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OFF LOAD ISOLATOR AND EARTH SWITCH
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Features Designed and verified according to IEC / IS standards Air insulated off- load isolator & earth switch Motorised / manual operated versions Quick make and break mechanism Single and double spring mechanism High operating reliability with robust construction High dynamic and thermal strength Rotary front drive mechanism Simple maintenance and inspection Operational Features An integral interlocked earth switch 2NO+2NC advanced auxiliary contacts for interlocking with upstream circuit breaker Fitted with castle key interlock Safety Fully type tested according to IEC 62271-102 Provide interlock between isolator and front door to protect personnel against electric arc blast. Provide interlock between isolator and earth switch to prevent from inadvertent operation.
