Compact, reliable, and UL 1008 listed, this automatic transfer switch uses molded case switches and a single motor operator for efficient source switching. Available in 150A to 1200A ratings with 2-, 3-, or 4-pole configurations, it supports up to 480VAC and offers optional overcurrent protection. NEMA 1 and NEMA 3R enclosure options make it suitable for both indoor and outdoor installations.