Brushless DC Water Pump: DC45D
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Product Rendering
Drive external version Driver built-in version
Product Features
Product Name: Brushless DC Water Pump DC45D Weight： 0.3kg Model： DC45D Lifespan： ≥30000hContinuous Protection Grade： IP68 Colour： Black Certificates： CE,ROSH Housing material： PPO+30%GF Noise level： ≤35dB Sealing： ≥0.5MPa（5kg） Insulation Rating： H级（180°） Principle of operation： Centrifugal pumps, magnetic pumps Application： Cooling circulating heat dissipation system Scope of use
Type of liquid used：
Oily media, water, acids, alkalis, salts and other fluid liquids Temperature of liquid used：
-30°—100°Three-phase plate internal non-submersible / three-phase plate external submersible
Speed control method：
*PWM speed regulation: amplitude 5V 50-800HZ can be customised.
*0-5V speed regulation
*Potentiometer speed regulation: resistance range 4.7K ~ 20K
Type of power supply：
DC power supply, solar panel, battery Basic parameters (parameters can be customised)
Product Model DC45D-1240PWM
DC45D-1240VR
DC45D-1240S
DC45D-1260PWM
DC45D-1260VR
DC45D-1260S
DC45D-2475PWM
DC45D-2475VR
DC45D-2475S
DC45D-2490PWM
DC45D-2490VR
DC45D-2490S
(No built-in version)
PWM:PWM speed regulation (50-800HZ/ 5V)
VR:0~5V/potentiometer speed regulation
S:Fixed speed
T:Two phase version
Rated Voltage 12V DC 12V DC 24V DC 24V DC Operating Voltage Range 5-12V
5-12V
5-26V
5-26V
Within this range, the pump can work normally Rated current 0.75A
1.6A（2A）
1A（1.3A）
1.3A（1.7A）
Closed outlet current (open pumping current) Input power 9W（12W）
20W（25W）
24W（30W）
30W（40W）
Closed outlet power (open pumping power) Maximum flow rate 900L/H
1200L/H
1250L/H
1350L/H
Open mouth flow rate
Maximum head 4M
6M
7.5M
8M
Static head Minimum input power 12V-1A
12V-2A
24V-2A
24V-2A
Description of additional functions
Jamming protection Pump stops working when jammed Water shortage/idling protection The pump will stop (8 seconds) and run (3 seconds) cyclically when the pump runs out of water or idles, customised protection strategies are available. Overload protection When the voltage is unstable or for other reasons exceeds the rated power of the pump, the pump stops running. Reverse power connection The pump stops running when the positive and negative poles of the power supply are reversed, and then works normally after reconnecting the power supply. Pump driver built-in 
Suitable for external land use Pump driver external 
Suitable for high temperature or corrosive solution submersible installation Flow rate and head curve
Dimensional drawings
Parameter Test Installation Diagram
Note: This product does not have the function of self-priming, so when installing, you need to ensure that there is enough water in the gland cavity, i.e. you need to ensure that the centre of the pump is lower than the liquid level in the tank when installing, in order to ensure that the pump can operate normally!
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