D0 as Neozed system in ceramic design, according to DIN0636-3, gG - full-range cable and line protection / full-range protection for general purposes, nominal voltage 400V AC / 250V DC, contact cap for PSI D01 2A to PSI D02 35A: nickel-plated, contact cap for PSI D02 50A to PSI D02 63A: silver-plated, breaking capacity: AC 50kA, DC 8 kA, operating frequency: 45 to 62 Hz