3 power loss and cooling air volume, Power loss and cooling air volume – Lenze EDB9300UES User Manual

Page 14

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Technical Data

BA8230

9

2.2.3 Power loss and

The rise in temperature of the cooling air at rated current is

∆ϑ

16 °C for the

cooling air volume

cooling air volume stated and when the installation clearances are maintained.

8230 frequency inverter Frame size

Cooling air

volume

2)

Rated current Power loss

1)

[kW]

at rated current and 3AC supply voltage

[m³/h]

[A]

400 V

460 V

480 V

8331

8

580

257

3,73

3,84

3,88

8232

8A

730

304

4,45

4,63

4,70

8233

9

950

396

5,55

5,80

5,88

8234

9A

1100

483

6,50

6,80

6,88

Table 5: Power loss and cooling air volume at rated current

1)

The values stated apply to a pulse frequency of fp = 3 kHz

2)

The values apply to a static pressure increase of

p

32 Pa between cooling air

inlet and outlet.

8230 frequency inverter Frame size

Cooling air

volume

2)

Rated current Power loss

1)

[kW]

at rated current and 3AC supply voltage

[m³/h]

[A]

400 V

460 V

480 V

8331

8

580

216

3,14

3,22

3,24

8232

8A

730

257

3,78

3,94

4,00

8233

9

950

325

4,54

4,74

4,83

8234

9A

1100

400

5,60

5,85

5,96

Table 6: Power loss and cooling air volume at 1.5 x rated current

1)

The values stated apply to a pulse frequency of fp = 3 kHz

2)

The values apply to a static pressure increase of

p

32 Pa between cooling air

inlet and outlet.

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