Timer

Relays

Contactor

Control transformer

Resistive loads except motor loa

Starting and stopping of shunt motor

Starting and stopping of series motor

Starting and stopping with inching and braking

To maintain constant terminal voltage

To supply the power to the auxiliary circuits

To control the supply voltage to the contactor

To protect the control elements from over voltage fault

By manual operation

By mechanical settings

By operating electromagnet to change the position

By using bimetallic strip to change the position

Sleeves

Wire ferrules

Lugs and thimbles

Cable binding straps and button