3. Operation and Display
EM-GU User’s Manual
10
Note: t means action time, Tp means running OL class, I means running current
，
Ip means motor rated
current.
The table of motor overload protection characteristics is as follows:
Overload
Class
Overload capacity
1.05Ie
1.2Ie
1.5Ie
2Ie
3Ie
4Ie
5Ie
6Ie
1
∞
79.5s
28s
11.7s
4.4s
2.3s
1.5s
1s
2
∞
159s
56s
23.3s
8.8s
4.7s
2.9s
2s
5
∞
398s
140s
58.3s
22s
11.7s
7.3s
5s
10
∞
795.5s
280s
117s
43.8s
23.3s
14.6s
10s
20
∞
1591s
560s
233s
87.5s
46.7s
29.2s
20s
30
∞
2386s
840s
350s
131s
70s
43.8s
30s
Note:
∞
means no action.
Motor overload protection characteristic curve diagram
F20
Starting Over Current(OC) P.C.
Range: 50%-600% (Default: 500%)
Description: Set the multiple of overcurrent for soft starter starting.
F21
Starting Over Current(OC) Time
Range: 0s-120s (Default: 5s)
Description: Set the overcurrent protection trigger delay time when the soft starter starting.
F22
Running Over Current(OC) P.C.
Range: 50%-600% (Default: 200%)
Description: Set the multiple of overcurrent for soft starter running.
F23
Running Over Current(OC) Time
Range: 0s-6000s (Default: 5s)
Description: Set the overcurrent protection trigger delay time when the soft starter running.
F24
Over Voltage P.C.
Range: 100%~140% (Default: 120%)
Description: Set the multiple of overvoltage for soft starter.
F25
Over Voltage Time
Range: 0s~120s (Default: 5s)
Description: Set soft starter overvoltage protection trigger delay time.
F26
Under Voltage P.C.
