Introduction:
Electrical Enclosure Box Metal is made of high-quality cold roll steel,designed to be assembled with various electrical componets according to different control function requirement.
outdoor surface electrical distribution box quality requirements
Main control item
1. The test and adjustment results of the cabinet (pan) must comply with the construction specifications.
2. The metal frame and basic steel of cabinets, screens, tables, boxes and panels must be grounded (PE) or connected to zero (PEN) reliably; bare braided copper wire should be used to connect the openable door with electrical appliances and the ground terminal of the frame , Make a good mark.
3. The signs and frames on the disk are complete, correct and clear.
4. The insulation resistance value between lines and between lines and ground between cabinets (screens, platforms) and boxes (pans), the feeder line must be greater than 0.5 МΩ; the secondary circuit must be greater than 1 МΩ;
Commonly used outdoor surface electrical distribution box is made of wood and metal. Because the protection level of metal distribution boxes is higher, metal ones are more used.
Classified by structural characteristics and usage:
Fixed panel switch cabinet, often called switchboard or power distribution panel. It is an open switch cabinet with a panel covering. The front has a protective effect. The back and sides can still touch the live parts. The protection level is low. It can only be used in industrial and mining enterprises that require low power supply continuity and reliability. The transformer room is used for a centralized power supply.
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