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Greetings. I am out of my depth trying to adjust my solar water pump to a lower rate. Not sure I need a brushless controller or a brush controller…and more importantly the specs of a controller that I need. HELP!!

My motor is as follows.

24V brushless motor submersible water pump

1/3 hp

Internal controller

Typical operating current is 10-11.00A.

The stall current is around 12.00A.

The pump can start around 150W. Max power is 250W

Only has two wires to the pump. Positive and Negative.

I need to dial the rate down almost 75% to the appropriate pump rate.