Recommended Upstream Protection and Cable Sizes for 400 kW UPS
Maximum OCPD (A) |
Conductors per Phase Copper/Aluminium (mm²) |
PE Conductor (mm²) |
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380 V | 400 V | 415 V | 440 V | 380 V | 400 V | 415 V | 440 V | 380 V | 400 V | 415 V | 440 V | |
Input | 800* | 800* | 800* | 800* | 2x150 / 2x240 | 2x150 / 2x240 | 2x150 / 2x240 | 2x150 / 2x240 | 1x150 / 1x240 | 1x150 / 1x240 | 1x150 / 1x240 | 1x150 / 1x240 |
Bypass | 630* | 630* | 630* | 630* | 2x120 / 2x185 | 1x240 / 2x150 | 1x240 / 2x150 | 1x240 / 2x150 | 1x120 / 1x185 | 1x120 / 1x150 | 1x120 / 1x150 | 1x120 / 1x150 |
Output | 630* | 630* | 630* | 630* | 2x120 / 2x185 | 1x240 / 2x150 | 1x240 / 2x150 | 1x240 / 2x150 | 1x120 / 1x185 | 1x120 / 1x150 | 1x120 / 1x150 | 1x120 / 1x150 |
Battery | 1000 | 1000 | 1000 | 1000 | 2x185 / 3x185 | 2x185 / 3x185 | 2x185 / 3x185 | 2x185 / 3x185 | 1x185 / 2x150 | 1x185 / 2x150 | 1x185 / 2x150 | 1x185 / 2x150 |