Manual starters are devices that are operated manually. These starters are straightforward to operate and do not require expert intervention. The starter includes a button (or rotary knob) that enables a user to turn the connected equipment on or off.

The buttons feature mechanical linkages that open or close the contacts, starting or stopping the motor. However, it's important to note that this type of starter does not break a control circuit during a power loss, which means the motor could restart automatically when the incoming voltage is restored. This is a critical safety consideration in certain applications.

• Deliver safe and economical operation
• Compact size suitable for a wide range of applications
• Provide overload protection to the motor
• Available with a variety of enclosure options
• Low initial cost compared to other starter types

When the driver activates the engine (either through a stop/start button or traditional key), an electrical signal is sent to the starter solenoid. This component sends the charge from the vehicle's battery to the starter motor.

The electrical current activates the starter motor and engages a gear system called the starter drive or Bendix. This mechanism then connects with the vehicle's flywheel. As the starter motor turns, it cranks the engine, initiating the combustion process in petrol and diesel vehicles.

Once the engine is running properly, the connection between the starter motor and the flywheel disengages automatically, as the engine no longer requires the electrical spark to maintain operation.