1、Flame Retardant: Adopts premium PC material, this waterproof distribution box is environment friendly and flame retardant, heat resistant self extinguishing housing, high strength insulation, safe to use. 2、High Temperature Resistant: Circuit breaker distribution box can work normally under high temperature, anti corrosion, anti aging, has a long service life. 3、IP66 Waterproof: This PC distribution protection box is highly waterproof nd dustproof, suitable for various indoor outdoor using environment， provide effective protection for wire and cable. 4、Installation Specification: The hole can be opened at will according to the customer's needs, with complete specifications and convenient installation. Installation hole spacing is 15cm, 5.3cm. Inlet and outlet hole position is 2.5cm. 5、Applications: Distribution box is applicable to electrical and electronic control equipment, marine petrochemical industry, large factories, coastal factories, terminal processing facilities, and various natural disaster prevention equipment in harsh industrial environments. Item Type: PV Distribution Box Product Size: 20.4x10x10.8cm / 8.0x3.9x2.1in Material: PC Gross Weight: 438g / 15.5oz Installation Hole Spacing: 15cm / 5.9in, 5.3cm / 2.1in Waterproof Grade: IP66 waterproof Inlet and Outlet Hole Position: 2.5cm / 1.0in 1 x Outdoor Distribution Box