5V / 12V Waterpump 240L/H

Item number 54933 Brand Whadda Model WPM421 Share
5V / 12V Waterpump 240L/H


This is the Whadda WPM421 water pump. With this powerful small water pump, you can create your own customized watering system for plants or an automatic refill system for your aquarium, all using Arduino.

The water pump offers a voltage range of 5 VDC to 12 VDC, making it versatile and compatible with different power sources. It has a maximum current of 0.35 A at 12 VDC and a power consumption of 4.2 W at 12 VDC, ensuring efficient operation.

With a maximum flow rate of 240 L/H (63 gal/H) and a maximum head of 3 m (118"), this water pump provides reliable water circulation and delivery. Despite its powerful performance, it operates quietly with a noise level of less than 40 dB, ensuring a peaceful environment.

The water pump is designed to withstand various conditions. It has an IP68 rating, making it dustproof and waterproof, and can be used both submerged and above ground. Its durable ABS pump housing ensures longevity and resistance to wear and tear.

With a lifespan of over 30,000 hours, this water pump is built to last. Its brushless DC motor offers improved energy efficiency and durability, while the compact dimensions of 51 x 34 x 42.7 mm (2 x 1.34 x 16.8") and lightweight design of 80 g (0.176 lbs) make it easy to install and integrate into your projects.


  • Voltage range: 5 VDC to 12 VDC
  • Max. load current: 0.35 A at 12 VDC
  • Consumption: 4.2 W at 12 VCC
  • Max. volume: 240 L / H
  • Max lift: 3m
  • Noise level: <40 dB
  • IP standard: IP68
  • Lifespan:> 30,000 hrs
  • Outside diameter output: 8 mm
  • Outside diameter input: 8 mm
  • Drive system: brushless DC motor
  • Pump housing: ABS
  • Working conditions: suitable for continuous use, submersible or above-water (non-self-priming)
  • Dimensions: 51 x 34 x 42.7 mm
  • Weight: 80 g


Brand information
Brand Whadda
Size info
Length34 mm
Width51 mm
Height42,7 mm
Weight80 g
€ 14,30€ 11,85 Excl. VAT (NL)
Expected delivery date: Tuesday 23 July. ... pieces in stock
Show volume discounts Shipped from € 5,95 (NL) 30 days cooling-off Excellent service
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Customer questions

Q The Netherlands RoyCan this pump also be connected to a power bank with a capacity of 2200mAh and an output of DC 5V/1000mAh? Answer this question

Customer Reviews

The Netherlands
Works well Snel in huis
Works very well, easy to use and was delivered very quickly.
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The Netherlands
Meets expectation
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The Netherlands
Works perfectly on 12 volts, I couldn't get it to work with 5 volts. The packaging also only says 12 volts, so that may be an error in the description. A good service!
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5V / 12V Waterpump 240L/H Click a star to leave your review

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