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ABB | SACE Emax 2
Electrical accessories | 2 - Electrical signalling accessories
235 | © 2013
ABB |
1SDH001000R0002 - L7804
S51: release tripping signalling
contact
98
96
95
S51
The S51 contact signals the opening of the circuit-breaker due to tripping of the Ekip protection
release.
It is available in two different types:
• standard contact
• contact for digital signals
NOTE:
The standard S51 contact is always included in automatic circuit-breakers,
and is associated with the TU Reset mechanical signalling.
The following table provides information on the electrical characteristics:
Characteristics
Standard
Digital signals
Breaking
capacity
DC
24V
-
0.1 A
125V
0.3A @ 0ms
-
0.15A @ 10ms
-
250V
0.3A @ 0ms
-
0.15A @ 10ms
-
AC
125V
- 250V
1,5A cos
φ
0,3
-
3A cos
φ
0,7
-
5A cos
φ
1
-
Minimum load
100mA @ 24V
1mA @ 5V
S51: Connections
Further information is available on page 156, or on the site http://www.abb.com/abblibrary/
DownloadCenter/, where the wiring diagram is available
.
A4
X
XV
X
XV
A1
A4
96
95
95
95
98
98
98
96
96
XB7
1
3
XB7
2
S51
11
Diagram 11
Information on the assembly is available from the web site http://www.abb.com/abblibrary/
DownloadCenter/, in particular with the kit sheet
.