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Grundfos NBE - Technical Data; Enclosure

Grundfos NBE
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11. Technical data
11.1 Enclosure
The individual CUE cabinet sizes are characterised by their enclosures. The table shows the relationship of enclosure class and enclosure
type. The enclosure can be identified on the basis of typical shaft power, voltage and IP class.
Example:
Read from the nameplate:
Supply voltage = 3 × 380-500 V.
Typical shaft power = 1.5 kW (2 hp).
Enclosure class = IP20.
The table shows that the CUE enclosure is A2.
Typical shaft power
P2
Enclosure
1 x 200-240 V 3 x 200-240 V 3 x 380-500 V 3 x 525-600 V 3 x 525-690 V
[kW] [hp] IP20 IP21 IP55 IP20 IP55 IP20 IP55 IP20 IP55 IP21 IP55
0.55 0.75
A2 A4
0.75 1
A2 A4 A3
A5
1.1 1.5 A3 A5
1.5 2
B1 B1
2.2 3
3 4
A3 A5
A2/A3
3.7 5
4 5 A2 A4
A3 A5
5.5 7.5 B1 B1
B3 B1
A3 A5
7.5 10 B2 B2
11 15
B3 B1 B3 B1
B2 B2
15 20
B4
B2
18.5 25
C1
22 30
C3
B4
B2
B4
B2
30 40
37 50
C4 C2
C1 C1
C2 C2
45 60
C3 C3
55 75
75 100
C4 C2 C4 C2
90 125
Related information
5. Mechanical installation
26
English (US)

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