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Motor speed regulator (Dimmer) 230V, up to 2500W, with minimum speed adjustment. It is provided with a rotary potentiometer. Connection without neutral. The ED-3 is a 230V a.c./50Hz surface mount damper for controlling asynchronous single-phase motors operating at approximately 50-100% of rated speed, such as motors in ventilation installations. It is necessary to control the lower speed of the electric motor to avoid overheating and damage. There is a potentiometer that allows the speed to be adjusted to the user's desired point, from a lower preset limit to the maximum. The lower speed limit should be adjusted with a trimmer provided from the device as follows: Set the main potentiometer to minimum, adjust the trimmer using a small screwdriver, turn it to the right, until the motor rotates well. The dimmer now adjusts the motor speed from the lower speed limit to the maximum. The unit also has an on/off switch to turn the motor on and off CAUTION: The switch does not isolate the power line, only the drive circuit.
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