HBL100AITSSB Hubbell 25kVA 60 Hz Isolation Transformer, With ISO-Boost Model: HBL100AITSSB UL listed, CSA certified and UL-3R enclosures meets or exceeds all listing criteria including NEMA, ANSI and OSHA standards Shielded for cleaner power Encapsulated and completely enclosed design electrical grade silica and resin compounds completely enclose the core and coil to seal out all moisture and air. UL Type 3R enclosure for indoor or outdoor service. Encapsulation eliminates corrosion and insulation deteriorat

Hubbell