Low Voltage Brief Catalogue MCB P-006 MCB 004 Low Voltage Brief Catalogue P -
NBH8 Miniature Circuit Breaker
1. General
▪ Short circuit protection ▪ Overload protection ▪ Switch ▪ Isolation ▪ 1P+N in one module. ▪ Contact position indicator
NBH8
2. Technical features
On DIN rail EN 60715 (35mm) by means of fast clip device IEC/EN 60898-1 1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40 1P+N 230~240 B, C 50/60 4500/6000 4000 8, 000 20, 000
Standard
A
Rated current In Poles Rated voltage Ue Thermo-magnetic release characteristic Rated frequency Rated breaking capacity Rated impulse withstand voltage(1.2/50) Uimp Electrical life Mechanical life
V
Hz V A
Mounting
Terminal connection type Auxiliary contact Shunt release Under voltage release Alarm contant
Cable/Pin-type busbar Yes Yes Yes Yes
3.Curve
B, C curve
t(s) 10000 5000 1h 2000 1000
B
500 200 100
50 20 10
C
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 34 5 7 10 20 30 5070100 200 I/In
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