Type A Units - WEG ABW Serie Manual De Instrucciones

4.4.2 Type A units

Long delay
Iu = In x ...
Current of
adjustment Ir = Iu x ...
tr @ 1.5xIr
Time of
tr @ 6xIr
adjustment
tr @ 7.2xIr
(s)
Precision: ± 15% ou < 100ms
Short delay
Current of
adjustment
Precision: ± 10%
tsd (I²t Off) @ 10xIr
Time of adjustment
(s) @ 10xIr) tsd (I²t On) @ 10xIr
Opening min. time (ms)
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 tg (I²t Off) @ 1xIn
(s) @ 1xIn tg (I²t On) @ 1xIn
Opening min. time (ms)
I²t Off
Opening max. time (ms)
Adjustment of time (s) @ 1xIn
Current of
adjustment (A)
Time of
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 ... 1.5
0.05
20
80
Ii = In x ... 2
Ig = In x ... 0.2
0.05
20
80
Ig 0.5
Alarm (ms) 140
Trip (ms) 140
0.8 0.9
0.88 0.9
100 200
4 8
2.7 5.5
2 3 4
0.1 0.2 0.3
0.1 0.2 0.3
80 160 260
140 240 340
3 4 6
0.3 0.4 0.5
0.1 0.2 0.3
0.1 0.2 0.3
80 160 260
140 240 340
1 2 3
230 350 800
230 350 800
www.weg.net
1.0
0.93 0.95 0.98
300 400 500
12 16 20
8.3 11 13.8
5 6 8
0.4
0.4
360
440
8 10 12
0.6 0.7 0.8
0.4
0.4
360
440
5 10 20
950
ABW - Air Circuit Breaker | 37
1.0
Off
Off
Off
10 Off
15 Off
1 Off
30 Off