Siemens SENTRON 3WL10 Manual page 110
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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Accessories
3.2 Electromechanical accessories
Auxiliary switch AUX
The auxiliary contacts signal the current CLOSED or OPEN position of the circuit breaker.
The four internal auxiliary contacts AUX 4CO are installed in each circuit breaker and non-
automatic air circuit breaker as standard. The user can modify these for 24 V digital signals
or mixed contacts during device configuration as shown in the following table. An additional
external breaker position query is possible with an expansion by 15 external auxiliary
switches with AUX 15CO. You will find the necessary modification of the circuit breaker side
wall in Chapter External accessories (Page 117).
If both auxiliary contact modules are installed, up to 19 auxiliary contacts CLOSED / OPEN
are available.
Configuration
Standard contact
Contact for
digital signal
Mixed signals
AUX 2CO + 2CO
Type
Smallest load
Breaking capacity
108
AUX 4CO / 2CO + 2CO
4 auxiliary contacts (internal)
✓
✓
✓
Standard contact
Changeover contact
DC
24 V
125 V
250 V
AC
250 V
400 V
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Additional external 15 auxiliary
Contact for digital signal
100 mA at 24 V
—
0.3 A at 10 ms
0.15 A at 10 ms
5 A at cosφ 1
5 A at cosφ 0.7
5 A at cosφ 0.3
3 A at cosφ 1
2 A at cosφ 0.7
1 A at cosφ 0.3
Manual, 10/2018, L1V30499596002-01
AUX 15CO
contacts
✓
✓
✓
Changeover contact
1 mA at 5 V
0.1 A
—
—
—
—
—
—
—
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