ASCO Series 300 Manual Transfer Switch

• Available for 150A to 1200A service

• Dual-operator configuration provides 3-position switching with center-off position

• Switch design prevents simultaneous connection to two power sources

• Meets NFPA 110 standards for Emergency and Standby Power Systems and NEC® Article 700.3(F)

• Transfer Switches listed to UL 1008 standard for optional standby transfer switches; Service Entrance configurations listed to UL 891

• Applications: Education, Healthcare, Government, Data Center, Telecom etc.

• 3-Position center-off switch is robust and easy-to-use

• Service Entrance configurations available