DC switch-disconnectors 16...800 A Simply optimal The OTDCP range of enclosed switch-disconnectors from 16 to 800 Amperes is specially designed for DC applications. Thanks to a compact design, efficiency and reliability, OTDCP switches bring PV installations to the next level. The versatile OTDCP portfolio includes solutions for installations with the most special requirements: 1500 V DC voltages, multi-circuit switching and combined load outputs up to 1500 A.