Siemens SENTRON 3WL10 Manual page 207
Air circuit breaker
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Also See for SENTRON 3WL10:
- Equipment manual (272 pages) ,
- Manual (234 pages) ,
- Manual (58 pages)
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L
S
Flashing fast
(2 Hz)
On
On
On
Flashing fast
(2 Hz)
Flashing fast
(2 Hz) with 2 s
pause
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Manual, 10/2018, L1V30499596002-01
I
G
Flashing fast
(2 Hz)
On
On
Alarm / status
Measure / comment
Temperature alarm
Lower the ambient
temperature or
reduce the continuous
operating current.
Pre-alarm L, power
flow is greater than
90 % of the threshold
value
Circuit breaker has
Clear faults in the
been tripped by the L
power system and
release
close the circuit brea-
ker again.
Circuit breaker has
Clear faults in the
been tripped by the S
power system and
release
close the circuit brea-
ker again.
Circuit breaker has
Clear faults in the
been tripped by the I
power system and
release
close the circuit brea-
ker again.
Circuit breaker has
Clear faults in the
been tripped by the G
power system and
release
close the circuit brea-
ker again.
Threshold has been
Reduce rated current
exceeded, tripping
(disconnect loads)
delay is elapsing
Parameter error, rotary
Check and correct:
coding switch in wrong
•
position
•
•
Operation
6.2 Alarms
I
< I
or I
< I
r
sd
sd
i
I
< (2 x I
x I
) if
u
n
r
I
= 200 %
N
I
> 0.25 x I
with a
g
n
rating plug for
400 A;
otherwise
I
> 0.2 x I
g
n
205
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