Explain the functions of main isolation switches ?



Explain the functions of main isolation switches ?

  • The isolator is a mechanical switch which isolates a part of the circuit from the system as when required.
  • Electrical isolators separate a part of the system from rest for safe maintenance works.
  • Isolator is a manually operated mechanical switch which separates a part of the electrical power.
  • Isolators are used to open a circuit under no load.
  • Its main purpose is to isolate one portion of the circuit from the other and is not intended to be opened while current is flowing in the line.
  • Isolators are generally used on both ends of the breaker so that repair or replacement of circuit breaker can be done without any danger.

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