Easy operation

Remote operation

Accurate operation

Emergency operation

Sensing the fault quantities

Analysing the condition of breaker

Controlling the Speed in case of fault

Interpreting the fault situation to operate breaker

Incorrect setting of relay

Excessive heat

Insufficient air pressure

Line voltage is too high

Line voltage is too high

Excessive load

Poor dielectric strength

Defective tripping mechanism

Components failure

Insulation failure

Human error

Fuse failure