Answer / sivasankari

Relays are usually used for circuitry control, where as
contactors are used for motor control.

Answer / jason noronha

Purpose of a relay is to protect a device or a circuit.
Whereas purpose of a contactor is to make and break the
circuit thereby extracting the required signals from their
auxillary contacts.

Answer / senkathir

relay can uses low power load.contractor can uses high power load

What is refrigeration cycle of HVAC .

0 Answers   DLF,

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How three wire proximity can be used in place of two wire proximity?

0 Answers  

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What is the major difference between Normal control loop and Cascade control loop and when to use cascade control loop?

0 Answers   Honeywell,

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what is Automated smoke test suit? and why we use thah in QTP??

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Why we use pneumatic instrument.

0 Answers  

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0 Answers  

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what is difference between an encoder & resolver?

0 Answers   Samtel,

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What is the purpose of departmental classification?

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0 Answers   JCB,

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How do you estimate the fuel /diesel consumption for 125KVA DG Set?

0 Answers  

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