Answer / william lobo

An over load relay acts on thermal bi metal principle and
whenever current exceeds a set value then the bimettalic strip
bends and trips a lever which in turn trips the circuit.

what is the value of current and voltage that our body can resist ?

3 Answers  

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How to increase the specific gravity of DG batteries?

5 Answers   SCS,

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what are all types of cross section in AC cables?

0 Answers  

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WHY FEEDERS TRIP IN COLD AND FOGY WEATHER?

2 Answers  

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volts=230 c=10mf a=??

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what is the earth resistance ?

5 Answers   Bhel, Cummins,

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why transformer are not used in D.C SUPPLY

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Pl. brief about break-down maintenance of machine tool.

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Why dose voltage rated at 11kva

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State the points to be considered for selecting a particular type wiring.

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write down the formula of cable size in RM if current is 50Amp.

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WHAT IS ND RELAY AND HOW DOES IT WORK?

2 Answers  

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