Powerpart Mains Consumer UnitPowerpart 10amp Consumer Unit This is ideal for van conversions and for people who are building their own caravans or motorhomes. Features And Benefits POWERPART Mains Consumer Unit Standard. Fitted with 25 Amp Residual Circuit Breaker and 10 Amp Double Pole Miniature Circuit Breaker. This gives you maximum security with mains electricity in your caravan. Height 181mm x Width 110mm x Depth 94mm