KYN48-12户内交流金属铠装抽出式开关设备和分配电能，并对电路实行控制、保护和监测。本开关柜满足IEC298、GB3906、DL404等标准的有关要（以下简称开关柜）是三相交流50Hz,3-12kV单母线或双母线分段系统的户内成套配电装置，作为接受求，可广泛应用于电力、冶金（多晶硅）、石化、城建等行业中。特点1）本开关柜采用中置式，配装本公司生产的MDS1型智能型永磁真空断路器，具有可靠性高、机械寿命长、免调试、少维护等特点，特别适合频繁操作的场所（广泛应用于多晶硅的还原电炉控制系统中）。The circuit breaker is installer at the central section of this switchgear, Installs MDS1 intelligence permanent magnetism vacuum circuit-breaker which this company produces.2）柜体采用敷铝锌板经过多重折弯而成。The cabicle is made of folded high quality aluminum zinc coated steel plate linking with screws.3）简单有效的闭锁,防止了误操作。The simple effective block system, has prevented misoperation4）断路器更换非常简单，手车互换性好。The circuit breaker replacement is extremely simple, handcart interchangeability good。5）电缆室有充裕的空间，可联接多根电缆。通过柜门观察窗，可清楚的观察到电缆室的安装情况。The cable vault has enough room to link several cables,The installation condition of cables can be insected easily through the shielding window on the door.6)可配装先进高可靠性的微机监控保护操作系统。The high reliability and advanced microcomputer with system of supervision,contr