External Connection
NOTICE!
Check correct phase rotation of mains input voltage!!
Max. input/output cables: 35mm2.
If there is no neutral input Dzn0 or Dyn11 input isolation transformer is required.
UPS | External | External | External PE | Maximum | External |
| Input Fuses* | Input Cable | Cable [mm2] | External | Output Cable |
| FM [A] | [mm2] |
| Output | [mm2] |
|
| Fuses* |
| ||
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| [A] |
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|
|
10kW | 20 | 4 | 4 | 16 | 2.5 |
|
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20kW | 40 | 10 | 10 | 32 | 6 |
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*DIN gL types
NOTICE!
All cable dimensions are recommended sizes only. Refer to local legal regulations.
UPS | External Alarm | External System | External Battery | External |
| Cable max. | Earth Cable | Breaker | Battery Cable |
| [mm2] | [mm2]** | [A] | [mm2] |
|
|
|
|
|
10kW | 2 | 4 | 25 | 4 |
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20kW | 2 | 4 | 50 | 10 |
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PVC cables isolated to withstand ambient temperature of max. 30oC
** Must be rated as external PE cable if mains system is not supplying PE
NOTICE!
If an MCCB is used instead of external input fuses, the MCCB load capacity must be 8xIn (nominal current) for min. 10ms.
14 | Installation Guide APC Silcon |
