1.Overview
Column installed insulation load switch, type PGS-12/24/40.5-20,is suitable for the rated voltage 12/24/40.5kV,rated current 400A、630A、50/60Hz power grid open circuit、load current in closed Power system、overload curren. This load switch can separate those broken distribution line automatically. With the latest technology, it has the newest electronic controller.The switch can be used by manual operation, electric operation and operation from a long distance. Electronic controller is installed in a stainless steel cabinet which is suitable for using under all kinds of climatic conditions. In addition, there are some wired and wireless modem installed in the cabinet through which it can realize the remote monitoring and control. Simple installation on column is convenient, fast, and also can reduce the construction cost.
2、The standard conditions of use
2.1.1 Ambient air temperature: upper limit +50 ° C, lower limit of-40 ℃. 2.1.2 Relative Humidity: 100%
2.2 Elevation does not exceed 1000m;2000m;3000m;5000m
2.3 The pressure does not exceed 700pa (equivalent to wind speed of 34m / s).
2.4 Earthquake intensity: 8 degrees.
2.5 Installation site: No fire, no explosion hazards, no chemical corrosion and recurrent severe vibration.
2.6 Pollution class: class III, class IV
