Dimensions for installing a 48-position distribution box

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A typical 48-position distribution box measures approximately 600–800 mm in height, 400–600 mm in width, and 150–250 mm in depth, depending on the manufacturer and application.

Overview

A 48-position distribution box is designed to accommodate 48 modules or ports, commonly used in electrical distribution or fiber optic networks. These boxes are available for indoor and outdoor use, often with IP55 to IP65 protection to prevent dust and water ingress . They are typically wall-mountable or pole-mountable, with a lockable door for security and a rear splice or cable management area for organized wiring .

Typical Dimensions

While exact dimensions vary by manufacturer, standard 48-position boxes generally fall within these ranges:

Height: 600–800 mm
Width: 400–600 mm
Depth: 150–250 mm For example, the IDE CDP48PT IP65 distribution box is designed for 4x12 module configuration (48 modules total) and uses a TH35x7.5 DIN rail for mounting internal components . Fiber optic 48-port boxes, such as those used in FTTH networks, often feature a two-layer design with a rear splice area and front interconnect area, fitting within similar dimensions .

Material and Construction

Body: Cold-rolled steel or PC (polycarbonate) for durability
Door: Hinged and lockable, sometimes transparent for monitoring
Mounting: Wall or pole, with pre-drilled holes or brackets
Weatherproofing: Gaskets and sealed cable entries for outdoor use

Applications

Electrical distribution: Houses circuit breakers or modular components
Fiber optic networks: Supports up to 48 SC or LC ports, with space for splices and splitters
Commercial and residential buildings: Centralized distribution for multiple units or floors

Notes

Always check the manufacturer's datasheet for exact dimensions before installation, as variations exist between electrical and fiber optic boxes .
Consider IP rating, mounting type, and internal layout when selecting a box to ensure compatibility with your project requirements. These specifications provide a reliable reference for planning installations of 48-position distribution boxes in both electrical and fiber optic systems.

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