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Small distribution board
Small distribution boards, also known as consumer units, distribution boxes, or sub-distribution panels, are compact enclosures designed to house protective devices such as miniature circuit breakers (MCBs), residual current devices (RCDs), and surge protective devices (SPDs). These boards typically feature a modular DIN rail mounting system, al...
Small distribution boards, also known as consumer units, distribution boxes, or sub-distribution panels, are compact enclosures designed to house protective devices such as miniature circuit breakers (MCBs), residual current devices (RCDs), and surge protective devices (SPDs). These boards typically feature a modular DIN rail mounting system, allowing for flexible configuration of single-pole (1P), double-pole (2P), triple-pole (3P), and four-pole (4P) devices. They are rated for nominal voltages up to 400V AC and currents ranging from 63A to 125A, depending on the model. The enclosures are usually constructed from thermoplastic or sheet steel, offering IP ratings from IP30 to IP65 for indoor or outdoor use. Key technical parameters include short-circuit withstand capacity, number of ways (e.g., 4, 8, 12, 24 ways), and compatibility with busbar systems for efficient power distribution.
Small distribution boards are primarily used in residential, commercial, and light industrial installations for final circuit distribution. They are installed in electrical rooms, utility closets, or directly on walls in workshops and offices. Common applications include lighting circuits, socket outlets, HVAC systems, and small motor loads. In industrial settings, they serve as sub-distribution points for control panels, automation cabinets, and machinery power supplies. Their compact size makes them ideal for retrofitting in existing buildings or for use in temporary power setups on construction sites.
Key subcategories include main distribution boards, sub-distribution boards, and meter distribution boards. Popular article codes often follow a pattern like "SDB-4W-63A" for a 4-way board rated at 63A, or "CDB-12W-100A" for a 12-way consumer unit. Other common codes include "DB-8W-IP65" for an 8-way weatherproof board and "MDB-24W-125A" for a 24-way main distribution board. These codes typically incorporate the number of ways, current rating, and enclosure type.
Our small distribution boards come with real-time pricing and express worldwide shipping. Our team of specialized electrical engineers provides personalized technical support to help you select the right board for your specific load requirements and environmental conditions. We also offer detailed technical documentation for each article, including wiring diagrams and installation manuals.
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