hager hw+ User Manual

556LE008146B
Protection functions
4.4 Instantaneous protection against overcurrent
Instantaneous protection is designed to protect against high short circuit currents. This
protection is time-independent.
Instantaneous protection curve
I (A)
t (s) I
li
Instantaneous protection
Parameters
I
Activation Activation of the Ii protection
Ii (x In) Instantaneous protection threshold against overcurrent
The Instantaneous protection is adjusted from the PROTECTION INSTANTANEOUS menu of
the sentinel Energy display, the panel display or the Hager Power setup software.
Instantaneous protection setting against overcurrent
When the Activation parameter is O, the Instantaneous protection against overcurrents is
deactivated.
Adjusting the Ii pick-up setting
li pick-up adjustment range (x In)
1.5 to 15.0 x In in increments of 0.5.
The li threshold tolerance for Instantaneous overcurrent protection is ±15%.
Tripping time
Instantaneous overcurrent protection has no adjustable time delay.
The non-tripping time is 20 ms.
The maximum tripping time is 80 ms.
The maximum break time is 100 ms.
Trip
command
t non-tripping
tsd time delay
maximum tripping t
maximum break time
Opening of
contacts

hager hw+ Specifications

General

Brand	hager
Model	hw+
Category	Circuit breakers
Language	English