WEG ABW Series, Инструкция по эксплуатации

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ABW - Air Circuit Breaker | 37
4.4.2 Type A units
Long delay
Current of
adjustment
Iu = In x ... 0.5 0.6 0.7 0.8 0.9 1.0
Ir = Iu x ... 0.80 0.83 0.85 0.88 0.9 0.93 0.95 0.98 1.0
Time of
adjustment
(s)
tr @ 1.5xIr 12.5 25 50 100 200 300 400 500 Off
tr @ 6xIr 0.5 1 2 4 8 12 16 20 Off
tr @ 7.2xIr 0.34 0.69 1.38 2.7 5.5 8.3 11 13.8 Off
Precision: ± 15% ou < 100ms
Short delay
Current of
adjustment
Isd = Ir x ... 1.5 2 3 4 5 6 8 10 Off
Precision: ± 10%
Time of adjustment
(s) @ 10xIr)
tsd (I²t Off) @ 10xIr 0.05 0.1 0.2 0.3 0.4
tsd (I²t On) @ 10xIr 0.1 0.2 0.3 0.4
I²t Off
Opening min. time (ms) 20 80 160 260 360
Opening max. time (ms) 80 140 240 340 440
Adjustment of current
Current of
adjustment
Ii = In x ... 2 3 4 6 8 10 12 15 Off
Opening time: < 50ms
Shortage current to ground
Current of
adjustment
Ig = In x ... 0.2 0.3 0.4 0.5 0.6 0.7 0.8 1 Off
Precision: ± 10% (Ig>0.4In); ±20% (Ig≤0.4In)
Time of adjustment
(s) @ 1xIn
tg (I²t Off) @ 1xIn 0.05 0.1 0.2 0.3 0.4
tg (I²t On) @ 1xIn 0.1 0.2 0.3 0.4
I²t Off
Opening min. time (ms) 20 80 160 260 360
Opening max. time (ms) 80 140 240 340 440
Adjustment of time (s) @ 1xIn
Current of
adjustment (A)
Ig 0.5 1 2 3 5 10 20 30 Off
Time of
adjustment (s)
Alarm (ms) 140 230 350 800 950
Trip (ms) 140 230 350 800
Precision: ± 15%