hager hw+ User Manual

1056LE008146B
Alarm management
7.1 Signalling and alarm warning
With the sentinel Energy trip unit, there are 9 types of alarms:
- Overload prealarm PTA
- Overload alarm > Ir
- Trip alarms
- Custom alarms (configurable)
- Advanced protection alarms
- Voltage Dip and Swell monitoring alarms
- System alarms
- Maintenance alarm
- Low or missing back-up battery alarm
The sentinel Energy alarms follow a colour code display according to their severity.
- Red: alarm associated with a potentially serious event of high severity, causing the circuit
breaker to trip, before an imminent tripping or indicating a serious failure in the circuit breaker
resulting in it being unable to perform its protection functions.
- Orange: alarm associated with an event of medium to low severity following an operational
incident or an incident in the electrical installation not required the circuit breaker to be
tripped.
The following alarms are signalled on the sentinel Energy display by an icon in the notification
area:
- Overload prealarm PTA
- Overload alarm > Ir
- Maintenance alarm
- Low or missing back-up battery alarm
LONG TIME
Ir
640A
0.40xIn
Ir
0.5str
Thi
CURVE
1
2 3 4 5
6
1
Bluetooth appears as soon as the Bluetooth connection is activated.
2
Low or missing battery
indicator alarm
displayed if the sentinel Energy trip unit backup battery needs to be
changed or is not connected.
3
Maintenance alarm
indicator
displayed when maintenance is required.
4
System alarm indicator
appears when a system alarm is present and the INFORMATION
ALARM HISTORY menu has not been viewed yet.
5
Overload prealarm alarm
indicator
appears when the current crosses the PTA 1 threshold. Allows
warnings about a risk of imminent overload.
6
Overload alarm indicator flashes when current exceeds 105% of Ir and is fixed above 112.5 %
of Ir and allows alerts about a risk of imminent tripping.

hager hw+ Specifications

General

Brand	hager
Model	hw+
Category	Circuit breakers
Language	English