The DC driver device, controls direct current hammer using the 230Vac mains power supply and galvanically isolated 24Vac commands, replacing a contactor amd a diode bridge.
The command is gives as for a normal contactor with 24Vac coils.

The command is made as for a normal contactor with a 220Vac or 24Vac coil.


  • Adjustable pulse duration;
  • no electromagnetic disturbance induced in the amplification systems of the Church;
  • the device contains a relay-protection circuit saving the hammer’s coil in case of damage.