Does this product have a fuse or other means of self protection?

Hi, thank you for your interest. The switch on the top of the product has the same functional effect as a fuse. When the circuit is faulty or abnormal, it will automatically lose its function to protect the movement. Hoping the answer will be helpful to you.

I have a wood working lathe what is old and runs of a motor with no controls, would this work?

yes, I believe it will work. I'm using it to control a 1 hp little giant waterfall pump that runs too fast. This control works.

Will this regulate a fan speed without causing the fan to hum?

Hello, thank you for your interest. A large part of the problem you mentioned has to do with the type of fan. If the speed of the fan is low, there will be resonance, so it will produce sound, but most fans do not have it. If you need, you can contact us for specific product information. Hope this helps you.

The unit shows 220v will this work on 110v? if so i have a motor on a drill press that is 110v, 10.5 amps, 1720 rpms, 4 pole will your control work?

Hello, thank you for your interest. We are very sorry that the motor you described is a relatively special motor and this product cannot support it. Hope it helps you.

Color	Black
Material	Metal
Brand	NeNchengLi
Included Components	Screwdriver
UPC	733835711949
Manufacturer	QIanLAi
Part Number	BR-04JULY2023-B09XMYGMQQ
Item model number	BR-04JULY2023-B09XMYGMQQ

AC 110V-220V 4000W Variable Fan Speed Controller, AC Motor Speed Controller, Variable Voltage Regulator Adjustable Voltage Controller High Power Dimmer Controller

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