39
Protection unit
2. Circuit breaker switched ON with an active alarm:
when circuit breaker is on alarm state, protection unit display data are shown like below:
3. Circuit breaker tripped after a fault:
protection unit display data are shown like below:
alarm
over temperature
T >75°C
overload tripping
I3=
I =
I1=
I2=
phase L1
5.42 S
9648 A
n
1586A
9648A
1610A
1598A
alarm
over temperature
T >75°C
overload tripping
I3=
I =
I1=
I2=
phase L1
5.42 S
9648 A
n
1586A
9648A
1610A
1598A
In this status, it's possible to access main page by pushing OK button .
The first display row shows the fault type . The second display row shows fault page . If there are sev-
eral faults or same fault on different phases, it's possible to enter main page by pushing OK button
and check the records in the fault history .
Summary of Contents for 0 281 64
Page 1: ...Unité de Protection Juin 17 LE08438AB Réf 0 281 64 65 66 67 68 ...
Page 2: ......
Page 27: ...Protection unit June 17 LE08438AB References 0 281 64 65 66 67 68 ...
Page 28: ......
Page 53: ...53 Protection unit ...
Page 54: ...54 Protection unit ...
Page 55: ...55 Protection unit ...
Page 56: ...LE08438AB ...