Cable Requirements - Grundfos MGE Serie Montage- Und Betriebsanleitung

4.2.5 Cable requirements

DANGER
Electric shock
Death or serious personal injury
‐
Comply with local regulations as to cable cross-sections.
‐
Use the recommended fuse size.
Cable cross-section
1 x 200-230 V
Power
[kW]
0.25 - 1.5
3 x 380-500 V
Power
[kW]
0.25 - 2.2
3.0 - 11
3 x 200-240 V
Power
[kW]
1.1 - 1.5
2.2 - 5.5
Conductor types
Stranded or solid copper conductors.
Conductor temperature ratings
Temperature rating for conductor insulation: 60 °C (140 °F).
Temperature rating for outer cable sheath: 75 °C (167 °F).
4.2.5.1 Single-phase connections
The cables in the terminal box must be as short as possible. However, the separated protective earth conductor must be so long that it is the
last one to be disconnected in case the cable is inadvertently pulled out of the cable entry.
Check that the supply voltage and frequency correspond to the values stated on the nameplate.
If you want to supply the product through an IT network, make sure that you have a suitable product variant. If you are in doubt,
contact Grundfos.
Mains connection on a single-phase motor
PE
L
N
Pos.
PE
L
N
Cross-section
2
[mm ]
1.5 - 2.5
Cross-section
2
[mm ]
1.5 - 10
2.5 - 10
Cross-section
2
[mm ]
1.5 - 10
2.5 - 10
Description
Protective earth
Phase
Neutral
[AWG]
16-12
[AWG]
16-8
14-8
[AWG]
16-8
14-8
15