Quarter turn, double acting and spring return type with a totallyenclosed design and no external moving linkages.
四分之一转，双动和弹簧回位类型，具有全封闭结构，没有外部活动连接。
2
The current transformer is totally-enclosed casting of epoxy resin with support type structure. It is resistant to pollution, damp - proof and it is suitable for tropical regions.
本型电流互感器为支柱式结构，采用环氧树脂全封闭浇注，耐污染及潮湿，也适宜于热带地区。
3
This type of motor is totallyenclosed, self-ventilated motor, whose stator frame is made by steel plate with higher mechanical strength.