Rtc: Ready To Close Signalling Contact - ABB SACE Emax 2 Series Installation, Operation And Maintenance Instructions

RTC: ready to close signalling
45
46
48
RTC
234 | © 2013 ABB | 1SDH001000R0002 - L7804
The RTC contact indicates that the circuit-breaker is ready to receive a close command.
contact
The conditions necessary to allow the closing of the circuit-breaker are:
• circuit-breaker open
• springs loaded
• absence of an opening command or a lock in opening
NOTE: If the circuit-breaker is open as a result of the Ekip protection release tripping,
in order to allow it to be closed the Reset signal of the circuit-breaker must have been
restored (press the TU Reset button on the front).
The RTC contact is of the "switched" type and is available in a standard version or in the
versions for digital signals.
The following table provides information on the electrical characteristics:
Characteristics
DC
Breaking
capacity
AC
Minimum load
RTC: Connections
Further information is available on page 156, or on the site http://www.abb.com/abblibrary/
DownloadCenter/, where the wiring diagram is available 1SDM000091R0001.
Diagram 71
Information on the assembly is available from the web site http://www.abb.com/abblibrary/
DownloadCenter/, in particular with the kit sheet 1SDH001000R0604.
Standard
24V -
0.3A @ 0ms
125V
0.15A @ 10ms
0.3A @ 0ms
250V
0.15A @ 10ms
1A cos φ 0,3
125V
2A cos φ 0,7
- 250V
3A cos φ 1
50mA @ 24V
A4
X 46
XV
46
XB6 2
A1
RTC
XB6
XV
X
A4
Electrical accessories | 2 - Electrical signalling accessories
ABB | SACE Emax 2
Digital signals
0.1 A
-
-
-
-
-
-
-
1mA @ 5V
71
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48
3
1
45
45