Optional voltage
| Model | 623 | 611 | 1011 | 2011 | 1221 | 2021 |
|---|---|---|---|---|---|---|
| 1N~(2~)/220-240V/50-60Hz | x | x | ||||
| 3~/200-208V/50-60Hz | x | x | x | x | x | x |
| 3~/220-240V/50-60Hz | x | x | x | x | x | x |
| 3~/400V/50-60Hz | x | x | x | x | x | x |
| 3~/440-480V/50-60Hz* | x | x | x | x | x | x |
| 3~/400V/50-60Hz* | x | x | x | x | ||
| 3~/440-480V/50-60Hz* | x | x | x | x |
* Even for Marine version. Marine version is not available for boiler, gas units and for sizes 1221, 2021.
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