Low-voltage Brief Catalogue
Low-voltage Brief Catalogue
RCBO
RCBO
021
022
P -
P -
NB2LE Residual Current Operated Circuit Breaker
NB3LE Residual Current Operated Circuit Breaker with Over-current Protection (Electronic)
1. General
1. General
• Protection against risk of fire • Protection against risk of electric shock
• Protection against risk of fire • Protection against risk of electric shock
• Protection against overload • Protection against short circuit
• Protection against overload • Protection against short circuit • 1P+N in one module • Contact position indicator
2. Technical features
2. Technical features
Standard
IEC/EN 61009-1
Type (wave form of the earth leakage sensed)
AC, A
Standard
IEC/EN 61009-1
NB2LE
NB3LE
Thermo-magnetic release characteristic
B, C
Type (wave form of the earth leakage sensed)
AC, A
Thermo-magnetic release characteristic
B, C
Rated current In
A 6, 10, 16, 20, 25, 32, 40
Rated current In
A 6, 10, 16, 20, 25, 32
Poles
1P+N
Poles
1P+N
Rated voltage Ue
V 240
Rated voltage Ue
V 240
Rated sensitivity I △ n
A 0.03
Rated sensitivity I △ n
A 0.03
Short-circuit current Icn
A 6000
Short-circuit current Icn
A 6,000
Break time under I △ n
s
≤0.1
Electrical life
2,000
Electrical life
2,000
Mechanical life
1,000
Mechanical life
2,000
Mounting
On DIN rail EN 60715 (35mm) by means of fast clip device
Terminal connection type
Cable/U-type busbar/Pin-type busbar
Connection
From top and bottom
Mounting
On DIN rail EN 60715 (35mm) by means of fast clip device
Connection
From top
3. Curve
3. Curve
B, C curve
B, C, curve
t(s) 10000 5000 1h 2000 1000
t (s) 10000 5000 1h 2000 1000
B
B
500 200 100
500 200 100
50 20
50 20
10 5 2 1
10 5 2
C
C
1
0.5 0.2
0,5 0,2
0.1 0.05 0.02 0.01
0,1
0,05 0,02
0,01
0.005 0.002 0.001
0,005 0,002
0,001
2 34 5 71 02 0 30 5070100 200 I/In
0.51
0,51
23 45 71 02 0 30 50 70 100 200
I/In
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