ABB | SACE Emax 2
Electrical accessories | 2 - Electrical signalling accessories253 | © 2017 ABB | 1SDH001330R0002 - ECN000058721 Rev. A
2 - Electrical signalling accessories
AUX 4Q: auxiliary open-closed
contacts
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
Q4Q3Q2Q1
44
42
41
34
32
31
24
22
21
14
12
11
AUX 4Q for E1.2
Q4Q3Q2Q1
43
42
41
33
32
31
23
22
21
13
12
11
AUX 4Q for E2.2 - E4.2 - E6.2
The following table provides information on the electrical characteristics:
Characteristics Standard Digital signals
Breaking
capacity
DC
24V - 0.1 A
125V 0.5A @ 0ms / 0.3A @ 10ms -
250V 0.3A @ 0ms / 0.15A @ 10ms -
AC
250V
3A cos φ 0.3 -
5A cos φ 0.7 -
5A cos φ 1 -
400V
3A cos φ 1 -
2A cos φ 0.7 -
1A cos φ 0.3 -
Minimum load 100mA @ 24V 1mA @ 5V
AUX 4Q: Connections
Further information is available on page 174, or on the website http://www.abb.com/abblibrary/
DownloadCenter/, where the wiring diagram is available 1SDm000091r0001.
Information on the assembly is available on the website http://www.abb.com/abblibrary/DownloadCenter/,
in particular for E1.2 in the kit sheet 1SDH000999r0601 and for E2.2-E4.2-E6.2 in the kit sheet
1SDH001000r0601.