Low Voltage Brief Catalogue MCB MCB
P-005 P 003 Low Voltage Brief Catalogue -
NB1-63G Miniature Circuit Breaker
1. General
▪ Short circuit protection ▪ Overload protection ▪ Switch ▪ Isolation ▪ Various wiring solutions: U-type/pin-type/Comb-type Busbar/Cable
2. Technical features
NB1-63G
IEC/EN 60898-1
Standard Rated current In Poles
1, 2, 3, 4, 6, 10, 13, 16, 20, 25, 32, 40, 50, 63
A
1P, 2P, 3P, 4P 230/400 50/60
Rated voltage Ue Rated frequency Rated breaking capacity Rated impulse withstand voltage(1.2/50) Uimp Thermo-magnetic release characteristic Electrical life Mechanical life
V
Hz A
6000 4000 B, C 4,000 20,000
V
On DIN rail EN 60715 (35mm) by means of fast dip device From top and bottom
Mounting
Connection
3. Curve
B, C curve
t(s)
10000
2000 5000 1000
B
500
200 100
20 10 50
C
5
1 2
0.5
0.1 0.2
0.05 0.02 0.01
0.005
0.002 0.001
I/In 100 200
1
0.5
7 10
20
30 50 70
2 3 4 5
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