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Load types are typically motor loads such as a fan or garbage disposer, or tungsten filaments in light bulbs. My target is 200,000 minimum ON/OFF cycles.

I am looking at a switch that can handle 120VAC-277VAC, up to 8A steady state current. The switch would control typical electrical loads found in a home.

Normally that could work, but I'm trying to design out an OEM switch, therefore I'd expect no help from the switch manufacturer. I need an independent consultant.

I am looking for an industry expert in the field of electric switches: someone with expertise through years of experience in spring materials, contact materials, contact platings, contact forces, arc energy theory, switch bounce, make-and-break characteristics, diagnostics, troubleshooting, etc...

I am looking for an industry expert in the field of electric switches: someone with expertise through years of experience in spring materials, contact materials, contact platings, contact forces, arc energy theory, switch bounce, make-and-break characteristics, diagnostics, troubleshooting, etc...

I am looking for a company or consultant who can instruct new engineers in my company on plastic part design, and also consult with the senior engineers on current issues with our plastic parts and resins. Any suggestions on companies that do both proficiently?

I am looking into making a low-cost bearing from possibly plastic on plastic. It would need to support no axial thrust and very minimal radial loads. I'm thinking just an acetal ring with an acetal (or metal) shaft passing through it. Does anyone have information on calculating power loss in...

125-to-1 reduction ratio

I am looking for a supplier who sells planetary gearsets for very low prices ($10 or less). I need an inexpenive solution whose maximum diameter does not exceed 35mm, with a reduction around 125 or so. I don't have a spec yet for how much backlash can be tolerated, and may be able to use...

I want to use a planetary gear train to reduce the output speed of a motor. Knowing the output (speed and torque) of the motor (which will be the input to the gear train), I want to calculate the output torque and efficiency of the gear train. Not sure yet on what the gear ratio will be and how...

I am looking for information on how to use a solar cell to charge batteries that are driving a load, such as a DC motor. Can the solar cell be used to charge the batteries when they are not being drained by the motor? What are the limitations? Any information would be greatly appreciated.