ABB SACE Tmax XT5 Operation And Maintenance Manual page 50

Tmax low voltage moulded-case circuit-breakers xt5
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Harmonic distortion Allows an alarm to be activated in the case of distorted wavefoms.
T Protection T protection protects against abnormal temperatures recorded by the unit.
Hardware Trip Hardware Trip protects against connection errors in Ekip Touch and is available in the Settings - Circuit
48 | © 2019 ABB | 1SDH002039A1002 - ECN000093027 - Rev. A
The protection can be enabled in the Measurements menu; if enabled an alarm is activated (page 32).
IMPORTANT: the protection does not handle the trip, just the signal
It is always activated and invoves two statuses, depending on the temperature reading:
State
Temperature range [°C]
Warnings
-40 < t < -25 or 70 < t < 85
Alarm
t < -40 or t > 85
The Trip Enabling parameter can be enabled in the Settings - Circuit breaker menu in order to handle an open
command if an alarm occurs (page 33).
breaker - Hardware Trip menu (page 32).
If enabled, if one or more of these events are detected:
• current sensors disconnected (phase or external if enabled)
• Rating Plug disconnected.
• Trip Coil disconnected
• faults inside the unit
alarm is signaled and an open command is transmitted.
IMPORTANT:
• the protection trips if the error statuses persist for more than one second
• only signaling is managed if an alarm occurs due to Trip coil disconnection
Ekip Touch actions
Display off; Warning led on @ 0.5 Hz
Display off; Alarm and Warning leds on @ 2 Hz
Protections | 1 - Standard Protections
ABB | SACE Tmax XT

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