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Replacement Trigger Switch for Trigger For Milwaukee Grinder 14-78-0525 30-78-052

  • Sale
  • $16.99

Trigger type switch has 4 internal terminals and replaces Milwaukee 30-78-0525 switch. 10A/125V Over Hang Trigger Switch without lock. Integrated dust proof commonly used in high rated bench top and power tools.

Switches are commonly replaced parts in power tools. A switch handles all on/off and variable speed functions. They also have a role in electric breaking; they can momentarily reverse electrical polarity. Because switches use mechanical internals, they tend to degrade and wear out over time, eventually requiring replacement.

NOTE: Some common signs of a broken or failing switch are:

  • Tool has completely stopped functioning - it will not turn on
  • Tool operates intermittently, requiring multiple tries to turn on, until eventually it won't turn on at all
  • Variable speed function and electric braking aren't working properly

Compatible with:


6122-31 (SER B66A) 4.5" Angle Grinder
6123-31 (SER B68A) 6" Angle Grinder
6121-31 (C97A) 4.5" Angle Grinder
6121-31A (C98A) 5" Compact Angle Grinder
6124-30 (C99A) 6" HP Angle Grinder
6124-31 (D01A) 6" HP Angle Grinder


  • Voltage: 125V
  • Amperage: 10A
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