Three-level distribution box with support feet

A three-level distribution box with support feet is a robust electrical enclosure designed for safe, organized power distribution across multiple circuits, ideal for construction sites and industrial applications.Structure and LevelsA three-level distribution box distributes electrical power through three hierarchical levels:First-Level Distribution Box (Main Box): Receives power from the main supply, houses the main circuit breaker, leakage protector, voltmeter, and ammeter, and manages centralized control for the entire site .Second-Level Distribution Box: Installed near power consumption areas or large equipment, it distributes power from the main box to third-level boxes and includes branch circuit breakers and leakage protectors .Third-Level Distribution Box (Switch Box): Directly powers individual equipment or groups of similar devices, equipped with isolation switches, circuit breakers, and leakage protectors for direct control and protection .Materials and ConstructionThese boxes are typically made from cold-rolled steel plates, providing durability and resistance to mechanical stress . Many models feature rainproof designs with sloped roofs and reinforced triangular brackets to prevent water accumulation and rusting, making them suitable for outdoor use .Support Feet and StabilitySupport feet or brackets are often triangular or reinforced angle structures, enhancing stability and ensuring the box remains secure on uneven surfaces . These feet also elevate the box slightly above the ground, improving waterproofing and reducing corrosion risk.Protective DevicesInside, the boxes accommodate air circuit breakers of various ratings (e.g., 2P/32A, 3P/63A, 3P/10A, 100A) to protect connected equipment from overloads and short circuits . Rear wiring configurations help maintain a safe and organized setup.ApplicationsThree-level distribution boxes with support feet are ideal for:Temporary power supply on construction sitesSteelwork, woodworking, and bending machinesLighting sockets, power tools, and cutting machinesOutdoor or harsh environments requiring waterproof and stable enclosures Installation ConsiderationsEnsure proper grounding using earthing rails integrated in the box .Verify compatibility with the electrical load and number of circuits.Consider future expansion by selecting boxes with extra slots or modular designs .Install according to local electrical codes for safety and compliance. This type of distribution box provides a safe, organized, and flexible solution for multi-level power distribution, combining mechanical stability, waterproofing, and reliable circuit protection.