The has no positive or negative poles Power board parameters: 120W 40khz uses high-quality materials, quality is guaranteed, wide application and stable performance Power board parameters: 120W 40khz parameters: 40khz Voltage: 220v Instructions for wiring the circuit board and the vibration head (ceramic ducer):1. The circuit board must not be powered on without load; it must not be powered on without cleaning fluid during cleaning; the two wiring pieces of the vibration head are divided into positive and negative poles and must not be connected in reverse. 2. When welding the power cord of the vibration head, it must be welded on the side with two silver layers, and the other side is the vibration surface, which can be pasted under the cleaning basin (this is the component description of the purchased ceramic ducer). 3. The silver layer on the ceramic sheet is not resistant to high temperatures. When welding the power cord, the temperature of the soldering iron should not exceed 280 degrees. It is best to use a constant temperature soldering iron and set the soldering iron temperature to 250 degrees. Maximum current 1.2-1.7A Working frequency: 40 (KHZ) Working voltage: AC 220V ± 20% (50-60HZ) Input current: 0.5A Due to different batches, there may be differences in product appearance and printed text, which will not affect use Colour:As Shown Material:PCB+Plastic+Metal Specifications: A: power module Package Contents: 1 x power module Specifications: A+B: power module + Package Contents: 1 x power module 1 x Specifications:B: accessory Package Contents: 1 x Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
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