Product model: Solar panel combiner box, waterproof grade IP65, equipped with independent fuse, high voltage arrester, DC circuit breaker, with 4 series Solar connection lines, code lock Product parameters: photovoltaic box size: 17x23x11.5cm/6.7"x9"x4.5"; lock size: 24x54mm/0.94"x2" Performance: The combiner box is sturdy shell. rainproof, pressure-resistant, and flame-retardant; high-voltage arresters provide lightning protection; 15A fuses, good current limiting characteristics, and breaking High ability. 63A Breaker also has overvoltage and overcurrent protection, which can cut off and connect the load circuit, provide short-circuit fault protection. Simple wiring, Suitable for any conventional surface, can be easily compatible with any of solar panels. Application: Photovoltaic array combiner box, used for grid-connected/off-grid solar power generation system, solar panel connector system. When used in conjunction with solar panels, it supports normal operation of 12V, 24V, 48V systems; Packing: 1 Pcs solar panel combiner box, 1 Pcs lock, 4 Pcs mounting buckles + 4 Pcs screws