This product features a shell made of high-quality PS, ABS, or flame-retardant materials (optional), ensuring durability and safety. It has a protection level of IP40, providing basic dust-proof performance while maintaining reliable operation. SELHOT's plastic power distribution boxes (plastic distribution boards) are impact and oxidation resistant, making them ideal for use in waterproof and dustproof environments. They are widely utilized in various fields, including solar energy photovoltaic systems, outdoor lighting installations. Plastic distribution box has the following characteristics: waterproof, dustproof, acid-resistant, alkali-resistant, impact-resistant, explosion-proof, anti-ultraviolet radiation, insulation non-conductive and other excellent characteristics, and is widely used in outdoor terminals, ports, field. SMICO is a distribution box manufacturer and our circuit breaker protection box casings are made of plastic material and are waterproof. Parameter: 24-hour maximum ambient temperature: 35℃ Ambient temperature: -5°C to +40°C Relative humidity: ≤ 50% at 40°C, ≤ 100% at 25°C Rated voltage: Un=400V. is made of ABS engineering plastic. With semi-transparent sight glass, the product looks elegant and generous in diferent installation environments. Key features include: dust-proof design, easy. An apartment switchboard or, to give it its full name, an apartment switchgear box, is a module in which individual circuits are distributed in the electrical system of a given apartment as mentioned above and circuit breakers are then fitted on these circuits. There are two types of apartment.