Features1PA66 MATERIAL: Made of premium Pa66 material, this solar combiner box is strong and sturdy, impact resistant and wear resistant, safe and reliable for long term use. 2EASY TO USE: IP65 waterproof and easy to install, and the transparent cover plate of the combiner box is also convenient for checking the status of the circuit breaker. 3APPLICABLE CABLE: Compatible with 5 to 10mm diameter cable, and 104 AWG cable, with a large space for wiring. 4APPLICABLE SCENARIOS: This combiner box is suitable for photovoltaic solar panel grid connected systems and solar off grid systems, solar power generation systems, etc. 5IDEAL REPLACEMENT: Wonderful replacement for the old and damaged parts, fine workmanship, attention to details, helps you improve the working efficiency!SpecificationItem Type: PV Combiner BoxMaterial: Pa66Waterproof Grade: IP65Circuit Breaker Information:Rated Current: 40ARated Voltage: DC1000VRated Limit Breaking Current Icu: 4KASurge Protector Information:Rated Current In: 20KAMaximum Current Imax: 40KAMaximum Continuous Working Voltage Uc: DC1000VVoltage Protection Level Up: Less than or equal to 3200VPackage List1 x Solar Combiner Box (2 Parts)1 x Electric Tape4 x Screw 4 x Wall Plug (Random Color)4 x Connecting Terminal