Answer / satish a

RCCB ( Residual current circuit breaker )provides protection
against Earth fault/leakage current and isolation of the circuit

Answer / ankush miglani 09718151073

rccb basicaly works when there is sm difference in i/p and
o/p current
it is an advanced version of elcb
mostly it is used in 3 no.s i.e. 1 for each phase
for single phase supply rcbo is used

it provides protection from earth leakage

If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

0 Answers   Bajaj,

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why transformer is rated in KVA ?

5 Answers  

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how to reduce disel generator voltage from 410-60 hz to 380v-60hz

1 Answers  

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there is a line fault some where on the ove head distribution line. how will i locate the fault for clearing it? ofcourse i have to megger the line but what information makes me clear that the fault is in that section of the line?

2 Answers  

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what are the preventive maintanance actions taken for air circuit breaker? please answer me

0 Answers   MAHINDRA,

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In dc motor starter there is less voltage required for holding contactor that's may why it is called no volt coil. but in ac starter why holding contactor is called no volt coil.

2 Answers   JSW,

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what is meant by impedance testing of transformer and why it is used

1 Answers   TATA,

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How many watts required for single phase power supply?

4 Answers  

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What is the different between digital phase converter and ordinary phase converter?

0 Answers  

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What is the full form of CNC in electrical mechines.......?

1 Answers   Alstom,

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hello! sir i did three year of diploma in electrical (2007- 2010) and now i m a student of electrical engineering. sir can i apply for germany visa for study and part tome work over there?

0 Answers  

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How stabilizer works

1 Answers  

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