What is the function of AC contactor?
Contactors work in the same way, except instead of controlling the flow of traffic, they control the flow of electricity. These devices are used to provide and cut off the supply of power to many of your air conditioner’s components, including the compressor, the condenser and your system’s various motors.
Why contactor is used?
A contactor is an electrical device which is used for switching an electrical circuit on or off. These contacts are in most cases normally open and provide operating power to the load when the contactor coil is energized. Contactors are most commonly used for controlling electric motors.
What is main contactor?
A contactor is an electrically-controlled switch used for switching an electrical power circuit. A contactor is typically controlled by a circuit which has a much lower power level than the switched circuit, such as a 24-volt coil electromagnet controlling a 230-volt motor switch.
What are contactors and relays?
Contactors and Control relays are electrically operated switches used for switching of loads and for controlling the electrical circuit respectively. Contactor and Control Relay work on same principle. They are basically electrically operated solenoid switches that are designed for the switching or control the loads.
What is difference between contactor and relay?
Control Relay: It is a device through which contacts in one circuit are operated by an alteration in conditions in the same circuit or in associated circuits. Contactor: It is a device which is used for repeatedly establishing and interrupting an electric circuit under normal conditions.
What are types of contactors?
There are different types of contacts in a contactor, and they are; auxiliary contact, power contact, and contact spring. The power contact has two types that are; stationary and movable contact. Material for making contacts must have a high welding resistance and stable arc resistance.
What does a heat pump contactor do?
The contactor / relay in a heat pump controls the power coming into a unit. The main power is plugged onto one side from a breaker or disconnect, and the units blower motor, compressor, control board and everything else plug into the other side.
What is contactor in electrical?
A contactor is an electrically-controlled switch used for switching an electrical power circuit.
How does a contactor operate?
Contactors are used by electrical equipment that is frequently turned off and on with the opening and closing of a circuit. The function of the contactor is to make and break all power supply lines running to a Load or to repeatedly establish and interrupt an electrical power circuit. Types of Contactors.