Electronic Speed Controller for Single Phase Motors – Electrician Required

This is an electronic type speed-controller which provides infinite variation of fan speed from 100% down to approximately 30% of full speed.
When used to control a number of identical fans the sum of the full load amps of all the connected fans must not exceed 85% of the maximum rating of the controller (which is 2.0).
Dimensions: 70W × 114H × 36D