DC MCB
Low Voltage Brief Catalogue MCB P-002
P 011 Low Voltage Brief Catalogue -
NB1-63DC DC Circuit Breaker
1. General
▪ Excellent breaking capacity ▪ Double connection function of lead wire and bus bar ▪ Stored energy operation, fast closing, long service life ▪ Convenient installation, disassembly ▪ Contact on-off indication, higher security ▪ Green environmental protection and energy saving
NB1-63DC
2. Technical features
IEC/EN 60947-2
Standard
1, 2, 3, 4, 6, 10, 13, 16, 20, 25, 32, 40, 50, 63
A
Rated current In Poles Rated voltage Ue Mechanical life Electrical life
1P, 2P, 4P
1P: 250V; 2P: 500V; 4P: 1000V
V
1,500 20,000
3.Curve
C curve
t(s) 10000 5000 1 H
2000 1000
500 200 100
50 20 10
5 2 1
0.5 0.2 0.1
0.05 0.02 0.01
0.005 0.002 0.001 0.5 1 2 3 45 7 10 20 30 5070100200
I/In
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