The start/stop relay on small "hotel room' fridges has either 1 or 3 connectors and is usually marked as QP2-4R7 PTC 4.7 Ohm 110V (for North America). The top smaller overload/overheat relay depends ...

Compressor hard-start devices are a luxury item for service technicians to use in rectifying a myriad of compressor start problems. It is true that the majority of hard-start device applications ...

As an electric motor’s rotor turns in close proximity to the motor windings, a bucking voltage or back electromotive force (EMF) is generated. The back EMF (BEMF) generated across the start winding is ...