This UL 1008 listed automatic transfer switch is built for seamless power transfer in demanding environments. Available with fixed-mount or draw-out insulated-case switches, it offers amperage ranges from 800A to 4000A in 3- or 4-pole configurations. Supporting up to 480VAC and optional overcurrent protection, it ensures reliable performance and safety. Choose from NEMA 1 or NEMA 3R enclosures for flexible indoor or outdoor installation.