Electrical Signalling Accessories; Aux 4Q: Auxiliary Open-Closed Contacts - ABB SACE Emax 2 Installation, Operation And Maintenance Instructions For The Installer And The User
Low voltage air circuit-breakers
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2 - Electrical signalling accessories
Aux 4Q: auxiliary open-closed
contacts
11
21
31
12
22
32
14
24
34
Q1
Q2
Q3
78 | © 2017 ABB | 1SDH000999R0002 - ECN000058721 - Rev. B
The AUX 4Q contacts signal the open/closed state of the circuit-breaker.
These are "switching" contacts and are available in three types:
• four standard contacts
• four digital signals (low power)
• two standard contacts (Q1-Q2) + two digital signals (Q3-Q4)
NOTE: The standard AUX 4Q contacts are always included in the circuit-breakers
The following table provides information on the electrical characteristics:
Characteristics
DC
41
Breaking
42
capacity
AC
44
Q4
Minimum load
AUX 4Q: Connections
Further information is available on page 59, or on the site http://www.abb.com/abblibrary/DownloadCenter/,
where the wiring diagram is available 1SDM000091R0001.
Diagram 81
Information on the assembly is available on the web site http://www.abb.com/abblibrary/DownloadCenter/,
in particular with the kit sheet 1SDH000999R0601.
Standard
24V
-
125V
0.5A @ 0ms / 0.3A @ 10ms
250V
0.3A @ 0ms / 0.15A @ 10ms
3A cos φ 0.3
250V
5A cos φ 0.7
5A cos φ 1
3A cos φ 1
2A cos φ 0.7
400V
1A cos φ 0.3
100mA @ 24V
A4
X
12
14
22
24
XV
12
14
22
24
A1
Q/1
Q/2
XV
11
21
X
11
21
A4
Digital signals
0.1 A
-
-
-
-
-
-
-
-
1mA @ 5V
81
*B)
32
34
42
44
32
34
42
44
Q/3
Q/4
31
41
31
41
Electrical accessories | 2 - Electrical signalling accessories
ABB | SACE Emax 2
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