DB Distribution Box Waterproof Mccb Mcb Customization

DB distribution box distribution box waterproof box mccb mcb distribution box

Product knowledge

Selection of residual current action protector. Products that meet GB 6829 "General Requirements for Residual current action Protectors" and are certified by the China Electrical Products Certification Commission must be selected. Time-delay protectors similar to LJM (J) series power-saving and low sensitivity can be selected. The way of the protector device should comply with the national GB13955-2005 "Installation and operation of residual current action protection device" standard. The breaking time of the leakage protector, when the leakage current is rated leakage current, the operation time should not be greater than 0.s.

The inlet and outlet cables of the distribution box should be low-voltage cables, and the selection of cables should meet the technical requirements. For example, the distribution box of 30kVA and 50kVA transformers uses VV22-35×4 cables for the inlet line, and the branch outlet uses VLV22-35×4 cables of the same specification; The distribution box of 80kVA and 100kVA transformers uses VV22-50×4 and VV22-70×4 cables for incoming lines respectively, and VLV22-50×4 and VLV22-70×4 cables for branch outlets respectively. The cables are crimped with the copper and aluminum wiring nose and then connected with the wiring pile head in the distribution box with bolts.

DB distribution box distribution box waterproof box mccb mcb distribution box

• Chongqing Bosun Electrical Co., Ltd. was established in 1996, located in Banan District Chongqing China, with convenient transportation, covers an area of 8,000 square meters.
• Devoted in the research and development, manufacturing, installation, and sales of complete sets of high and low voltage switchgear and control equipment from 40.5kV to 0.22kV.
• more than 20 CCC/CQC certificates, meet the requirements of the highest protection level of IP65 and altitude environment of 4500 meters, get the GB/T19001:2016 /ISO9001:2015 quality management system certification,
• A complete product development department, design team.
• Various kinds of product construction and manufacturing design by using specialized computer mechanical and electrical CAD design software systems.
• Complete surveillance, measuring, and testing equipment to ensure the high products quality.
• Complete production line including CNC processing equipment, welding equipment, and hoisting equipment required for cabinet production, busbar bending equipment, tinning equipment, electric tools, and other assembly production equipment required for complete assembly production.
• More than 10 product invention patents and utility model patents.
• Excellent service based on the motto "Quality First, Customer Foremost, Survival Through Quality, Development Through Service, Continuous Improvement,"

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