YN-300-360W 300W/360W Desktop type is a high-efficiency 300-360W high-power switching power adapter, input 100-240VAC 50/60Hz, with over-voltage, over-current, short circuit multiple protections, certified by CE/FCC/RoHS. Product Overview
300W/360W Desktop Power Adapter | YN-300-360W High-Power Industrial Grade. Manufactured with high-quality components and SMT process, strictly passed aging test to ensure long-term stable operation. Technical Parameters Input Voltage: 100-240VAC 50/60Hz
Rated Power: 300-360W
Protection Functions: Over-voltage/Over-current/Short circuit protection
Safety Certifications: CE/FCC/RoHS
Energy Efficiency Level: Level VI Features High power output, meeting industrial equipment power supply needs
Wide voltage input, globally compatible
Multiple protection circuits, safe and reliable Application Scenarios Industrial automation equipment
LED lighting and displays
Communication base stations FAQ What output voltages are supported? A: Supports customization of various specifications such as 12V/24V/36V/48V.
Technical Specifications
| Parameters | Please consult sales for detailed specifications |
Product Features
- Please contact sales for detailed product features
Application Scenarios
- Consumer Electronic Devices
Smartphones, tablets, laptops, gaming consoles, etc., for PD fast charging and conventional charging, supporting PD3.0/QC4+/PPS full protocols. - Medical Equipment Power Supply
Patient monitors, ventilators, portable medical equipment, ultra-low leakage current, certified to IEC EN60601 medical grade. - Industrial Control and LED Lighting
Industrial switches, industrial PCs, LED displays, security surveillance, wide voltage range 9-58VDC adjustable, adapting to harsh grid environments. - Network Communication and IoT
Routers, switches, fiber optic terminals, IoT gateways, high-reliability uninterrupted power supply, certified by UL/CE/FCC.
Frequently Asked Questions
What is Energy Efficiency Level VI? What are the requirements for a power adapter?
Level VI is the sixth generation energy efficiency standard established by the US DoE (Department of Energy), mandatory since February 2016. Core requirements: ① No-load power consumption ≤ 0.1W (Level V is 0.3W);
② Average conversion efficiency ≥ 87% (for models ≥ 150W) or ≥ 87.3% (<150WLevel VLevel VI15~20%Level VIErP
What is the plug polarity of this power adapter? Center positive and outer negative or center negative and outer positive?
The default DC jack polarity of this unit is center positive and outer negative (center is positive), which is the standard polarity for the vast majority of electronic devices. A few special devices (such as some communication equipment, guitar effects pedals) use center negative and outer positive. Before use, please check the original adapter label or the polarity mark on the device body (usually marked with a "-○ +" symbol, the dot indicates the center polarity). If the device requires center negative and outer positive, Yingna can provide a reverse polarity DC jack, or the customer can replace the wiring themselves (warranty not affected). Note: Incorrect polarity may damage the device. Please confirm the polarity is correct before first use.
Can I customize the LOGO and packaging after purchasing this power adapter?
Yes. Yingna Technology provides 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 all 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 stock items can be shipped within 48 hours.
What is the lifespan of this power adapter? Will leaving it plugged in for a long time damage it?
The design lifespan of this unit is ≥ 50,000 hours (MTTF, Mean Time To Failure), which is approximately 5.7 years of continuous operation under rated load and normal temperature. Leaving it plugged in for a long time will not damage the adapter. This unit complies with Level VI energy efficiency standards, with no-load power consumption<0.1W
Does this power adapter support global 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 interchangeable plug design, one adapter can be used in any country worldwide, especially suitable for export product matching and cross-border projects.
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), FCC (US electromagnetic compatibility). Some models can optionally include PSE (Japan), KC (South Korea), SAA (Australia), CCC (China Compulsory Certification), etc. The UL certification number is traceable, and CE declaration documents are complete. For bulk purchases, UL certification copies, CE declarations, and FCC test reports 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.
Can this power adapter be used outdoors or in harsh environments?
This unit is suitable for indoor environments (operating temperature 0~40℃, relative humidity 20~80%). Special handling is required in the following harsh environments: ① High temperature environments (>40℃) – derating (power reduces by 15% for every 10℃ increase), or choose an industrial-grade wide-temperature model (-20~60℃);
② High humidity environments – install a moisture-proof sealed box;
③ Outdoor exposed environments – choose an IP67 waterproof model or install a waterproof box;
④ High altitude areas – reduced heat dissipation efficiency, requiring derating. If your application environment has special requirements, please inform us in advance, and Yingna can provide customized solutions.
What is the difference between a PD fast charging adapter and a regular adapter?
A PD fast charging adapter supports the USB PD (Power Delivery) protocol. Core advantages: ① Intelligent voltage regulation – outputs multiple voltage levels like 5V/9V/12V/15V/20V via the USB-C interface, intelligently matching device needs;
② Bidirectional power supply – supports forward charging and reverse charging;
③ High power – supports up to 100W for PD3.0, up to 240W for PD3.1;
④ Multi-device compatibility – phones, tablets, laptops can share one adapter. A regular adapter outputs a fixed voltage (single voltage), 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 charging adapter.
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 specification. When selecting adapter power, it is recommended to calculate the minimum adapter rated 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 one too small will cause the adapter to overheat under load and shorten its lifespan, while choosing one too large increases procurement cost and size.
Is this power adapter constant voltage output or adjustable output?
Determined by model specification: Fixed voltage versions output a nominal voltage (e.g., 12V/24V), suitable for most standard equipment; adjustable voltage versions allow output voltage adjustment within a specified range via a potentiometer knob (e.g., 9~48V adjustable), ideal for R&D testing and multi-device compatibility scenarios. Usage notes for adjustable versions: ① Disconnect the load before adjustment;
② Confirm the voltage matches the device after adjustment before powering on;
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).
What type of plug does this power adapter have? Can it be replaced?
The factory default plug type is selected based on the target market (US Type A/B, EU Type C/F, UK Type G, AU Type I, etc.). Multiple models support a replaceable plug design (modular plug), allowing one adapter to be equipped with multiple country plug modules for global use. To replace the plug, simply remove the existing plug module and insert the new one, no tools required. If your equipment needs to be sold in multiple countries, it is recommended to choose the replaceable plug version (for increased flexibility) or specify the plug type for the target market (lower cost).
What is the output ripple of this power adapter? Does it affect precision equipment?
The output ripple & noise of this unit is ≤1% of the rated voltage (typical value), e.g., a 12V model has ripple ≤120mVp-p. For applications sensitive to ripple, such as audio equipment, precision measuring instruments, and medical devices, it is recommended to choose a model with lower ripple (≤50mVp-p) or add an LC filter circuit. Excessive ripple may cause issues such as audio background noise, measurement errors, and abnormal equipment restarts. Please contact Winna technical support with your application details for the most suitable model recommendation.
