Distribution Box System Dimensions and Specifications Table

Distribution boxes vary by type, number of ways, dimensions, material, and protection rating, with specifications tailored for industrial and outdoor applications.Overview of Distribution Box TypesDis...

Distribution Box System Dimensions and Specifications Table

Distribution boxes vary by type, number of ways, dimensions, material, and protection rating, with specifications tailored for industrial and outdoor applications.

Overview of Distribution Box Types

Distribution boxes are designed to centralize electrical or data connections, providing protection, organization, and easy maintenance. Common types include TOP-TS, TOP-TF, TOP-LS, TOP-PS, TOP-PF, and TOP-S, ranging from 1-way to 36-ways . They are used in industrial, automation, and processing environments, with options for indoor and outdoor installation .

Typical Specifications

FeatureSpecification
Material2 mm GI sheet steel (outdoor) or UL-compliant plastics (industrial)
Protection RatingIP55 (outdoor), IP67 (industrial, dust/water resistant)
Dimensions (L x W x H)Varies by type: 65 x 65 mm up to 361 x 254 mm; height depends on cover type
Number of Ways1-way to 36-ways
Cable EntryBottom entry with heavy-duty, double compression cable glands; standard cable lengths: 1M, 2M, 3M, 4M, 5M, 10M
Bus BarsCopper flat 25x4 mm with insulation tubing or phase-colored paint; provision for 1 bus bar with 4-pole MCCB and outgoing feeders
Locking SystemGodrej 3-position locking system; optional manual lock; concealed hinges for security
EarthingTwo solid earthing points on either side
IndicatorsOptional LED indicators for power and function (industrial boxes),
MountingWall-mounted or panel-mounted; mounting sizes vary by box type
Environmental ResistanceOil-resistant, vibration-resistant, suitable for harsh industrial conditions

Notes on Construction and Installation

  • Outdoor boxes have slanted roofs with 50 mm overhang to prevent water ingress .
  • Boxes are reinforced with channels for structural integrity and to support internal components .
  • Detachable plates are provided for cable gland installation, and internal barriers prevent heat transfer between MCCBs .
  • Industrial boxes may include pre-wired M8 or M12 connectors for automation systems, with customization options for labels, coding, and cable lengths .

Summary

Distribution boxes are highly configurable systems designed to meet specific electrical or automation requirements, with variations in size, number of ways, material, protection rating, and connectivity options. When selecting a distribution box, consider the environment, number of circuits, cable entry requirements, and protection rating to ensure compliance with safety and operational standards .

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