摘要
针对TCK7F型电空接触器存在的一些不足之处,对其低压联锁及支架和控制板进行了相应的改进。
According to some shortages of type TCK7F electro-pneumatic contactor, this paper presents amelioration measures for the switch elements and its bracket and control board.
出处
《电力机车与城轨车辆》
2007年第5期41-42,共2页
Electric Locomotives & Mass Transit Vehicles
关键词
电空接触器
IP防护等级
低压联锁
electro- pneumatic contactor
IP degree
switch elements