XL-21 Floor-Standing Fixed Installation Low-Voltage Power Distribution Cabinet for High-Rise Buildings

XL-21 Floor-Standing Fixed Installation Low-Voltage Power Distribution Cabinet for High-Rise Buildings. Copper Busbar System: Equipped with TMY copper busbars for main, neutral, and protective earth for stable conductivity. Flexible Cable Entry: Supports both top and bottom entry wiring to match various site installation practices. Customizable Dimensions: Standard size 1700x700x400mm with customizable range H 400-2000mm, W 300-1000mm, D 80-500mm. High Current Capacity: Rated 400A main busbar current with 10kA short-time withstand current for overload protection. Enhanced Safety Grounding: Features dedicated grounding protection system and reliable cabinet grounding design. Certified Quality: Complies with GB/T 7251.2-2023 and holds CCC and ISO9001 certifications. Durable Surface Finish: Cold-rolled steel enclosure with 1.2mm thickness and epoxy powder electrostatic coating. Versatile Applications: Ideal for industrial factories, building construction, and commercial facilities.