Fast Shipping On All Items 30 Days Money Guarantee Customer Support Excellent Service 100% Satisfaction Satisfaction Guaranteed 4 in 1 Out 15A 4 String Solar PV Array Plastic DC Combiner Box,4Pair Solar Connectors, Lightning Surge Protection, 63A 6Ka MCB Lock Indicator,Waterproof Ventilation Valve Specification Item Weight 4.38 pounds Item model number BM-PV4-valve Package Dimensions 11.5 x 9.13 x 5.12 inches 9.13 inches x 11.5 inches x 5.12 inches. Weight: 4.38 lb Item Description 4 String PV Combiner Box with 3 Digit Combination Lock,suitable for photovoltaic on-grid/off-grid solar power generation systems, solar panel systems, PV array, RV solar power, home solar panel systems. It can support solar panel systems up to 720W in 12V system, 1440W in 24V system, 2880W in 48V system Configuration:10Awg Cables;6pcs*15A DC Fuse;32A Fuse Holder Base.The fuse base has an LED indicator, if the fuse is burned out, the LED will light up;Surge protection device with max 40KA;DC 500V 63A 2 Pole DC Miniature Circuit Breaker. It has short circuit/lightning surge/over-voltage/over-current protection/grounding protection to avoid damage to photovoltaic panels and inverters when fault occurs Advantages:Solar PV combiner shell is IP65 waterproof dustproof. The sturdy shell is made of ABS plastic material, insulating, moisture-proof, has no dripping; It has impact resistance and high break resistance, keeping your equipment well protected in harsh environment.The wiring adopts wiring blocks, which are safe, clear and concise Applications:The combiner box is a perfect device for outdoor installation and use. Suitable for photovoltaic on- grid/off-grid solar power generation systems, solar panel systems, PV array, RV solar power, home solar panel systems Packaging:1pc PV Combiner Box+1pc 3 Digit Security Lock+4pcs Mounting Buckle+4pcs Screw+4pcs 15A Fuse+4sets Connector+4sets Expansion Screw+1pc User Manual Specification *No. of Max. PV array: 4 *Box dimension: 9.66?x6.69?x4.33? (230*170*110mm) *System maximum dc voltage:550V *Max Input Current of Single PV Array: 15A *Total input current of PV array: 60A *Number of output strings:1 *Nominal discharge current:20KA *Maximum discharge current:40KA *Voltage protection level:2.8KV/3.8KV *Max Input Voltage of Single PV Array:600V *Max Output Voltage:600V *Box material:ABS *Installation method:Wall mounting type *Operating Temperature:-30?~+70? *Relative Humidity: 0-95% * Surge Lightning Protection: Yes * Waterproof Grade: IP65 *Weight:4.41lbs(2kg) P.S.: Waterproof IP67 ventilation valve can be dustproof, breathable, heat dissipation. Package Includes: 1 x 4 String PV Combiner Box 4 x Solar Connectors 1 x Earthing Cable 4 x Mounting Buckles 4 x Expansion Screws 4 x Screws 1 x Security Lock 1 x User Manual Installation Maintenance 1. Usage instruction: connect solar panel positive and negative with box input port respectively, please switch the DC MCB at ON. Suggesting to use the cable that more than 10mm2. 2. Don?t connect PV input and output port reverse, otherwise the output equipment couldn?t work normally, moreover damage other equipment. 3. When maintain or test this combiner box, please notice the input and output port may with power, please be careful of electric shock or damage other equipment. 4. After thunder weather, please check the anti-thunder module, if the malfunction indicator is red, please replace the module in time. 5. Please use bolt fixed the 4 holes on the combiner box bottom to install it. Please install at aeration drying place, avoid direct sunshine, high environmental temperature and moisture influence equipment function. 6. This combiner box connects with the ground line to prevent thunder damages equipment and solar panel Return Policy ? We guarantee against any defective or misrepresented products. The original shipping label must be sent back to us to validate the return. A full refund can only be issued during the first 30 days upon receipt of the product. ? Returns will be voided if the product is mishandled or physical damaged by customer. ? Buyer will be responsible for all kind of return shipping/shipment to the seller for resolving the problem. ? Returns made for all non-defective, undamaged products are subject to a 15% restocking fee. Shipping and handling fees are absolutely non-refundable. If an item is returned to us due to an address issue, we do charge a reshipping fee to reship. If you would like a refund, there will be a 15% restocking fee applied. ? All returned products need to be assigned an RMA # (Return Merchandise Authorization #) prior to return. Please contact us through's messaging system to obtain an RMA# for the return. Any returned product without an RMA # on package will not be accepted or processed. ? Please contact us before returning. Feedback ? We appreciate your feedback and our system will automatically leave feedback for you after bid ends. ? Please contact us through message center if you have any problems, we will always try our best for 100% customer satisfaction. Payment Options Shop With Confidence