该产品系三相交流户内成套配电设备，作为接受和分配电能之用，并具有对电路进行控制、保护和检测等功能。外壳采用敷铝锌板，经多重折边工艺，由拉铆螺母和高强度的螺栓连接而成。体积小，减少占地面积，柜壳具有很强的抗腐蚀能力；重量轻，机械强度和装配精度高，外表美观；断路器采用中置式操作，可选用真空断路器；柜内电气间隙大于125mm，复合绝缘中的空气间隙大于30mm；具有抗内部电弧的能力；具有完善的机械式防止误操作的联锁装置。

       This product is a three-phase AC indoor complete distribution equipment, used for receiving and distributing electrical energy, and has functions such as circuit control, protection, and detection. The enclosure is made of aluminum-zinc coated steel plate, processed with multiple folding edges, and connected by rivet nuts and high-strength bolts. It has a small volume, reducing the footprint, and the cabinet shell has strong corrosion resistance; it is lightweight, with high mechanical strength and assembly precision, and an attractive appearance; the circuit breaker adopts a center-mounted operation, and a vacuum circuit breaker can be selected; the electrical clearance inside the cabinet is greater than 125mm, and the air gap in composite insulation is greater than 30mm; it has the ability to resist internal arcs; it has a complete mechanical interlock device to prevent misoperation.

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