Telecom Protection Devices - Fused Fused disconnect system for use with Telpower fuses Type TPL. Ratings: Volts:- 60Vdc Amps:- 70-800A SCCR: - 100,000A Features and Benefits: Single-pole fusible disconnect switch for primary dc power distribution. Robust housing and terminal construction for demanding applications. Panel mounting. Easily connected to line or load bus.