Edco FAS-TEL-DOT DOT Surge Protector.
The Emerson Edco FAS-TEL-DOT is a single pair telephone line protector that implement advanced three stage hybrid design. These units address overvoltage transients with gas tube discharge tubes GDT and silicon breakover devices. Additionally, sneak and fault currents are mitigated with PTC technology which consists of solid-state resettable fuses. The FAS-TEL-DOT is specifically designed for more rugged applications such as traffic cabinets.
FAS-TEL Series PDF