Dimensions of 3-4 position distribution boxes

Typical 3-4 position distribution boxes have dimensions around 250–300 mm in height, 150–200 mm in width, and 80–120 mm in depth, depending on the manufacturer and mounting type.Standard DimensionsFor 3-4 module (position) distribution boxes, the dimensions generally fall within the following ranges:Height: 250–300 mmWidth: 150–200 mmDepth: 80–120 mm These boxes are designed to accommodate 3 to 4 MCBs or similar modular devices and allow sufficient wiring space for safe installation .Material and ConstructionTypically fabricated from 2 mm GI sheet steel or high-quality plastic for indoor applications .Doors may include 3-position locking systems for security.Boxes are reinforced with channels to maintain structural integrity and provide mounting points for busbars and MCBs .Mounting and ProtectionCan be wall-mounted or flush-mounted, depending on the design .Protection rating is usually IP-55 for outdoor boxes or IP-20/IP-30 for indoor plastic enclosures .Provision for earthing points on either side is standard.Additional FeaturesModular design allows easy addition or replacement of MCBs.Busbars and terminals are shrouded for safety.Some models include adjustable nuts and studs for easy installation and removal of the pan assembly . These specifications ensure that 3-4 position distribution boxes are compact yet provide adequate space for wiring, safety, and future expansion. For exact dimensions, it is recommended to refer to the manufacturer's datasheet for the specific model being used .