WEG ABW Serie Manual De Instrucciones página 29

4.4.2. type A units
long delay
Iu = In x ...
Current of
adjustment
Ir = Iu x ...
tr @ 1.5xIr
tr @ 6xIr
Time of
adjustment (s)
tr @ 7.2xIr
Precision: ± 15% ou < 100ms
Short delay
Current of adjustment
Precision: ± 10%
Time of adjustment
(s) @ 10xIr)
I²t Off
Opening max. time (ms)
Adjustment of current
Current of
adjustment
Opening time < 50ms
Shortage current to ground
Current of
adjustment
Precision: ± 10% (Ig>0.4In); ±20% (Ig≤0.4In)
Time of adjustment
(s) @ 1xIn
Opening min. time (ms)
I²t Off
Opening max. time (ms)
Adjustment of time (s) @ 1xIn
Current of
Ig
adjustment (A)
Alarm (ms)
Time of
Trip (ms)
adjustment (s)
Precision: ± 15%
0.5 0.6 0.7
0.80 0.83 0.85
12.5 25 50
0.5 1 2
0.34 0.69 1.38
Isd = Ir x ...
tsd (I²t Off) @ 10xIr
tsd (I²t On) @ 10xIr
Opening min. time (ms)
Ii = In x ... 2 3
Ig = In x ... 0.2
tg (I²t Off) @ 1xIn 0.05
tg (I²t On) @ 1xIn
20
80
0.5 1 2
140 230 350
140 230 350
0.8 0.9 1.0
0.88 0.9 0.93
100 200 300
4 8 12
2.7 5.5 8.3
1.5 2 3 4
0.05 0.1 0.2 0.3 0.4
0.1 0.2 0.3 0.4
20 80 160 260 360
80 140 240 340 440
4 6 8 10
0.3 0.4 0.5 0.6
0.1 0.2 0.3 0.4
0.1 0.2 0.3 0.4
80 160 260 360
140 240 340 440
3 5 10
800 950
800
ABW - Air Circuit Breaker
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0.95 0.98 1.0
400 500 Off
16 20 Off
11 13.8 Off
5 6 8 10 Off
12 15 Off
0.7 0.8 1 Off
20 30 Off
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