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Description
Makerfabs WIFI AC Dimmer Switch with On-Board AC-DC & Relay
Uses zero-cross checking circuit for smooth operation
Features an on-board AC/DC module for field applications
Suitable for AC 110V~230V, handling a maximum load of 2KW
Incorporates a relay to completely shut down current leakage
The Makerfabs WIFI AC Dimmer Switch is a versatile device designed to regulate the AC cycle. This device is typically employed to adjust the power for lamps or heating elements, but it can also be utilized in fans, pumps, air cleaners, and other appliances.
Unlike many DIY dimmers available online that use Pulse Width Modulation (PWM) to switch the AC on and off, which can cause the lamp to flicker, this product uses a different approach. It incorporates a zero-cross-checking circuit to detect the AC zero-crossing point and then controls the triac to chop the AC, ensuring a smooth and consistent operation.
The circuit of this dimmer is based on the Triac BT139, a high-performance triode for alternating current. To circumvent the issue of AC not being completely shunted off with Triac, a relay is incorporated to switch the AC entirely on or off.
This product also features an onboard AC/DC module, eliminating the need for an external power supply, making it suitable for field applications. It is designed to work with AC 110V~230V, at any frequency, and can handle a maximum load of 2KW.
Please note that it is crucial to follow all safety guidelines when installing and operating this device to prevent any potential harm or damage.
If you are not satisfied for whatever reason with a Product you bought on the Site, it is possible to return it for refund within 30 days from the date you received it unless otherwise indicated in the Product listing. You must first advise the Vendor associated with your order in your account to obtain a return authorization (‘’RA’’) number before returning a Product. (‘’RA’’) numbers are valid for 30 days, within which time the returned Products should be received by the Vendor. No returns will be accepted without having previously obtained an (‘’RA’’) number. The Product must then be returned in its original packaging (in perfect condition for resale) with its receipt and your (‘’RA’’) number. Reimbursement will be denied for any Products which do not conform to the above mentioned conditions.
Build-it-yourself Robot Parts are not refundable once assembled. Robots & Kits requiring assembly or soldering are also not refundable once assembled, soldered or modified in any way. All sales of robotic software and apps are final and cannot be refunded or exchanged. Returns are not accepted on special orders and clearance items except when they are found defective, in which case the Product may be repaired or replaced at the Vendor’s discretion. 20% Restocking fees may apply if you are returning a large quantity of the same Product that was ordered specifically for you from the manufacturer.
Please note that all items will be reimbursed within 7 to 14 days of receiving the Product (shipping fees excluded). You must also cover the cost of returning the Product. Shipping fees will only be refunded if the return is a result of a shipping error on our part. Cleaning fees of USD 100 may also be charged if a domestic robot is returned and has not been properly cleaned.
