Limit switch
Isolating switch
Two way switch
Push button switch
Panel board is made in metal box
Control the stray field in the p
Reduce the voltage drop in panel board
Ensure one earthing in case of other failure
Lift circuits
Street lighting
Motor control circuits
Domestic power circuits
As per rated current
As per supply voltage
As per no volt coil rating
As per the type of supply
Type of supply
Type of load connected
supply voltage and load
Place of use the contactor