Key Features Made to Last: High-quality ABS and PC are not easy to wear, shock, and deform, giving this product robustness and longevity. Effective Output: It has two inputs and two outputs, together with a maximum current output of 25/40 amps, which greatly increases the efficiency of power utilization. Safe and Reliable: It has surge protection, overload protection, and lightning protection, as well as reliable DC components so that you can use it with more assurance. Waterproof and Impact Resistant: It has a high protection rating (IP65) and impact resistance rating (IK10) with flame retardant, which can effectively protect against water, dust, and UV rays, allowing it to be used in harsh environments. Application It is suitable for output protection of outdoor solar panels, motor homes, electric vehicles, UPS batteries, PV arrays, RV solar, and inverters, ideal for networked photovoltaic solar systems and off-grid solar power systems. Specification Material: PC, ABS Color: White, Black, Clear Mount Type: Wall-mounted Protection Rating: IP65 Impact Resistance Rating: IK10 Working Temperature: -25~55°C/-13~131°F Inputs: 2 Strings Outputs: 2 Strings Total Height: 28.5cm/11.22 in Product Size: 21*10*21cm/8.26*3.93*8.26 in Package Size: 25.8*22*12cm/10.16*8.66*4.72 in Gross Weight: 3kg/6.61 lbs Net Weight: 2.8kg/6.17 lbs 25A Maximum DC Short-circuit Current Per Input: 25A Maximum Current Output / Rated Current (Ue): 25A DC Circuit Breaker Model: 63DC 2P 25A 1000V DC Surge Arrester Model: SP-D2 2P 20-25KA 1000Vdc T2 Rated Insulation Voltage (Ui): 1000V Circuit Breaker: 63DC 2P 25A 1000V DC Surge Arrester: SP-D2 2P 20-25KA 1000Vdc T2 Applicable Cable: 4-16mm²/10-5AWG Cable Surge Protection: 20-25kA 2P DC1000V 40A Maximum DC Short-circuit Current Per Input: 40A Maximum Current Output / Rated Current (Ue): 40A DC Circuit Breaker Model: 63DC 2P 40A 1000V DC Surge Arrester Model: SP-D2 2P 20-40KA 1000Vdc T2 Rated Insulation Voltage (Ui): 1000V Circuit Breaker: 63DC 2P 40A 1000V DC Surge Arrester: SP-D2 2P 20-40KA 1000Vdc T2 Applicable Cable: 4-16mm²/10-5AWG Cable Surge Protection: 20-40kA 2P DC1000V Package Included 1* Solar Combiner Box 8* MC4 Terminals 1* Ground Wire All Accessories for Use Notes  1.Please check the specifications before purchasing.