Motor Starter. Starting a motor generates a substantial amount of electricity. When dealing with so much power, it’s important to have a backup solution to prevent damage and ensure safety at all times.
The contactor portion of a motor starter closes the contacts on all phases of the electrical current very quickly; minimizing the potentially dangerous effects in the event of an overload. Moreover, motor starters come in many sizes to suit the motor and voltage of your specific application.
How Do Motor Starters Work?
Motor starters consist of two devices—a contactor that completes the circuit to the motor and an overload relay that monitors the current the motor is drawing. Moreover, this overload protection device has a pre-determined maximum load that the motor can safely handle. When a condition occurs that causes the motor to exceed the maximum load; the device opens the motor starter control circuit and switching the the motor is advisable.
Types of Motor Starters
Wye-delta open transmission.
This is a somewhat standard electromagnetic starter system ━ the design is to safely reduce voltage in the operation of major commercial equipment. Furthermore, the system is suitable for and often implemented in the operation of pumps and air compressors.
Soft-start solid state.
Often used in most major commercial equipment, a soft start starter motor is an RVS (reduced voltage starter) that performs its function through the use of fluid, magnetic forces, or steel shot to lower start-up current and control torque. Moreover, conveyor systems uses, generator uses soft-start motor starters often, and other general purpose functions.
Wye-delta starter OEM.
A wye-delta starter system featuring sub-panel mounting, 120-volt coils, and a starter wye-delta timer system for control systems that do not incorporate timer functions initially.
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Source: https://www.psicontrolsolutions.com/blog/