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Contactors and Relays

In semiconductor testing, Contactors can also refer to the specialized socket that connects the device under test.

In process industries a contactor is a vessel where two streams interact, for example, air and liquid. See Gas-liquid contactor.

A contactor is an electrically controlled switch used for switching an electrical power circuit, similar to a relay except with higher current ratings.[1]A contactor is controlled by a circuit which has a much lower power level than the switched circuit.

Contactors come in many forms with varying capacities and features. Unlike a circuit breaker, a contactor is not intended to interrupt a short circuitcurrent. Contactors range from those having a breaking current of several amperes to thousands of amperes and 24 V DC to many kilovolts. The physical size of contactors ranges from a device small enough to pick up with one hand, to large devices approximately a meter on a side.

Contactors are used to control electric motors, lighting, heating, capacitor banks, thermal evaporators, and other electrical loads.

 
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Contactors and Relays

In semiconductor testing, Contactors can also refer to the specialized socket that connects the device under test.

In process industries a contactor is a vessel where two streams interact, for example, air and liquid. See Gas-liquid contactor.

A contactor is an electrically controlled switch used for switching an electrical power circuit, similar to a relay except with higher current ratings.[1]A contactor is controlled by a circuit which has a much lower power level than the switched circuit.

Contactors come in many forms with varying capacities and features. Unlike a circuit breaker, a contactor is not intended to interrupt a short circuitcurrent. Contactors range from those having a breaking current of several amperes to thousands of amperes and 24 V DC to many kilovolts. The physical size of contactors ranges from a device small enough to pick up with one hand, to large devices approximately a meter on a side.

Contactors are used to control electric motors, lighting, heating, capacitor banks, thermal evaporators, and other electrical loads.

Contactors and Relays