21
Set the value for the time delay of I2>> definite time.
Thermal OL Menu
Heading of Thermal OL (Overload) menu. Press Enter to enter
submenu content.
Set to Yes to enable thermal overload protection. Then the following
menu is displayed.
Set the value for the thermal overload I
θ
>.
Set the value for the thermal time constant.
Set the value for the k factor.
Set the percentage of the thermal overload trip.
Set the percentage of the thermal overload alarm.
(To disable this alarm, set this value to equal or higher than
θ
Trip %)
Autoreclose Menu
Refer to 5.5 Autoreclose for more detail explanation.
Heading of autoreclose menu. Press Enter to enter submenu content.
Set to Yes to enable autoreclose function. Then the following menu is
displayed.
Set the dead time for reclose cycle 1. The dead time starts when the
CB has
opened (52A input deactivates) and the involved protection
threshold reset
Set the dead time for reclose cycle 2.
4.4 Thermal OL
Thermal OL?
Yes
I
θ
>
1.50In
T
θ
>
10min
k>
1.10
θ
Trip
100%
θ
Alarm
100%
tI2>>
100ms
4.5 Autoreclose
Autoreclose?
Yes
Dead Time
tD1 2.00s
Dead Time
tD2 3.00s