1)How to convert HP into KW ?
The conversion formula as :1HP=0.74KW
for example: 3HP=3x0.74HP=2.22KW.
2)How to choose the power of your pump controller?
Normally we need choose bigger power to run the water pump or motors,.If the pump rated power is 4KW,Pump controller should choose 7.5KW.
3)Can I have the samples of your pump controller ?
Yes, we can send you the pump controller samples for your testing .
4)Can you provide OEM or ODM ?
Yes,we can make the orders according to your detailed request.
5)what is your delivery time?
It takes 3-5 days for sample orders,and 15-20 days for orders