I am looking for a "small" motion( that is movement not motion) sensor that could pull a set of contact in and to operate a small motor. This must go thru 110v switch and when the sensor is not in use the switch could turn on and off the motor. The max. load would not exceed 400w. I would like it all to fit in a 1 1/2" x 3" x 2". The sensor would not be used only about 5 time per year for the effect and if I could put a min motion amount for the switch to operate, it would be equal to 1.0 earthquake. This would not cause the switch to operate due the the other equipment in the area. This is a project I am working on for the studio. Sorry for the ruff discription, but I am not an electrical enginner.Thanks for any help. Gregg
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