It works very well - I haven't tried it anywhere near 100A, maybe 20A, but it does everything in the description. The speed control pot. has a switch on it which disables the driver, the display show the %PWM, and the reversing switch is fine too. It's wise to turn the motor speed to zero before reversing direction, as the controller stops the motor very abruptly, and if, like me, you are just doing a test with the motor sitting on your workbench, it will do some Kung Fu. I did inspect the solder joints very carefully, many of the joints had been cut close to the pcb and this would not help the reliability, so I resoldered them. The unit is very inexpensive, I doubt that I could even buy a few of the parts for the cost of the delivered item, good value.

It works very well - I haven't tried it anywhere near 100A, maybe 20A, but it does everything in the description. The speed control pot. has a switch on it which disables the driver, the display show the %PWM, and the reversing switch is fine too. It's wise to turn the motor speed to zero before reversing direction, as the controller stops the motor very abruptly, and if, like me, you are just doing a test with the motor sitting on your workbench, it will do some Kung Fu. I did inspect the solder joints very carefully, many of the joints had been cut close to the pcb and this would not help the reliability, so I resoldered them. The unit is very inexpensive, I doubt that I could even buy a few of the parts for the cost of the delivered item, good value.

It works very well - I haven't tried it anywhere near 100A, maybe 20A, but it does everything in the description. The speed control pot. has a switch on it which disables the driver, the display show the %PWM, and the reversing switch is fine too. It's wise to turn the motor speed to zero before reversing direction, as the controller stops the motor very abruptly, and if, like me, you are just doing a test with the motor sitting on your workbench, it will do some Kung Fu. I did inspect the solder joints very carefully, many of the joints had been cut close to the pcb and this would not help the reliability, so I resoldered them. The unit is very inexpensive, I doubt that I could even buy a few of the parts for the cost of the delivered item, good value.

tested with a 850W 24volt dc motor and ok,thanks RB

tested with a 850W 24volt dc motor and ok,thanks RB

tested with a 850W 24volt dc motor and ok,thanks RB