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ISOLATOR

isolator in Electrical Engineering. An isolator is a mechanical switching device that, in the open position, allows for isolation of the input and output of a device.

An isolator is a device used for isolating a circuit or equipment from a source of power. An isolator is a mechanical switching device that, in the open position, allows for isolation of the input and output of a device.

 


SINGLE POLE ( SP ) ISOLATOR




DOUBLE POLE ( DP ) ISOLATOR




THREE POLE ( TP ) ISOLATOR




FOUR POLE ( FP ) ISOLATOR




Technical Data for selection of Isolator

No. of Poles

Rated Current (In)A

Rated Voltage (Ue)V~

Rated Frequency (f)Hz

Utilization Category

Rated Impulse Voltage

Dielectric Strength

Protection Class

Mounting

Connections

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 a circuit breaker can be done without any danger.







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