/480 Primary Volts; 23/110, 24/115, 25/120 Secondary Volts; 1 phase, 50/60 Hz.