Status of the circuit breaker
3.5 Status of the mechanical system
3WA Air Circuit Breaker Communication
20
System Manual, 11/2021, 92310000004-02
3.5
Status of the mechanical system
The register "Status of the circuit breaker mechanical system" is used for monitoring the
mechanical system of the circuit breaker.
Name
Register (0x0000 HEX)
Status of mechanical system of circuit breaker
0xCB3B
Description
Bit
Comment
Ready to close
0
All ready-to-close conditions fulfilled.
Stored energy mechanism charged
1
Main contacts closed
2
The main contacts of the circuit breaker
are closed/open.
Connected position
3
Withdrawable circuit breaker in the guide
frame in the connected position.
Test position
4
Withdrawable circuit breaker in the guide
frame in the test position.
Second auxiliary release active
5
The second auxiliary release has been
activated, the main contacts of the circuit
breaker are open.
ETU tripping
6
Protection tripping has occurred in the
circuit breaker, the main contacts of the
circuit breaker are open.
Stored energy mechanism defective
7
S40 signaling switch defective
8
Signaling switch on BSS200 (breaker sta-
tus sensor) module defective.
S41 signaling switch defective
9
S44 signaling switch defective
10
S46 signaling switch defective
11
S47 signaling switch defective
12
BSS200 error
13
BSS200 module probably needs to be
replaced, please contact Service.
Circuit breaker overtemperature
14
Temperature on BSS200 module too high,
function and service life of the module
can be affected.
BSS200 error
15
BSS200 module probably needs to be
replaced, please contact Service.
Fault in closing coil (CC)
16
It is probably no longer possible to close
the circuit breaker by means of a commu-
nication command, please contact Ser-
vice.
Fault in opening coil (ST)
17
It is probably no longer possible to open
the circuit breaker by means of a commu-
nication command, please contact Ser-
vice.
BSS200 error
18
BSS200 module probably needs to be
replaced, please contact Service.
Summary of Contents for SENTRON 3WA
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