1−12
The following table shows which models need derating.
1-ph 200V class Need
derating
3-ph 200V class Need
derating
3-ph 400V class Need
derating
WJ200-001S
- -
WJ200-001L
WJ200-004H
9
WJ200-002S
-
WJ200-002L
9
WJ200-007H
9
WJ200-004S
9
WJ200-004L
9
WJ200-015H
-
WJ200-007S
9
WJ200-007L
- -
WJ200-022H
WJ200-015S
- - -
WJ200-015L
WJ200-030H
WJ200-022S
- -
WJ200-022L
WJ200-040H
9
- - -
WJ200-037L
9
WJ200-055H
- - -
WJ200-055L
WJ200-075H
9
- -
WJ200-075L
9
WJ200-110H
9
- -
WJ200-110L
9
WJ200-150H
9
- - - -
WJ200-150L
9
9:need derating
-:need no derating
Use the following derating curves to help determine the optimal carrier frequency
setting for your inverter and find the output current derating. Be sure to use the
proper curve for your particular WJ200 inverter model number.
Legend for Graphs:
Ambient temperature 40℃ max., individual mounting
Ambient temperature 50℃ max., individual mounting
Ambient temperature 40℃ max., side-by-side mounting
Derating curves:
Models need no derating
2 4 6 8 10 12 16kH140
100%
80%
60%
40%
20%
HD
Carrier frequency
2 4 6 8 10 12 0
100%
80%
60%
40%
20%
14kH
ND
Carrier frequency
% of rated
output current