Page 247 - Sace Emax 2 Manual for design engineers

ABB | SACE Emax 2
S51: trip unit tripping signalling The S51 contact signals the opening of the circuit-breaker due to tripping of the Ekip protection trip unit.
contact 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.

95

96
98
S51

S51 for E1.2

95
96

98
S5 1

S51 for E2.2 - E4.2 - E6.2
The following table provides information on the electrical characteristics:
Characteristics Standard Digital signals
24V - 0.1 A
0.3A @ 0ms -
125V
DC 0.15A @ 10ms -
Breaking 250V 0.3A @ 0ms -
capacity 0.15A @ 10ms -
1.5A cos φ 0.3 -
AC 125V - 250V 3A cos φ 0.7 -
5A cos φ 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.

245 | © 2020 ABB | 1SDH001330R1002 - ECN000134959 - Rev. A Electrical accessories | 2 - Electrical signalling accessories