Annex; Overload Curve; Overload Protection In The Lower Speed Range - KEB COMBIVERT F4-S Serie Manual De Instrucciones

Annex

4. Annex

4.1 Overload curve

Inverter size ≤ ≤ ≤ ≤ ≤ 24
Time [s]
300
GB
270
240
210
180
150
120
90
60
30
0 105 110 115 120 125 130 135 140 145 150 160
The characteristic declines device-dependently in this range (see technical data)

4.2 Overload protection in the lower speed range

(only valid for F4-F, stall current see Page 9-13)
150%
105%
Permanent
current
(0 Hz)
GB - 40
170 180 190 200 210 220
Load [%]
E. OL2
0
I = stall current
T
K
T = Max.Heat sink temperature before error OH
OH
T = Heat sink temperature
K
Inverter size ≥ ≥ ≥ ≥ ≥ 25
Time [s]
300
270
240
210
180
150
120
90
60
30
0
Load [%]
3 Hz
180°C - T
x K
180°C - T
OH
105 110 115 120 125 130 135 140 145 150
E. OL
f [Hz]
Load [%]