MM380 Micromotor Micromotor without ventilation suitable for dusty environments. Highly recommendable for assembly into boxes where plaster models are worked out. The principal characteristics of the handpiece 380 are the following: ? Motor with brushes for a speed of 27.000 rpm. ? Long-lasting and reliable use. ? Slim design of the grip. ? Precision chuck, easily adjustable and changeable: supplied in the standard measure diameter 2.35, (3 mm on request). ? 1/4 turn of the grip safety lock. The power feed coupled with this handpiece offers following advantages: ? Torque of 80% of the maximum power, for high performance and control at low speed ? A double current limitation, to protect the motor in case of overload or unexpected blockage during use. ? A circuit breakers that stop the micromotor in few seconds. Different control versions are available.