Technical Data; Enclosure - Grundfos CUE Series Installation And Operating Instructions Manual

16. Technical data

16.1 Enclosure

The individual CUE cabinet sizes are characterised by their
enclosures. The table shows the relationship of enclosure class
and enclosure type.
Typical shaft
power P2
1 x 200-240 V
IP20
[kW] [HP]
NEMA0
0.55 0.75
0.75 1
1.1 1.5 A3
1.5 2
2.2 3
3 4
3.7 5
4 5
5.5 7.5
7.5 10
11 15
15 20
18.5 25
22 30
30 40
37 50
45 60
55 75
75 100
90 125
42
3 x 200-240 V
IP21 IP55 IP20
NEMA1 NEMA12 NEMA0 NEMA12
A5
A2
B1 B1
A3
B1 B1
B2 B2 B3
B4
C3
C4
Example:
Read from the nameplate:
• Supply voltage = 3 x 380-500 V.
• Typical shaft power = 1.5 kW.
• Enclosure class = IP20.
The table shows that the CUE enclosure is A2.
Enclosure class and type
3 x 380-500 V 3 x 525-600 V
IP55 IP20 IP55 IP20
NEMA0 NEMA12 NEMA0
A2 A5
A3
A5
A2
A5 A3
A3
B1
B2 B3 B1
C1
B2
B4
C2
C1
C3
C4 C2
3 x 525-690 V
IP55 IP21 IP55
NEMA12 NEMA1 NEMA12
A5
A5
B2 B2
C2 C2