Grundfos

NBE 250-400/281

Code: 93032658 EAN: 5715123251974
Type NBE
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Technical specifications

Pump typeNBE
Nominal flow (m³/h)621.7 m³/h
Nominal head (m)18.51 m
Minimum efficiency index (MEI)0.50
Power P2 (kW)45 kW
Phases3
Phases3
Voltage (V)400 V
Frequency (Hz)50 Hz
Enclosure classIP55
Frequency converterBuilt-in
Max. liquid temp. (°C)120 °C
Min. liquid temp. (°C)-25 °C
Max. ambient temp. (°C)50 °C
Max. operating pressure10 bar
Connection pressure ratingPN 10
Pump housing materialCast iron
Impeller materialCast iron
Shaft sealBQQE
Gross weight866 kg
Net weight764 kg
Motor number92928099
EAN code5715123251974

Performance curve

Performance curve NBE 250-400/281

Hover over the curve to read flow and head at any point.

Documents and datasheets

Variants & alternative codes

Equivalent alternatives

Pumps in the same hydraulic class as 93032658 (equivalent flow and head), available in the catalogue.

Grundfos 93032658