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NF Moulded Case Circuit Breaker
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The earth leakage circuit breaker type FIN is in conformity with the standards of VDE 0664,CEE 27 and BS 4293. It can cut off the fault circuit immediately on the occasion of shock hazard or earth leakage of trunk is suitable to avoid the shock hazard and fire caused by earth leakage.
FIN ELCB is mainly suitable for use in varieties of plants and enterprises.building,construction,commerce,guesthouses and families,It can be used in circuits up to single phase 240V,three phases 415V,50/60HZ.
Type FIN25 FIN40 FIN63
Rated current I△n(A) 25 40 63
Rated operating current
for earth leakageI△ n(A)
Rated non-operating current
for earth leakageI△n(A)
0.5I△ n
Voltage Un(V) 240(220)/415(380)
pole 2 4
Operating time(second) I△n 2I△n 0.25A(Or
0.2 0.1 0.04
Limited value of non-operating current for balance load orun balan ceload 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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