Recommended Cable Sizes for 400 V
DANGER |
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hazard of electric shock, explosion, or arc flash
All wiring must comply with all applicable national and/or electrical codes.
Failure to follow these instructions will result in death or serious injury.
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Cable sizes in this manual are based on table B.52.5 of IEC 60364-5-52 with the following assertions:
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90 °C conductors
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An ambient temperature of 30 °C
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Use of copper conductors
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Installation method C
If the ambient temperature is greater than 30 °C, larger conductors are to be selected in accordance with the correction factors of the IEC.
Cable Size for Cables Between UPS and Battery Breaker for Easy UPS 3M
Battery breaker boxes | Connection | 60 kVA | 80 kVA | 100 kVA | 120 kVA | 160 kVA | 200 kVA |
---|---|---|---|---|---|---|---|
1xE3MBBB60K80H | DC+, N, DC- (mm²) | 50 | 70 | – | – | – | – |
PE (mm²) | 25 | 35 | – | – | – | – | |
2xE3MBBB60K80H | DC+, N, DC- (mm²) | 50 | 50 | 50 | 50 | 70 | – |
PE (mm²) | 25 | 25 | 25 | 25 | 35 | – | |
1xE3MBBB100K200H | DC+, N, DC- (mm²) | – | – | 2 x 70 | 2 x 70 | 2 x 95 | 2 x 120 |
PE (mm²) | – | – | 70 | 70 | 95 | 120 | |
2xE3MBBB100K200H | DC+, N, DC- (mm²) | – | – | – | 150 | 150 | 150 |
PE (mm²) | – | – | – | 95 | 95 | 95 |
Cable Size per String for Cables Between Battery Breaker and Battery Bank For Easy UPS 3M
Number of battery strings | Connection | 60 kVA | 80 kVA | 100 kVA | 120 kVA | 160 kVA | 200 kVA |
---|---|---|---|---|---|---|---|
1 battery string | Batt+, N, Batt- (mm²) | 50 | 70 | 2 x 70 | 2 x 70 | 2 x 95 | 2 x 120 |
PE (mm²) | 25 | 35 | 70 | 70 | 95 | 120 | |
2 battery strings | Batt+, N, Batt- (mm²) | 25 | 35 | 70 | 70 | 95 | 120 |
PE (mm²) | 16 | 16 | 35 | 35 | 50 | 70 | |
3 battery strings | Batt+, N, Batt- (mm²) | 16 | 16 | 50 | 50 | 50 | 70 |
PE (mm²) | 16 | 16 | 25 | 25 | 25 | 35 | |
4 battery strings | Batt+, N, Batt- (mm²) | 16 | 16 | 35 | 35 | 35 | 50 |
PE (mm²) | 16 | 16 | 16 | 16 | 16 | 25 |
Cable Size for Cables Between UPS and Battery Breaker for Easy UPS 3L
Battery breaker boxes | Connection | 250 kVA | 300 kVA | 400 kVA | 500 kVA | 600 kVA |
---|---|---|---|---|---|---|
1 x E3MBBB100K200H | DC+, DC- (mm²) | 2 x 120 | 2 x 120 | 2 x 120 | – | – |
PE, N (mm²) | 120 | 120 | 120 | – | – | |
2 x E3MBBB100K200H | DC+, DC- (mm²) | 2 x 70 | 2 x 95 | 2 x 120 | 2 x 120 | 2 x 120 |
PE (mm²) | 70 | 95 | 120 | 120 | 120 | |
N (mm²) | 120 | 120 | 120 | 120 | 120 | |
3 x E3MBBB100K200H | DC+, DC- (mm²) | – | – | – | 2 x 120 | 2 x 120 |
PE, N (mm²) | – | – | – | 120 | 120 |
Cable Size per String for Cables Between Battery Breaker and Battery Bank for Easy UPS 3L
Number of battery strings* | Connection | 250 kVA | 300 kVA | 400 kVA | 500 kVA | 600 kVA |
---|---|---|---|---|---|---|
1 battery string | Batt+, N, Batt- (mm²) | 2 x 120 | 2 x 120 | 2 x 120 | 2 x 120 | 2 x 120 |
PE (mm²) | 120 | 120 | 120 | 120 | 120 | |
2 battery strings | Batt+, N, Batt- (mm²) | 120 | 120 | 120 | 120 | 120 |
PE (mm²) | 70 | 70 | 70 | 70 | 70 | |
3 battery strings | Batt+, N, Batt- (mm²) | 70 | 70 | 70 | 70 | 70 |
PE (mm²) | 35 | 35 | 35 | 35 | 35 | |
4 battery strings | Batt+, N, Batt- (mm²) | 50 | 50 | 50 | 50 | 50 |
PE (mm²) | 25 | 25 | 25 | 25 | 25 |