ABB SACE Emax E4.2 - Page 204

ABB | SACE Emax 2
Electrical accessories
2 - Electrical signalling accessories
201 | © 2023 ABB | 1SDH001330R1002 - ECN000297030
S51: trip unit tripping
signalling contact
The S51 contact signals the opening of the circuit-breaker due to tripping of the Ekip protection trip unit.
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.
98
96
95
S51
S51 for E1.2
98
96
95
S5 1
S51 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
0.3A @ 0ms -
0.15A @ 10ms -
250V
0.3A @ 0ms -
0.15A @ 10ms -
AC 125V - 250V
1,5A cosφ 0,3 -
3A cosφ 0,7 -
5A cosφ 1 -
Minimum load 100mA @ 24V 1mA @ 5V
S51: Connections
More details are available in the website http://www.abb.com/abblibrary/DownloadCenter/, which also
includes the entire circuit diagram 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 1SDH000999r0605 and for E2.2-E4.2-E6.2 in the
kit sheet 1SDH001000r0605.