220V Single-Phase AC 25W 60W 90W 120W 250W 300W 400 Speed Control Motor Speed Controller(400W)

Precision speed controller, single-row plug, 6W-15W, 25W, 40W, 60W, 90W, 120W, 140W, 180W, 200W, 250W, 300W, 400W(Speed ​​adjustment safety zone description:)Why can the speed of a motor be adjusted to only a certain range when it is under load?That's because the motor slows down by using low voltage; when the voltage is reduced, the electric motor...The motor's torque will also decrease, which could potentially lead to overload. Additionally, slowing down the motor speed...The cooling fan will also run slower, resulting in poorer cooling performance due to the current.The increased size leads to poorer heat dissipation, causing the motor to overheat and potentially resulting in insulation failure of the stator coils."Short-ranged receiver!"Operating Condition 1: When the load is relatively small and the motor is not operating continuously for extended periods, the speed controller must not be set below 50% of full speed.Operating Condition 2: When the load is heavy and the motor is not operating continuously for extended periods, the speed controller must not be set below 70% of full speed.Forward and reverse wiring diagramSwap the CM and CCW terminals on the back of the speed controller to achieve forward and reverse rotation.For example, when COM is connected to CCW, it rotates in the forward direction.1. Connecting COM and CW together would be a reversal.

• Why can the speed of a motor be adjusted to only a certain range when it is under load?
• That's because the motor is slowed down by using low voltage. When the voltage is reduced, the motor torque also decreases, which may lead to overload. In addition, when the motor speed is slowed down, the cooling fan will also run slower, resulting in poorer heat dissipation. At this time, the current increases and the heat dissipation becomes worse, causing the motor to overheat and easily leading to insulation loss in the stator coils, resulting in short circuits and restarting the machine.