Tabla de contenido
www.weg.net
11 TRIP RELAY SETTINGS
11.1 PROTECTION
11.1.1 A type
Current setting (A)
Time delay (s)
Accuracy: ± 15% or
below 100 ms
Current setting (A)
Accuracy: ±10%
Time delay (s)
@ 10×Ir
Ajuste de corrente (A)
Tripping time
Pick-up (A)
Accuracy: ±10%(Ig>0.4In)
±20%(Ig≤0.4In)
Time delay (s)
@ 10×Ir
Current setting (A)
Delay (ms)
Accuracy: ±15%
1) The setting of Cat. A type should be defined from Isd = Ir × 1.5 to Isd = Ir × 8 for short time; if this short time is defined as Isd = Ir ×
10, the functions operate normally, but when a problem occurs with the Ir × 10 setting, contact the WEG service center or the nearest
customer service. The manufacturer takes no liability for damage resulting from incorrect application of the instructions provided in this
document.
2) The ground fault protection and earth leakage protection cannot be used at the same time.
40 | ABWC Compact Air Circuit Breaker
×
Iu = In
...
Ir = Iu
×
...
tr@(1,5
×
lr)
tr@(6,0
×
lr)
×
tr@(7,2
lr)
Cat. B
Isd = Ir
×
...
Cat. A
I²t Off
tsd
I²t On
Minimum
Tripping Time
(ms)
(I²t Off)
Maximum
Tripping Time
(ms)
Instantaneous
Ii = In
×
...
Ground fault
Ig = In
×
...
I²t Off
tg
I²t On
Minimum
Tripping Time
(ms)
(I²t Off)
Maximum
Tripping Time
(ms)
Earth leakage (Optional)
I
n
∆
Alarm time (ms)
t
∆
Tripping time
(ms)
Short time
0.5
0.6
0.7
0.8
0.8
0.83
0.85
0.88
12.5
25
50
100
0.5
1
2
4
0.34
0.69
1.38
2.7
Short time
1.5
2
3
4
1.5
2
3
4
0.05
0.1
0.2
0.3
0.1
0.2
0.3
20
80
160
260
80
140
240
340
2
3
4
6
2
0.2
0.3
0.4
0.5
0.05
0.1
0.2
0.3
0.1
0.2
0.3
20
80
160
260
80
140
240
340
0.5
1
2
3
140
230
350
800
140
230
350
800
0.9
1.0
0.9
0.93
0.95
0.98
200
300
400
500
8
12
16
20
5.5
8.3
11
13.8
5
6
8
10
5
6
8
N/A
0.4
0.4
360
440
8
10
12
15
below 50ms
0.6
0.7
0.8
1.0
0.4
0.4
360
440
5
10
20
30
950
1.0
Off
Off
1
Off
Off
Off
Capítulos
Tabla de contenido
Solución de problemas
