HydroCraft
Grundfos CMBE 3-62, Powerful high-head booster pump with speed control

CMBE 3-62

Grundfos CMBE 3-62

Powerful high-head booster pump with speed control

GrundfosHydroCraft partner

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.

Maximum head
62 m
Maximum flow rate
25 GPM / 5.7 m³/h
Rated flow rate
4.2 m³/h / 70 l/min
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Features

What Grundfos CMBE 3-62 offers

  • 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
  • Compact all-in-one design for easy installation
  • Speed range 360–4000 rpm
  • IP55 protection rating

Applications

Where it is used

  • Domestic water supply
  • Pressure boosting in residential buildings
  • Multi-storey buildings
  • Commercial premises
  • Irrigation systems
  • Circulation systems
Supply, installation and servicePumps and pressure systems

Technical data

Grundfos CMBE 3-62 specifications

Key parameters

Model
CMBE 3-62 I-U-C-D-D-A
Part number
98374693
Pump type
Horizontal multistage centrifugal
Rated flow rate
4.2 m³/h / 70 l/min
Maximum flow rate
25 GPM / 5.7 m³/h
Rated head
45.2 m
Maximum head
62 m
Maximum working pressure
10 bar (145 psi)
Number of impellers
4

Electrical data

Power P2
1.1 kW
Power (HP)
1.5 HP
Voltage
1 × 200–240 V
Frequency
50/60 Hz
Maximum current
6.70–5.60 A
Rated speed
3780 rpm
Speed range
360–4000 rpm
Protection rating (pump)
IP55
Protection rating (sensor)
IP44
Insulation class
F

Operating conditions

Liquid temperature
0–60 °C
Maximum ambient temperature
55 °C
Operating temperature
−20 to +50 °C
Storage temperature
−30 to +60 °C
Noise level
≤ 55 dB(A)
Pumped medium
Clean water

Connections and dimensions

Connection (inlet)
Rp 1" (Whitworth)
Connection (outlet)
Rp 1"
Dimensions (L × W × H)
345 × 217 × 440 mm
Net weight
16.9 kg
Gross weight
27 kg
Diaphragm vessel capacity
2 litres
Non-return valve
Yes

Materials

Pump body
Stainless steel DIN W.-Nr. 1.4301 / AISI 304
Impellers
Stainless steel DIN W.-Nr. 1.4301 / AISI 304
Flange
Cast iron
Stator housing
Silumin (aluminium)
Terminal box
Composite material
Seals
EPDM
Seal type
AVBE

Certification

Certification
CE, MORO

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Enquiry about Grundfos CMBE 3-62

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