A Controlotron is an electronic gizmo.
Seems to be a company which makes instruments. It was bought by Siemens.
|
|---|
|
Ampacity, Amphenol connector, Annunciator, Arc chute, Automatic Voltage Regulator, Autotransformer, Busbar, Bushing, Concentrator, Condulet, Contactor, Controlotron, Crowbar, Doble, Exciter, Float charge, Guided Wave Radar, Intercell connection resistance, Limit switch, Megger, Molded case circuit breaker, Motor-Generator Set, Overcurrent, Overload relay, Pomona jack, Potentiometer, Pothead, Power factor, Reactive power, Rectifier, Ripple voltage, Shunt, Specific gravity, Stator, Time-domain reflectometer, Undervoltage |