Manual starters are devices operated manually, designed for simple and straightforward operation without requiring expert intervention. These starters feature a button or rotary knob that enables users to turn connected equipment on or off through mechanical linkages that open or close contacts.

• Safe and economical operation
• Compact size suitable for diverse applications
• Overload protection for motor safety
• Wide selection of enclosure options
• Low initial cost compared to other starter types

Manual starters do not break control circuits during power loss, which means motors could restart automatically when power is restored. This requires careful consideration in safety-critical applications.

When the engine is activated (via stop/start button or traditional key), an electrical signal is sent to the starter solenoid. This component transfers charge from the vehicle's battery to the starter motor, activating it along with the starter drive (Bendix gear system). The mechanism engages the vehicle's flywheel, cranking the engine to initiate combustion in petrol and diesel vehicles.

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