ABB SACE Emax 2 Series Operating Instructions Manual page 296

Low voltage air circuit-breaker
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293 | © 2023 ABB | 1SDH001330R1002 - ECN000297030
Continued from the previous page
Protections
In the event of protection or measurement alarms, the associated signals are reported:
Signal
Trip Test
Protection timing (for example: L timing)
Protection prealarm (for example: Prealarm G)
Protection (Trip off) [for example: S (Trip off) ]
2I Protection Active
Load LC1 / Load LC2
Iw1 Warning / Iw2 Warning
Harmonic dist.
Power factor
Phase cycle
Frequency
5th harmonic above Th / I sopra Th / THD I
above Th / THD V above Th
Type of alarm
Trip test performed signal. Press iTEST to reset
the message
Specific protection in time delay mode
Specific protection in prealarm
Specific protection, configured with trip
disabled, in alarm state
2I Protection active
Current threshold 1 I1 / 2 I1 exceeded and in
alarm state
Current threshold Iw1 / Iw2 exceeded and in
alarm state
Harmonic Distortion protection in alarm state
Power factor measurement (cosφ) less than set
threshold
Phase sequence protection in alarm state
Frequency measured off range (<30 Hz or >80
Hz)
Single or total harmonic measurement above
threshold
ABB | SACE Emax 2
Alarms or failures
2 - Self-diagnosis

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