I have a relay contact rated at 220v dc which is supplied with a 24vdc from the panel,for it to trip the dampers(24vdc).What if the application of the relay changes so that it should work at its rated 220vdc then will it work at 24vdc supply given or any other consideration needs to be taken .....

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State The Difference Between Generator And Alternator?

0 Answers   ABB,

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what is allowable current flows from phase to ground with out tripping the breaker

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List examples of current sources?

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I'm looking for a mnaual set for a Teradyne J750. Softcopy would be preferred but I'll take what I can get.

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why we are using2 wave trap in a feeder?

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what is surge impedance loading?

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Wat wil happen if Transformer is operated at 100 HZ Frequency?

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What is formula of capacitor for 1-phase power connection.how to improve PF. Suppose I want to connect capacitor in refrigerator to reduce power consumptions.

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How can transformer oil be used in transformers with voltage rating above its breakdown voltage?

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a new 3ph induction motor doesn't rotates their ratted speed, why ?

2 Answers   Sail,

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i am going to attaned the engineer (disign)iterview at HAL please give me duid line

0 Answers   HAL,

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