The YN72W 72W desktop power adapter supports a wide 9-48V voltage output range and multiple DC plug options, with multi-country plug certifications. Its core value is providing a stable, highly compatible DC power solution for industrial equipment, monitoring systems, etc.
Technical Specifications
| Parameter | Value |
| Input Voltage | AC 100-240V 1.5A |
| Output Voltage | 9-48VDC (Selectable) |
| Output Current | 0.01-6A |
| Maximum Power | 72W |
| Form Factor | Desktop |
| Certifications | UL, CE, FCC, KC, PSE, SAA, RoHS |
| Application Areas | Printers, Monitors, Industrial Equipment, Security Surveillance, Communication Equipment |
Product Features
- Wide Voltage Output: Supports 9-48V wide-range voltage adjustment, compatible with various electronic devices such as printers, monitors, and industrial equipment, flexibly meeting different power supply needs.
- Compact Desktop Design: Small structure, easy to place and dissipate heat, suitable for long-term stable operation, saving space and easy to maintain.
- Multi-Country Plug Options: Equipped with interchangeable plugs (e.g., US, EU, UK standards), meeting usage requirements in different regions globally, no need for additional converters during travel or export.
- 72W High Power Output: Maximum power of 72W, covering medium to high power consumption devices such as security surveillance and communication equipment, ensuring stable power supply.
- Multiple Safety Protections: Built-in overcurrent, overvoltage, and short circuit protection functions, certified by UL, CE, FCC and other international standards, ensuring equipment and user safety.
Application Scenarios
- Consumer Electronics
Smartphones, tablets, laptops, gaming consoles, etc., for PD fast charging and regular charging, supporting PD3.0/QC4+/PPS full protocols. - Medical Equipment Power Supply
Patient monitors, ventilators, portable medical devices, ultra-low leakage current, certified to IEC EN60601 medical grade standards. - Industrial Control & LED Lighting
Industrial switches, industrial PCs, LED displays, security surveillance, wide voltage 9-58VDC adjustable, adapting to harsh grid environments. - Network Communication & IoT
Routers, switches, fiber optic terminals, IoT gateways, high-reliability uninterrupted power supply, certified by UL/CE/FCC.
Frequently Asked Questions
What certifications does this power adapter have? Does it have UL/CE/FCC certificates?
This unit is certified by UL (US safety certification), CE (EU safety certification), and FCC (US electromagnetic compatibility). Some models can optionally include PSE (Japan), KC (Korea), SAA (Australia), CCC (China Compulsory Certification), etc. The UL certification number is traceable, and CE declaration documents are complete. For bulk purchases, a copy of the UL certification, CE declaration, and FCC test report can be provided simultaneously, ensuring smooth export customs clearance and customer factory audits. For overseas customers with special certification requirements, separate certification applications can be arranged.
What type of plug does this power adapter use? Can it be changed?
This unit comes standard with a plug type selected based on the target market (US Type A/B, EU Type C/F, UK Type G, AU Type I, etc.). Many models feature a user-replaceable plug design (modular plug), allowing one adapter to be used with multiple country plug modules for global use. To change the plug, simply pull out the existing plug module and insert the new one; no tools are required. If your equipment needs to be sold in multiple countries, it is recommended to choose the replaceable plug version (for greater flexibility) or specify the plug type for the target market (for lower cost).
What is the difference between a medical-grade power adapter and a standard one?
Medical-grade power adapters must meet the IEC EN60601 standard. Key differences: ① Leakage current – Standard adapters have leakage current ≤0.5mA, while medical-grade BF type has ≤0.1mA (for patient contact parts);
② Isolation voltage – Standard adapters require 2xMOPP (4000VAC), medical BF type must meet BF type applied part requirements;
③ Insulation grade – Must meet double insulation or reinforced insulation requirements;
④ Creepage distance and electrical clearance – ≥8mm (for BF type applied parts). Medical equipment (monitors, ventilators, etc.) must use medical-grade adapters; standard adapters are prohibited for medical applications.
What is the polarity of this power adapter's plug? Is it center positive or center negative?
The default polarity of this unit's DC plug is center positive (positive at the center), which is the standard for the vast majority of electronic devices. A few special devices (e.g., some communication equipment, guitar effects pedals) use center negative. Before use, please check the original adapter label or the polarity marking on the device body (usually indicated by a "-○ +" symbol, with the dot representing the center polarity). If your device requires center negative, Yingna can provide a reverse polarity DC plug, or you can rewire it yourself (without affecting the warranty). Note: Incorrect polarity may damage the device; please confirm the polarity is correct before first use.
Is this power adapter constant voltage output or adjustable output?
Determined by the model specification: Fixed voltage versions output the rated voltage (e.g., 12V/24V), suitable for most standard devices; adjustable voltage versions allow the output voltage to be adjusted within a specified range via a potentiometer knob (e.g., 9~48V adjustable), suitable for R&D testing and multi-device compatibility scenarios. Usage notes for adjustable versions: ① Adjust with the load disconnected;
② Confirm the voltage matches the device before powering on after adjustment;
③ For long-term use, it is recommended to fix the knob position to prevent accidental changes. For batch applications, fixed voltage versions are recommended (more stable, lower cost).
Does this power adapter support universal voltage input?
This unit supports AC 100~240V wide voltage input, covering mainstream global grid standards (US 110V, Europe 220V, Japan 100V, Australia 230V, etc.), supporting 50/60Hz frequency. Combined with the replaceable plug design, one adapter can be used in any country globally, making it particularly suitable for export product matching and cross-border projects.
Can I customize the logo and packaging after purchasing this power adapter?
Yes. Yingna Technology offers OEM customization services: ① Housing logo – Silk screen / pad printing / laser engraving (MOQ 500 units);
② Custom packaging – Color box / white box / neutral packaging (brand, model, parameters can be customized);
③ Product label – Including customer model, certification marks, SN code, etc.;
④ Factory parameters – Output voltage can be preset according to customer specifications;
⑤ Multi-language manual customization. The MOQ for OEM customization is typically 500 units, with delivery 15~25 working days after sample confirmation. For standard products (no customization), the MOQ is 100 units, and in-stock items can be shipped within 48 hours.
What is the output ripple of this power adapter? Will it affect precision equipment?
The output ripple (Ripple & Noise) of this unit is ≤1% of the rated voltage (typical value), e.g., for a 12V model, ripple ≤120mVp-p. For applications sensitive to ripple, such as audio equipment, precision measuring instruments, and medical equipment, it is recommended to choose a model with lower ripple (≤50mVp-p) or add an LC filter circuit. Excessive ripple may cause audio background noise, measurement errors, or abnormal equipment restarts. Please contact Yingna technical support with details of your application to recommend the most suitable model.
Does this power adapter have protection functions? What happens during overvoltage or overcurrent?
This unit has built-in multiple safety protections: ① Overvoltage Protection (OVP) – Automatically shuts down when the output voltage exceeds the set value (typically 110~120%), preventing damage to downstream equipment;
② Overcurrent Protection (OCP) – Automatically limits current or shuts down when the output current exceeds the rated value;
③ Short Circuit Protection (SCP) – Immediately shuts down when the output is short-circuited, and automatically recovers after the short circuit is removed;
④ Overtemperature Protection (OTP) – Reduces power or shuts down when the internal temperature exceeds 85°C, and automatically recovers after cooling. The adapter automatically restores power after the fault is cleared, no manual restart is required.
What is the difference between a PD fast charger and a regular charger?
A PD fast charger supports the USB PD (Power Delivery) protocol. Its core advantages include: ① Intelligent voltage regulation—outputs multiple voltage levels such as 5V/9V/12V/15V/20V via a USB-C interface, intelligently matching device requirements;
② Bidirectional power supply—supports both forward and reverse charging;
③ High power—supports up to 100W with PD3.0 and up to 240W with PD3.1;
④ Multi-device compatibility—a single charger can power phones, tablets, laptops, and more. A regular charger outputs a fixed voltage (single voltage) and is suitable for powering a single device. If your device supports the PD protocol (such as iPhone, MacBook, iPad, etc.), it is recommended to choose a PD fast charger.
What is the lifespan of this power adapter? Will long-term plugging cause damage?
The designed lifespan of this unit is ≥50,000 hours (MTTF, Mean Time To Failure), which equates to approximately 5.7 years of continuous operation under rated load and normal temperature. Long-term plugging will not damage the adapter. This unit complies with the Level VI energy efficiency standard, with no-load power consumption.<0.1W
What is the maximum output power of this power adapter? What load can it handle?
The maximum output power of this unit is determined by the model specifications. When selecting adapter power, it is recommended to calculate the minimum rated adapter power as "device power ÷ 0.8" (i.e., P_adapter ≥ P_device ÷ 0.8). For example, if the device requires 200W, it is recommended to choose an adapter of 250W or higher. Choosing too low a power rating can cause the adapter to overload, overheat, and shorten its lifespan, while choosing too high a rating increases procurement costs and size.
