PV DC Surge Protection Circuit Breaker Lightning Protection 500VDC Circuit Breaker 2 Pin 40A 20-40KA Solar Voltage Protection for Photovoltaic IP65 Wa 40A DC Circuit Breaker, No Polarity, IP65 Waterproof Housing, DC Surge Protection Allows Protection Element Replacement (MOV) Rated Voltage: DC 12-400V, Protection - and + Pole Adapter cable: 5-10mm diameter cable, 10-4AWG cable, large wiring space With IP65 waterproof and easy to install, the transparent cover also makes it easy to check the circuit breaker status. The circuit box is suitable for grid-coupled photovoltaic solar panels and off-grid solar power generation systems. Table PV. solar camper ------ Technical data: Model: HA4 SPD Bars: 2 pieces. Rated operating voltage: DC 12 ~ 400 V. Internal cable between SPD and MCB: 6mm² (10AWG), adapter cable: cable diameter 5-10mm, cable 10 to 4AWG. DC-SPD Protection level: Class II A[V]: DC440V Uc[V]: DC4400kV Up[kV] <4. In(Imax) [kA]: 20kA (40kA) DC MCB. Rated current: 40 A, cut-off capacity: 4 kA, ICU Trigger curve: C Mechanical life: 10,000 times. Electrical life: 4000 times Installation method: 35mm DIN rail Standard: IEC60898/GB10936 Operating temperature: -30°C to +80°C. Working height: 2000 m. Waterproof box. Waterproof rating: IP65. Material: ABS Dimensions: 140 x 160 x 100 mm.