... to places like chemical plant and electroplate factory.2. Limit switch: The limit switch device is installed where the load is lifted on and ... proof push button is applied, it is light and durable.8. Inverse phase sequence protecting device: It is the special electrical ... (m)0.258 0.8/8203,6,90.58 0.8/820/306,9,1218 0.8/820/306,9,12,18 ... ,24,3028 0.8/820/306,9,12,18,24,3038 0.8/820/306,9,12,18, ...