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Motor starter usually refers to the complete assembly, including enclosure, contactor, control transformer (if any), overloads, fuses (if any), etc. A contactor is really just an overgrown relay, and is just one component of a starter. That having been said, many folks use the two terms somewhat interchangably. So someone who says starter may mean contactor, and vise-versa. Go figure.
if you are using the pressure switch to control a 3phase pump chances are it already has a magnetic starter and a single pole control circuit i have seen small 3phase air compressors with the contacts driven right off the diaphragm bigger ones usually have 110 volt controls i would be concerned about the current rating of the switch if you are trying to switch the motor directly there are many single phase compressors that run directly from the pressure switch
A contactor is a type of switch. However this switch uses electricity to power an electromagnetic coil to switch on or off power. Hence a contactor needs 2 wires - A live/hot wire and a neutral wire. Generally these are connected across the A1 and A2 terminals of the contactor.
The word you are looking for is Drum Switch. Google it and there are many diagrams.
An overloaded circuit is an electric circuit that is carrying more current than it is designed to handle, creating a danger of fire through overheating. This often occurs when too many appliances are connected to a circuit at one time.
3 forward, 1 reverse
Forward and reverse. It's an automatic
250,000 years
It has 16 forward and 8 reverse.
Motor starter usually refers to the complete assembly, including enclosure, contactor, control transformer (if any), overloads, fuses (if any), etc. A contactor is really just an overgrown relay, and is just one component of a starter. That having been said, many folks use the two terms somewhat interchangably. So someone who says starter may mean contactor, and vise-versa. Go figure.
Four forward. One reverse.
A Super Beetle with a manual transmission has four forward gears and one reverse. A Super Beetle with an Autostick transmission has three forward and one reverse.
Four forward, one reverse.
if you are using the pressure switch to control a 3phase pump chances are it already has a magnetic starter and a single pole control circuit i have seen small 3phase air compressors with the contacts driven right off the diaphragm bigger ones usually have 110 volt controls i would be concerned about the current rating of the switch if you are trying to switch the motor directly there are many single phase compressors that run directly from the pressure switch
3 forward 1 reverse all non syncromesh
The typical turbo 350 has three speeds forward and one reverse.
Could be many things and depends very much on the vehicle.