Average Reviews:
(More customer reviews)Not UL-Listed -- for a reason. Many shortcomings. In my opinion, a fire hazard. Appears not to be compliant with the NEC (national electrical code).
Safety issues:
(1) Power cord is 16 gauge, two sizes smaller than the 12 gauge which is the minimum permissible for a 20 amp load. Per my copy of the NEC, this cord is only permissible for up to 13 amps.
(2) Internal switching relay (gizmo which does the turning on and off of the dust collector) is rated at only 1/2 horsepower at 220 volts, not the 3 horsepower advertised for this device. Yes, the relay is also rated at 30 amps, but since the intention of this device is for motor control the 30 amp rating is irrelevant and the horespower rating must be observed.
(3) The circuit breaker with this device is rated at 25 amps, which might in some way help protect against overloading of the relay but would do little to safeguard against overheating of the cord.
(4) No ratings of any kind were marked on the device, nor in the instruction manual.
(5) There was no warning not to use the device to control a different machine, such as an air conditioner, which is far more likely to draw high current for an extended period than a dust collector. This only increases the risk of overheating and fire.
Analysis:
The device came without any warranty, which I find hardly surprising. If you're lucky, it will only self-destruct itself and leave your house alone.
When you consider that an operating dust collector is a large bag of flammable sawdust with a strong breeze blowing through it, you want to be ESPECIALLY careful not to have anything like sparks or small electrical fires nearby.
I would avoid this device, and urge both Amazon and Grizzly to stop offering it, in the interest of public safety. Moreover, I feel existing units should be recalled. With that in mind, I am forwarding a copy of this review along with photographs to the Consumer Products Safety Commission.
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This remote switch turns your dust collector on and off from anywhere in your shop up to 75 feet away, saving you trips to your collector whenever you operate a shop machine. * Includes two controls with 9V batteries
Use on 220V dust collectors up to 3 HP
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