10-50V 40A DC Motor Speed Control PWM HHO RC Controller 12V 24V 48V 2000W 761710976855

10-50V 40A DC Motor Speed Control PWM HHO RC Controller 12V 24V 48V 2000W 761710976855

Product Description10-50V 40A DC Motor Speed Control PWM HHO RC Controller 12V 24V 48V 2000W

Product Feature:

Power Requirement

DC 10-50 V 

Rated Current

40 A (Maximum Output Current)

Frequency

12000 Hz 

Control Motor Power

0.01-2000 W

12 V: 480 W (max), 24 V: 960 W (max) 

36 V: 1440 W (max), 50 V: 2000 W (max)

Regulation Range

5-100% 

PCB Size

90 x 51 mm (inch: 3.5" x 2") 

Case Size

105 x 55 x 40 mm (inch: 4" x 2.2" x 1.6")

Weight

130 g

Please check pictures for more details.  

Package list:

1 X DC Motor Speed Controller

  

What is the PWM?

Pulse-width modulation (PWM) is a modulation technique used to encode a message into a pulsing signal. Although this modulation technique can be used to encode information for transmission, its main use is to allow the control of the power supplied to electrical devices, especially to inertial loads such as motors.

  

The average value of voltage (and current) fed to the load is controlled by turning the switch between supply and load on and off at a fast rate. The longer the switch is on compared to the off periods, the higher the total power supplied to the load.

  

The PWM switching frequency has to be much higher than what would affect the load (the device that uses the power), which is to say that the resultant waveform perceived by the load must be as smooth as possible. Typically switching has to be done several times a minute in an electric stove, 120 Hz in a lamp dimmer, from few kilohertz (kHz) to tens of kHz for a motor drive and well into the tens or hundreds of kHz in audio amplifiers and computer power supplies.

  

The term duty cycle describes the proportion of 'on' time to the regular interval or 'period' of time; a low duty cycle corresponds to low power, because the power is off for most of the time. Duty cycle is expressed in percent, 100% being fully on.

  

The main advantage of PWM is that power loss in the switching devices is very low. When a switch is off there being practically no current, and when it is on and power is being transferred to the load, there is almost no voltage drop across the switch. Power loss, being the product of voltage and current, is thus in both cases close to zero. PWM also works well with digital controls, which, because of their on/off nature, can easily set the needed duty cycle.

About UsPaymentShippingReturnsContact UsHigh QualityETL/CSA/CE/NSF/FCC - We passed every evaluation of ASTM International, meeting the most stringent safety regulations.Customer - ServiceWe value the service we provide and our loyal returning customers can always expect some appreciation from us, like a future service, discount or a gift.Affordable PricesWe aim to make our service as reasonably priced as possible. That's why we cut on all unessential business expenses...

All payments must be from registered + verified PayPal users.We do not accept payments over the phone. PayPal only.Payment must be made within 4 days of the purchase.Please don't mark items "Payment Sent." It prevents payments from showing up as "Received" on our end and will delay your shipment.

We do not allow pickups.Free shipping is ONLY to the Continental United States and ONLY for completed purchases. Free shipping does not apply to returns.We only ship to the registered and confirmed PayPal address provided at the time of payment. Once the order is paid we can't change the address.Domestic orders can take up to 3 business days to process. International orders can take up to 5 business days to process. Orders are shipped the next business day after processing has completed.Domestic shipments can incur a handling cost of $1-3USD. International shipments can incur a handling cost of $3-5USD.Unfortunately, delays due to weekends, holidays, adverse weather conditions and carrier mistakes are out of our control.If requesting shipping to a PO box address, please note that you may have to pay for shipping via USPS. UPS Does not ship to PO Boxes. If you wouldlike to know if a particular item requires payment to be sent to a PO Box, please contact us BEFORE purchasing the item.If your item is returned to us as Undeliverable because you failed to receive or pick up the package or because the address you provided was in invalid or incomplete, you will be issued a partial refund as per our Undeliverable Return policyTo keep shipping costs low, we don't provide daily tracking information for most items. However, all items are shipped with Delivery Confirmation.Our shipping and handling costs are what the carrier charges us, plus any required handling fee as described above. If you feel our S&H prices are too high, we can provide you weight the item's weight so that you can confirm the prices for yourself.

Please contact us before returning an item. All returns must first be approved. Unauthorized returns will be returned to sender.We must be contacted about damaged or defective items on the delivery date. Please check your items when you receive them as we will not accept returns of these items if we are not contacted on the delivery date.All return shipping costs are the buyer's responsibility, regardless of the reason for the return. This includes regular returns, undeliverable items and damaged/factory defective items.You have 14 days from the date of delivery to request a return of a non-defective item. We do not accept returns after that period.After a return has been authorized there is a 7 day grace period in which to ship the return.The buyer must be able to prove the return was delivered.Returns will not be accepted if the item is: incomplete, used, has been improperly used, tampered with, disassembled or sent to a third party repair store without authorization.For "regular" or "changed mind" returns the item must still be SEALED in the original, unopened packaging and be unused. These returns are subject to a 15% restocking fee.If your item arrives damaged please DO NOT throw away the original packaging or packing materials and contact us on the date of delivery. If you do not contact us on the day of delivery we will be unable to file for damages with the carrier and will not be able to accept your damaged package claim.If you have any problems, pls contact with us for free.About UsHigh QualityETL/CSA/CE/NSF/FCC - We passed every evaluation of ASTM International, meeting the most stringent safety regulations.Customer - ServiceWe value the service we provide and our loyal returning customers can always expect some appreciation from us, like a future service, discount or a gift.Affordable PricesWe aim to make our service as reasonably priced as possible. That's why we cut on all unessential business expenses...Payment

All payments must be from registered + verified PayPal users.We do not accept payments over the phone. PayPal only.Payment must be made within 4 days of the purchase.Please don't mark items "Payment Sent." It prevents payments from showing up as "Received" on our end and will delay your shipment.

ShippingWe do not allow pickups.Free shipping is ONLY to the Continental United States and ONLY for completed purchases. Free shipping does not apply to returns.We only ship to the registered and confirmed PayPal address provided at the time of payment. Once the order is paid we can't change the address.Domestic orders can take up to 3 business days to process. International orders can take up to 5 business days to process. Orders are shipped the next business day after processing has completed.Domestic shipments can incur a handling cost of $1-3USD. International shipments can incur a handling cost of $3-5USD.Unfortunately, delays due to weekends, holidays, adverse weather conditions and carrier mistakes are out of our control.If requesting shipping to a PO box address, please note that you may have to pay for shipping via USPS. UPS Does not ship to PO Boxes. If you wouldlike to know if a particular item requires payment to be sent to a PO Box, please contact us BEFORE purchasing the item.If your item is returned to us as Undeliverable because you failed to receive or pick up the package or because the address you provided was in invalid or incomplete, you will be issued a partial refund as per our Undeliverable Return policyTo keep shipping costs low, we don't provide daily tracking information for most items. However, all items are shipped with Delivery Confirmation.Our shipping and handling costs are what the carrier charges us, plus any required handling fee as described above. If you feel our S&H prices are too high, we can provide you weight the item's weight so that you can confirm the prices for yourself.

ReturnsPlease contact us before returning an item. All returns must first be approved. Unauthorized returns will be returned to sender.We must be contacted about damaged or defective items on the delivery date. Please check your items when you receive them as we will not accept returns of these items if we are not contacted on the delivery date.All return shipping costs are the buyer's responsibility, regardless of the reason for the return. This includes regular returns, undeliverable items and damaged/factory defective items.You have 14 days from the date of delivery to request a return of a non-defective item. We do not accept returns after that period.After a return has been authorized there is a 7 day grace period in which to ship the return.The buyer must be able to prove the return was delivered.Returns will not be accepted if the item is: incomplete, used, has been improperly used, tampered with, disassembled or sent to a third party repair store without authorization.For "regular" or "changed mind" returns the item must still be SEALED in the original, unopened packaging and be unused. These returns are subject to a 15% restocking fee.If your item arrives damaged please DO NOT throw away the original packaging or packing materials and contact us on the date of delivery. If you do not contact us on the day of delivery we will be unable to file for damages with the carrier and will not be able to accept your damaged package claim.Contact UsIf you have any problems, pls contact with us for free.                        

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