Basic constant Synchronous speed at 50 Hz is 60 RPM.
Higher torque and reduced speed through gear assemblies.
Built in overload protection - Motor stops, if overloaded, without burnout.
Popular choice for precise positioning application.
Built-in thermal overload protection.
Starting, operating and stalling currents are identical.
Voltamp motors are usually operated from single phase source with R.C. phase shifting network. They are essentially two phase motors and do not require phase-shifting network when used with two-phase power supply..
The speed of the motor is directly proportional to the applied frequency.
The motor reaches its full synchronous speed typically within 5 to 25 milliseconds.
The output torque of the motor is linearly proportional to the applied input voltage. For intermittent operation, this characteristic can be used to provide increased torque.
The use of reduction gears with the motor provides increased torque and decreased speed. Output speed is decreased and torque increased by the factor of the gear ratio used. Gear losses are typically around 10% per mesh.
Step-down gearing offers even greater gain in inertial load rating since the inertia moving capability increases by the square of the gear ratio.