Earth Leakage (G) - WEG ABWC Serie Instrucciones De Instalación, Operación Y Mantenimiento

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11.2.5 Earth leakage (G)

Function to interrupt the earth leakage current above the setpoint after the time delay protecting the earth leakage
circuit. (A, P, S types).
I n 5 t
3 10 800
( m s)
2 20
350
1 30 230
off
140
0,5
fuga à terra alarme
t
I n
t
1. Default current setting selector: In
- Adjustable range: 0,5-1-2-3-5-10-20-30-OFF (A)
2. Time delay setting selector: t
- Tripping time: 140-230-350-800ms
- Alarm time: 140-230-350-800-950ms
3. Settings within its alarm range will prevent the circuit breaker from tripping but will enable the alarm.
4. This function is enabled and can only be used with private external CT (secondary output 5A) selected by
the customers.
5. When the ZSI function is set, the protection operation will occur instantaneously with no input from the
downstream devices. It is advisable to disable the ZSI function on the last downstream device.
44 | ABWC Compact Air Circuit Breaker
950
t
800
350
230
140
de disparo
I
Ir
tr
lsd
tsd
Ii
I
Figure 11.5:
t
ZSI disponível
I n
t
I