Asco 300 Series
Automatic (ATS) Transfer Switches
The ASCO Series 300 automatic transfer switch automatically transfers critical loads in the event of a power outage. Rugged construction and proven performance assure the user of many years of reliability. Features include true double-throw operation, Group G microprocessor controller, compact design, choice of enclosure, and numerous available options. UL1008 Listed.
Choose below for Single or Three Phase Voltage and optional Service Entrance Rating to find the perfect transfer switch for your application.
Service Entrance Rated
These ASCO Series 300SE Service Entrance Transfer Switches combine automatic power switching with a utility circuit breaker as a disconnect device – ideal for service entrance applications. UL1008 Listed and meets all NEC requirements for service entrance use. Rugged construction and proven performance assure the user of many years of reliability.
Not Service Entrance
These ASCO Series 300 Transfer Switches offer automatic power switching without the service entrance equipment for applications that already have service entrance equipment or don’t require it. UL1008 Listed. Also designed to handle the extraordinary demands placed on the switch when starting or restarting installed motors and switching high inrush loads.