14 Years manufacturer Miniature circuit breaker-FTB10LE Export to Porto

Overview:



Technical data

Product illustration

Tripping characteristic

Exterior and dimensions

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Model:   FTB10LE
Poles: 1P+N
Rated current (A): 6,10,16,20,25,32,40
Rated frequency(Hz): 50
Rated operational voltage(V): 230
Breaking Capacity:Ics(KA) 4.5
Rated residual operating current:A/AC: 30
Breaking time:A/AC: 15
Breaking Time ms : I△=I△n ≤100
I△=5I△n ≤40
Mechanical and electrical life: 10000
Conventional non-tripping current:   t≤1h
Conventional tripping current: t≤1h
1s<60s
 Instantaneous tripping types: C
 Instantaneous non-tripping current: 5In
 Instantaneous tripping current: 10In
Connecting Wire: 1/25
Size(L×W×H)mm:   74.2×36×80




Why ELCB can’t work if N input of ELCB do not connect to ground? – Earth-leakage circuit breaker-https://www.electrical4u.com/working-principle-of-earth-leakage-circuit-breaker-elcb-voltage-current-elcb-rccb/
ELCB is used to detect earth leakage fault. Once the phase and neutral are connected in an ELCB, the current will flow through phase and that much current will have to return neutral so resultant current is zero. Once there is aground fault in the load side, current from phase will directly pass through earth and it will not return through neutral through ELCB. That means once side current is going and not returning and hence because of this difference in current ELCB will trip and it will safe guard the other circuits from faulty loads. If the neutral is not grounded, fault current will definitely high and that full fault current will come back through ELCB, and there will be no difference in current

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Please watch: “What is “pu” in electrical engineering?”

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Also watch https://www.youtube.com/watch?v=YLl48VjNL-E
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How Train turns, How train takes turn using centrifugal force concept is explained in Hindi. Train turning concept and cone shaped wheel design of train are explained in Hindi

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