Grundfos CRE Series Installation And Operating Instruction page 14

7.8.3.1 Cable cross-section data for MLE motors
3 × 440-480 V, 60 Hz, Model K
Speed Power P2
[rpm]
3500-4000
14
Supply voltage
[HP] [V]
20 3 × 440-480
25 3 × 440-480
30 3 × 440-480
Service factor
Nominal current
current
[A]
[A]
23.1 - 21.8 27.3 - 24.8
28.5 - 26.4 32.9 - 30.2
34.3 - 31.6 39.4 - 36.2
Cable cross-section
[AWG]
8
8
8