What is the difference between onload and off load switch disconnectors and what is the type of INS switch ?

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  • On load switch disconnectors:
    it is switch disconnector that can open and close the circuit on load and perform the isolation required.
  • Off Load switch disconnectors:
    It is switch disconnector that must open and close the circuit when load is off (it can not operate on nominal load) – For example – Earthing switch used with CB during maintenance
  • The INS Switch is of the on load type
  • Rich power group is a professional supplier and maker of disconnector switch in China, we can produce the complete products and also provide the spare parts to our customers.
  • Changsha rich power company produces post porcelain insulators for the switch disconnector.