Grundfos

CMBE 3-62
Grundfos CMBE 3-62
Powerful high-head booster pump with speed control
Grundfos CMBE 3-62 is a high-efficiency compact booster system with an increased head of 62 metres, suitable for larger residential and commercial applications. The system comprises a CME pump with an integrated variable frequency drive, a diaphragm vessel, a pressure gauge, a pressure and flow sensor, a controller and a 5-way fitting with a non-return valve. The four AISI 304 stainless steel impellers deliver high performance, while the permanent-magnet motor ensures quiet, energy-efficient operation.
Features
- High-efficiency permanent-magnet motor (ECM)
- Integrated variable frequency drive for constant pressure
- 4 impellers for a high head of up to 62 m
- Low noise level — ≤ 55 dB(A)
- Dry-running protection with automatic restart
- AISI 304 stainless steel body and impellers
- Integrated diaphragm vessel to prevent pressure fluctuations
- Компактен дизайн "всичко в едно" за лесен монтаж
- Speed range 360–4000 rpm
- IP55 protection rating
Applications
Domestic water supplyPressure boosting in residential buildingsMulti-storey buildingsCommercial premisesIrrigation systemsCirculation systems
Technical specifications
Key parameters
ModelCMBE 3-62 I-U-C-D-D-A
Part number98374693
Pump typeHorizontal multistage centrifugal
Rated flow rate4.2 m³/h / 70 l/min
Maximum flow rate25 GPM / 5.7 m³/h
Rated head45.2 m
Maximum head62 m
Maximum working pressure10 bar (145 psi)
Number of impellers4
Electrical data
Power P21.1 kW
Power (HP)1.5 HP
Voltage1 × 200–240 V
Frequency50/60 Hz
Maximum current6.70–5.60 A
Rated speed3780 rpm
Speed range360–4000 rpm
Protection rating (pump)IP55
Protection rating (sensor)IP44
Insulation classF
Operating conditions
Liquid temperature0–60 °C
Maximum ambient temperature55 °C
Operating temperature−20 to +50 °C
Storage temperature−30 to +60 °C
Noise level≤ 55 dB(A)
Pumped mediumClean water
Connections and dimensions
Connection (inlet)Rp 1" (Whitworth)
Connection (outlet)Rp 1"
Dimensions (L × W × H)345 × 217 × 440 mm
Net weight16.9 kg
Gross weight27 kg
Diaphragm vessel capacity2 litres
Non-return valveYes
Materials
Pump bodyStainless steel DIN W.-Nr. 1.4301 / AISI 304
ImpellersStainless steel DIN W.-Nr. 1.4301 / AISI 304
FlangeCast iron
Stator housingSilumin (aluminium)
Terminal boxComposite material
SealsEPDM
Seal typeAVBE
Certification
CertificationCE, MORO
* The specifications are for the model given by the part number. For other configurations, get in touch.
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