FeaturesElectrostatic shield standard on all 3-phase units and single phase units over 0.5 kVAAll units are encapsulated with electrical grade silica and resin compounds which completely enclose the core and coil to seal out moisture, airborne contaminants and eliminates corrosion and deteriorationRear and side entry into an easily accessible and roomy wiring compartmentInstallation made quick and easy via keyhole mounting slotsRugged potted construction for use in harsh environments comes standard with ABS(American Bureau of Ships) and Class 1, Div. II, groups A, B, C and D ratings and a North American Temperature Classification of T3C