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The Residual Current Device(RCD) NFIN is in conformity
with the standards of IEC 1008, VDE 0664, CEE27 and BS 4293.
It can cut off the fault circuit immediately on the occasion of shock hazard or
earth leakage of trunk line.Thus it is suitable to avoid the shock hazard and
fire caused by earth leakage.
NFIN RCD is mainly suitable for using in varieties of plants, enterprises,
buildings, constructions, commerce. Hotels and families, It can be used in
circuits up to single phase 240V,threephase 415V,50 or 60Hz.
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Specifications
|
Type
|
NFIN25
|
NFIN40
|
NFIN63
|
NFIN100
|
|
Rated
current In(A)
|
25
|
40
|
63
|
100
|
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Rated
operating current for earth leakage IΔn(A)
|
0.03,0.1,0.3,0.5
|
0.1
0.3
0.5
|
|
Rated
non-operating current for earth leakage IΔn(A
|
0.5IΔn
|
|
Voltage
Un(V)
|
240(220)
415(380)
|
|
Pole
|
2,
4
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Main
Technical Data
|
Operating
time(seconds)
|
IΔn
|
2IΔn
|
0.25A
(or 5IΔn)
|
|
0.2
|
0.1
|
0.04
|
|
Limited
value of non-operating
current for balance load
or unbalance load
|
2In
|
|
In
minimum value of rated
making and breaking capacity
|
In=25
|
In=40
|
In=63
|
|
200
|
300
|
400
|
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Rated
conditional short
circuit current Inc(A)
|
1500
|
2000
|
3000
|
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Endurance(times)
|
4000
|
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