The DC motorcontroller of the MTR 101, The MTR 101 is are motor governor of a compact design which can be used for permanent field motors as well as for shunt-wound motors.
In the MTR 101 the armature current is limites by an overcurrent release (thermostatic switch).
To adjust the motor seed there is in from of the case a set pint potentiometer with an integrated on/ off switch.
