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Condition: Used: Like New
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LEDwholesalers 12 Volt DC Waterpoof LED Power Suppply Driver Transformer with 3-Prong Plug, 30W, 3207

4.2 out of 5 stars 700 customer reviews
| 165 answered questions

Price: $15.50 & FREE Shipping on orders over $49. Details
In Stock.
30w
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  • IP68 waterproof rating
  • Converts AC voltage to 12V DC
  • Wire leads and 3-prong plug for easy connections
  • Automatic thermal & overload cut-off, short circuit protection
  • Efficient, long life, stable, and reliable
2 new from $14.00 3 used from $13.18

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$15.50 & FREE Shipping on orders over $49. Details In Stock. Sold by LEDwholesalers ® and Fulfilled by Amazon.

Frequently Bought Together

  • LEDwholesalers 12 Volt DC Waterpoof LED Power Suppply Driver Transformer with 3-Prong Plug, 30W, 3207
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Total price: $26.19
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Size Name: 30w
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Product Description

Size Name: 30w

This high quality 12VDC power supply is great electronic devices that operate on 12VDC and require less than 30W of power. Its IP68 waterproof rating is especially useful for applications where the power supply may be exposed to water or moisture. One of its most popular applications is to power flexible LED strip lights.

Specifications
* Output Voltage: 12V DC
* Output Current, Full Load: 2.5A
* Output Power: 30W
* Input Voltage: 90-264 Volts AC 50/60Hz
* Certification: CE
* IP Rating: IP68
* Operating Temperatures: -4 ~ +104℉
* Cord Length: 7" DC side, 36" AC side
* Dimensions (LxWxH): 8" x 1.2" x 0.9"H
* Warranty: 1 year


Product Information

Size Name:30w

Technical Details

Part Number 0821418829416
Item Weight 2 pounds
Product Dimensions 8.7 x 0.8 x 1.2 inches
Item model number 3207
Size 30w
Power Source ac
Voltage 12 volts
Wattage 30 watts
Item Package Quantity 1
Batteries Included? No
Batteries Required? No

Additional Information

ASIN B0034GUEY4
Customer Reviews
4.2 out of 5 stars 700 customer reviews

4.2 out of 5 stars
Best Sellers Rank #2,258 in Home Improvements (See top 100)
#1 in Home Improvement > Lamps & Light Fixtures > Lighting Accessories > Low Voltage Transformers
Shipping Weight 3 pounds (View shipping rates and policies)
Date First Available January 15, 2010

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Size: 30w Verified Purchase
I bought this power supply (It's not a "transformer" even though it certainly contains one) for use in some 6500K LED light "rope" under my kitchen cabinets. After getting the LED rope installed under the cabinets, I connected my lab power supply to it and found that it draws about 1.9 amps of current (=22.8W), which is well within the 2.5 amp/30 watt rating of the supply.

First off, why this supply uses a very thick wire for the 120V side is beyond me. It is very large in diameter, about 0.275", and very stiff. The wire gauge is needlessly large. 30 watts of reflected power at the primary is only around 0.4 amps of AC current, which is very small. Therefore, the first thing I did was cut off this cord close to the input of the power supply and splice in the male lead of a 16 gauge extension cord, which is much thinner and more flexible than this ugly black cord. I did not connect the green safety lead because as far as I could tell, it connected to nothing, including the aluminum chassis. I poked through the case's non-conductive anodization with my meter probe and tested for a connection to this green line. Nothing. Nada. So I left the green lead floating. (For those of you who are safety-crazy: look at all of Apple's power supplies. 2 leads.)

Next, the output. Here again we have a needlessly thick, yet short length of wire. For an electronics guy like me, it's no bother. But what's a guy who doesn't know how to solder supposed to do with it? There is certainly an assumption on this power supply that you, the purchaser know how to solder. I clipped this cord close to the chassis and then spliced in an 18 gauge lamp cord, taking note of which lead is positive (red) and which side is negative (black).
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Size: 30w Verified Purchase
Nice little power supply. The output measures at 12.07 with no load. But for my use it can make a high pitch humming/buzzing noise if the output is limited below 12 volts. I use this with a 12v dimmer (item #B003L4KKF2) to power some LED ribbons, and when I turn the knob to anything but off or full on the supply makes that noise. I'm not sure if it's the dimmer or the supply's fault. The dimmer is PWM (pulse-width modulation), so it switches the voltage on and off at a high frequency, which is probably why the power supply buzzes when the voltage is limited. I'm not sure if this will be annoying in the long run as this supply will be powering some LED strips that will most likely be dimmed. Maybe I'll just have to find a new 12v dimmer (item #B004AGZSQG) that doesn't appear to be PWM.

UPDATE: I have found and fixed the cause of the humming/buzzing. It was the dimmer's fault. By putting 2 16v 1000uf capacitors across the input of the dimmer, I was able to reduce the buzzing by 99%. I'm sure the correct value of capacitor will fix it 100%.
5 Comments 90 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Size: 30w Verified Purchase
Solid material, comes with fixing brackets and good quality cables. Great source for long strips of LEDs. Recommended. Note it is not UL listed, but it has the CE stamp. Also, you need to either solder the DC cable output or use a mechanical patch.
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Size: 60w Verified Purchase
As another reviewer noted, this item does not match what is described in the title or shown in the picture. This unit arrived without a 3 prong plug, just bare wires, so some assembly is required. This device is made for the European market, so the wire colors used don't match the standard wiring colors used in the US. You will need to research the correct wiring youself since there is no useful documentation or diagrams on the the power supply or in the package. The input AC voltage range is listed as 170-250v, not your typical US voltage range. This unit does not display UL certification.

I contacted the seller and they offered a refund, but I thought I would test this out with an electrial engineer at work. We wired it up and tested it up to 5.0 amps and it worked very well. I've decided to keep the unit since it will handle the load nicely, but you should be aware that you might recieve something different than what the seller describes.
2 Comments 36 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Size: 60w
I bought 2 of these. I cannot install them on customer sites due to the fact they are not UL listed. They are CE listed which is great if you live in Europe. To be able to use in the US or Canada it has to be UL or CSA listed. If your house or building burns because of this item you may not be covered by your insurance policy.
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Size: 30w Verified Purchase
Died inside 1-year warranty but supplier, LED Wholesalers, failed to replace it under warranty. They responded and then blamed their supplier for not responding and then decided to ignore my emails for help too.
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By NM86 on December 18, 2013
Size: 30w Verified Purchase
Bought this to light up our LED's at a trade show and after about a week, they would randomly start blinking. Transformer would also overheat. Came on Amazon to see all the 1 star reviews and it looks like it's the same problem for many. Bought another one locally and paid 30$, but I never had a problem with it. You get what you pay for. Amazon should stop selling this.
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Size: 30w Verified Purchase
UPDATED REVIEW 11 March 2012... 1 star
well, I no longer like this power supply. For the past couple weeks its been flashing on and off randomly. It only does it after being on for an hour or so... it will shut off for a second and then come back on. Sometimes it will just flash rapidly for 10-30 seconds. I've checked my wires and everything seems OK with the wires. It must be the transformer.

This thing lasted long enough that it can't be exchanged... but it failed so soon it only gets one star now.

Now its time to look for a better power supply. Maybe its time to hack a laptop power supply and use that? Time will tell what I figure out.

Be advised before you buy, it might just fail after 2 months of use.

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ORIGINAL REVIEW: 4 STARS
I installed this with LED undercabinet lighting.Flexible Light Strip 300 SMD Bright White LED Ribbon 5 Meter or 16 Feet By Ledwholesalers, 2026wh

I wired it with a switch on the wall, leading to an outlet inside one of my cabinets. I then mounted this power supply in the cabinet and ran the low voltage wire up into the ceiling and around to all the cabinets. I used some washers to space this out away from the cabinet wall about a quarter inch. I'm not sure how warm this gets when it is on... but I figure having some air space would help keep it cool.

Install was easy enough (I did it before the counters went in). I soldered the wires to the output wire of the power supply. Now that I've thought about it more... I should have used some quick-connect wire fittings to connect the power supply to the low voltage wires.
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6 Comments 22 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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