Address
304 North Cardinal
St. Dorchester Center, MA 02124
Work Hours
Monday to Friday: 7AM - 7PM
Weekend: 10AM - 5PM
Address
304 North Cardinal
St. Dorchester Center, MA 02124
Work Hours
Monday to Friday: 7AM - 7PM
Weekend: 10AM - 5PM

Original price was: $24.00.$21.60Current price is: $21.60.
All specifications are based on Mean Well’s official LRS-300E-5 product data sheet (latest version). For the most accurate and up-to-date information, please refer to the official Mean Well website (meanwell.com) or contact authorized distributors. Mean Well reserves the right to modify specifications without prior notice.
General Information
Model: LRS-300E-5
Electrical Parameters
| Parameter | Details |
| Input Voltage | 85-264VAC (Wide Global AC Input Range), 47-63Hz; 120-370VDC (Optional DC Input Compatibility) |
| Output Specification | DC 5V, 60A (Max. Output Power: 300W) |
| Ripple & Noise | ≤150mVp-p (Peak-to-Peak) |
| Efficiency | ≥90% (Typical Load), Up to 92% (Full Load) |
| Protection Functions | Input Over-Voltage Protection (OVP), Input Under-Voltage Protection (UVP), Output Short-Circuit Protection (SCP), Output Over-Current Protection (OCP), Output Over-Voltage Protection (OVP), Over-Temperature Protection (OTP), Over-Power Protection (OPP) |
| Start-Up Time | ≤180ms (At Rated Input, Full Load) |
| Hold-Up Time | ≥20ms (At 230VAC, Full Load) |
| Voltage Adjustment Range | ±10% (Via Built-in Trim Potentiometer) |
Physical & Mechanical
Key Features
✅ Enhanced E-series performance: 300W high power density tailored for high-density LED modules, ensuring stable power supply for large screens.
✅ Global voltage compatibility: 85-264VAC wide input range + optional DC input, adapting to global power grids and special scenarios.
✅ Ultra-high efficiency: Up to 92% conversion efficiency reduces power loss and operating costs for 24/7 continuous use.
✅ 7-layer comprehensive protection: OVP/UVP/SCP/OCP/OVP/OTP/OPP safeguards fully protect LED screens from power anomalies and overloads.
✅ Reinforced heat dissipation: Heavy-gauge steel housing + heat dissipation fins, supporting stable operation at high temperatures (-30°C ~ +75°C).
✅ Fan-less & durable: Dust-proof design avoids airflow blockage, ideal for enclosed LED cabinets and harsh outdoor-adjacent environments.
✅ Compact & space-saving: Slim structure fits seamlessly into limited LED cabinet space, simplifying installation and wiring.
✅ Industrial-grade reliability: 150,000-hour MTBF and global top-tier certifications ensure long service life and market access.
✅ Voltage trim function: ±10% output adjustment adapts to different LED module voltage requirements.
Compliance & Certifications