Grundfos Water Pump Horizontal Multistage Centrifugal 1.5HP, CM5-4 & Voltage stabilizer SUNTEK - Electrosheriff

Grundfos Water Pump Horizontal Multistage Centrifugal 1.5HP, CM5-4 & Voltage stabilizer SUNTEK

The Grundfos CM5-4 is a horizontal multistage centrifugal pump designed for various water supply applications including water treatment plants, irrigation, industrial processes, pressure boosting, and HVAC systems. With a 1.5 horsepower motor, it's capable of delivering considerable water pressure and flow rates.

Grundfos Water Pump Horizontal Multistage Centrifugal 1.5HP, CM5-4 & Voltage stabilizer SUNTEK


Here are some key features and specifications of the Grundfos CM5-4:

Multistage Design: The pump features multiple impellers arranged in series, allowing it to generate high pressure by gradually increasing the velocity of the fluid as it passes through each impeller stage.

Compact Design: The horizontal configuration and compact design make it suitable for installations where space is limited.

Robust Construction: Grundfos pumps are known for their durability and reliability. The CM5-4 is built with high-quality materials to withstand demanding operating conditions.

1.5HP Motor: The 1.5 horsepower motor provides sufficient power to drive the pump and deliver the required flow and pressure.

Efficiency: Grundfos pumps are designed for high efficiency, helping to reduce energy consumption and operating costs.

Easy Maintenance: The pump is designed for easy maintenance, with accessible components and simple service procedures.

Wide Range of Applications: The CM5-4 is suitable for various applications including residential, commercial, and industrial use where pressurized water supply is required.


Choosing the right voltage stabilizer for your Grundfos CM5-4 water pump depends on the motor's power rating and some additional safety considerations. Here's a guideline to help you select a Suntek voltage stabilizer:

Motor Power Conversion:

Grundfos CM5-4 water pump has a motor power of 1.5 HP.

Suntek voltage stabilizers are rated in kVA (kilovolt-ampere). We need to convert HP to kVA for selection.

Conversion from HP to kVA:

1 HP is approximately equal to 0.746 kW (kilowatt).

Multiply the motor power by the conversion factor to get kW: motor_power_kw = 1.5 HP * 0.746 kW/HP = 1.2 kW

Safety Factor:

It's recommended (taking into account starting currents) to choose a stabilizer with a capacity 45-50% higher than the appliance's rated power for safety.

Apply a safety factor of 1.5: safety_factor = 1.5

Minimum kVA Requirement:

Multiply the motor power in kW by the safety factor to get the minimum kVA requirement: min_kva_required = motor_power_kw * safety_factor = 1.2 kW * 1.5 = 1.8 kVA


Based on these calculations, the minimum recommended kVA rating for a Suntek voltage stabilizer for your Grundfos CM5-4 water pump is approximately 1.8 kVA.

Relay or servomotor voltage regulator:

For pumps, we always choose a relay type of stabilization - instant control of the output voltage will not allow your pump to operate at low or high voltage even for a split second.


An excellent choice would be the relay voltage stabilizer SUNTEK 2kVA

Voltage stabilizer SUNTEK 2000va

Important Note:

Do not hesitate to contact the specialists of the Electrosheriff company, we will offer you the best option for your case free of charge and promptly.

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