Type
3NC7 327-2
3NC7 331-2
Utilization category (IEC 60269)
aR
Rated voltage Un
V AC
680
Rated current In
A
250
350
Melting I2t value I2ts (tvs = 1 ms)
A2s
244 000
550 000
Breaking I2t value I2tA at Un
635 000
1 430 000
Temperature rise at In (body center)
K
45
66
Power dissipation at In
W
25
32
Varying load factor WL
0.9
Weight approx.
kg
0.7