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KAR38(nfin) residual current device(rcd)
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Application
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, three phase 415V, 50 or 60Hz.
Specification
Type
NFIN25
NFIN40
NFIN63
NFIN100
Rated current I△n(A)
25
40
63
100
Rated operating current for earth
leakage I△n (A)
0.03, 0.1, 0.3, 0.5
0.1
0.3
0.5
Rated non-operating current for earth leakage I△n (A)
0.5I△n
Voltage Un(V)
240(220) 415(380)
Pole
2, 4
Main Technical Data
Operating time(second)
I△n
2I△n
0.25A(Or
51△n)
0.2
0.1
0.04
Limited value of non-operating current for balance load or unbalance load
2I△n
In min value of rated making
and breaking capacity
In=25
In=40
In=63
200
300
400
Rated conditional short circuit Inc(A)
1500
2000
3000
Endurance(times)
4000
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