5v40A200w Power Supply Universal Regulated Switching Ultra-Thin Converter Transformer Driver 110V/220V AC for programmable led Sign Lights String Pixel Light Computer CCTV Camera Security System Radio
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Availability:
In Stock.
Arrives
Tuesday, May 5
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Features
- Wide voltage adaptation, worry free use: Are you still worried about different voltages in different regions? This power supply supports dual input voltages of AC 110V-220V, which can be easily switched by simply turning the internal setting switch. The default voltage is 110V, so choose the appropriate voltage before use to avoid damage. The output is DC 5V 40A, with a maximum current of 40 amperes. The output voltage can also be adjusted within a 10% range from 4.5V to 5.5V, making it easy to adapt to various devices and safe to use anywhere
- Durable, stable and reliable: afraid of frequent power failures that may affect equipment use? It has an average time between failures (MTBF) of at least 50000 hours at full load in an ambient temperature of 25 C, providing you with long-term stable power support, reducing equipment downtime risks, and making your work and use smoother
- Four fold strong protection, stable and worry free equipment: It has four protection skills. Output short circuit, instantly cut off the output, solve the problem and restore immediately; Output current exceeding the set value by 105-138%, decisively shut down, eliminate the fault, and resume work; When the temperature reaches the set value, the output will automatically stop, and after cooling down, it will be resurrected with full blood; External factors trigger abnormalities, with a maximum output voltage of no more than 6.0V, providing comprehensive protection of equipment power facilities, allowing you to use electricity with peace of mind
- Professional grade power supply, fully applicable to all scenarios: unable to find the one that is suitable for multiple devices among numerous power supplies? This professional power supply is your ideal choice! Industrial automation, electronic equipment, programmable LED display screens, LED lighting, closed-circuit television, camera security systems, etc. are all easy to handle. Whether it is large equipment in factories or small appliances in homes, it can accurately meet the electricity needs of different scenarios and provide continuous and stable power supply
Brand: HIJH SAIL
Power Source: Corded Electric
Product Dimensions: 7.5"D x 3"W x 1.2"H
Mounting Type: RM
Current Rating: 40 Amps
Brand Name: HIJH SAIL
Model: RM
Manufacturer: HIJH SAIL
Part Number: YF-5V40A-200W
Included Components: switching power supply
Power Source: Corded Electric
Mounting Type: RM
Current Rating: 40 Amps
Maximum Frequency: 63 Hz
Minimum Frequency: 47 Hz
Item Dimensions D x W x H: 7.5"D x 3"W x 1.2"H
Item Weight: 0.51 Kilograms
Specification Met: UL
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, May 5
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Great replacement part.
Reviewed in the United States on December 30, 2025 by Connie R
The voltage is not stable at 5v at 40amps however, you can increase this as there is a voltage adjustment its just in a not so typical place and that's under the cover which must be removed to access this adjustment. its a little white turn pot just be careful that the unit is unplugged and dont hit any capacitors with a screwdriver or your hands!
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Reviewed in the United States on November 11, 2025 by Adam
Building a raspberry pi 4 cluster, which typically uses 5v3a, but can conceivably reach 4a under heavy loads. Tempted as well to build a pi 5 cluster, which uses 5v5a.s I didn’t just want to use a power strip and plug in a bunch of AC adapters just to get individual DC inputs, I wanted to consolidate everything into one large DC source, so I was already on the lookout for a supply like this. I was expecting initially to find a 12v or 24v supply, then use buck adaptors to down-convert to 5v. Imagine my surprise when I not only found this 5v supply, but rated for 40a! I could potentially use it to power both pi clusters, and still have power capacity to spare! The unit is smaller and more compact than I was expecting. Solid. Does not feel cheap. Multiple AC input terminals for line, neutral, and ground. Multiple DC output terminals (I could power up to 3 separate cluster circuits by my estimation). AND! It has a calibration dial allowing you to adjust its operating voltage. Since the pi ideally prefers 5.1v, I was successfully able to dial it up from 5.0v to 5.1v, and my voltmeter confirmed. This has been surprisingly higher quality than I was expecting (certainly a good thing!), and at almost every turn, continues to conveniently deliver. Has mounting holes, although somewhat a tight fit. I had to hunt a bit for fitting screws. Some screws may have come with it, but if so, they were too long for the mounting board I was using, so I had to source something smaller. Probably the only thing that seemed less-thought out about this unit was the mounting holes, but once you get it mounted, very very nice. I am pleasantly surprised.
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Reviewed in the United States on August 1, 2024 by Matthew
BEWARE. Description is lying to you. It says 'The output is DC 5V 40A, with a maximum current of 40 amperes. The output voltage can also be adjusted within a 10% range from 4.5V to 5.5V, making it easy to adapt to various devices and safe to use anywhere' This is NOT true. There is no adjustment on this Power Supply. No POT, no place anywhere on the PCB to adjust the voltage. The output voltage on mine is 5.002 vdc. By the time you get something hooked up to it, like computers or other things, the voltage drop can cause the end point to be very unhappy.
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Reviewed in the United States on November 1, 2025 by Michael Stewart
I'm pretty surprised how well this worked as I have had less than stellar luck in the past. This supply has been running about a thousand addressable LEDs across various holiday themes without issue since October and I haven't noticed any brown outs or color loss. I think I'll give it a closer look and see how the components are looking just to make sure, but so far, it's been handling it's job well.
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Reviewed in the United States on December 10, 2024 by Jason K.W
This power supply is really compact for a 40-amp unit, but for something capable of putting out so much current I'd really prefer some larger terminals - it's hard to get anything larger than 20 AWG in there. And unlike most of my power supplies, there's no fine adjustment for the voltage. Sometimes being able to tweak the voltage by 0.1 volt is important.
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Reviewed in the United States on July 30, 2024 by S Miller
I teach a tech-ed class and I am going to have several groups of students writing control programs for addressable LED light strips. I needed a powerful 5 Volt power supply that could handle several light strips. I got this 200 Watt 5 Volt power supply from Hijh Sail. It's a decent size and solidly constructed with a ventilated aluminum shell. There are dual AC wire terminals with a plastic cover. The other end has 3 terminals for DC + and -. With nothing connected, this still draws 2.20 Watts, which was a little surprising for me. With no load it was 5.04 Volts output. I didn't load this heavily, but with a few light strips I didn't see any significant voltage drop. I'm pleased with this. I think it should handle the load I need.
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Reviewed in the United States on October 18, 2024 by Roger Appelinski
This PSU has sufficient power to power up to 665 LED pixels on full bright White power if using type WS2812b LED's, and will power more than that if you don't intend on using full brightness. The unit has a high voltage input side that has a protective cover to prevent inadvertent shock. However in the interest of safety I would say that the screws should be recessed a little further as they are too close to the outer lip of the protective cover. On the output side you have three positive voltage screws and three ground screws, which is nice especially if you are planning on running several strands of LEDs from the unit. The chassis has mounting holes so you can mount it in a box or onto a project build, and It does not come with a power cord, that would need to be sourced separately. Overall I like this unit as it's super slim and has a very shallow height profile. For 25.90 which is the price at time of my review I'd say the the price point is set well for this unit. It's great value, and works really well.
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Reviewed in the United States on June 26, 2024 by StarReviewer