Professional 350W Power Solution with Premium Components
The LRS-350W 350W switching power supply sets new standards for high-power applications, engineered with components meeting industry-leading quality standards. This versatile AC-DC power supply delivers selectable 12V/24V/36V/48V DC output with exceptional stability, making it a reliable choice for industrial automation, telecommunications, and high-density LED systems. Many engineers choose our LRS series as a high-quality alternative to Meanwell power supplies, benefiting from comparable performance with enhanced value.
Advanced Engineering for Demanding Environments
Featuring cutting-edge switching power supply technology, the LRS-350W achieves exceptional efficiency up to 91% with active PFC (≥0.95). The design follows international IEC 62368-1 safety standards and incorporates premium components that match the quality of industry-leading brands. The fully enclosed metal housing provides superior EMI/RFI suppression and IP-level protection, ensuring reliable operation in challenging industrial conditions.
Comprehensive Protection & Safety Systems
This 350W industrial power supply integrates multiple safeguards including overload/over-voltage/short-circuit/over-temperature protection. The smart temperature-controlled cooling system automatically adjusts fan speed based on thermal conditions. Built with high-reliability components that meet stringent quality benchmarks, this unit delivers performance that satisfies even the most demanding application requirements.
Wide-Ranging Applications
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Industrial Automation: Powers industrial PCs, motor drives, and robotic systems
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Telecommunications: Reliable energy for server racks and network infrastructure
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High-Power LED Systems: Ideal as 48V LED power supply for commercial and architectural lighting
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Security Systems: Stable operation for multi-camera surveillance networks
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Test & Measurement: Clean power for automated test equipment and burn-in systems
Complete Technical Specifications
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Output Power: 350W
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Output Voltage: 12V/24V/36V/48V DC selectable
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Output Current: 12V@29A, 24V@14.5A, 36V@9.7A, 48V@7.3A
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Input Voltage: AC 85-264V (47-63Hz)
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Efficiency: Up to 91%
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Power Factor: ≥0.95
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Protections: OLP/OVP/SCP/OTP
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Operating Temperature: -30°C to +70°C
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Safety Certifications: CE, RoHS, UL 62368-1
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Cooling: Temperature-controlled fan
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Dimensions: 275mm × 145mm × 65mm
Enhanced Compatibility & Value
The LRS-350W features universal mounting options and industrial-grade terminals for secure high-current connections. Many users find our LRS series offers comparable specifications to premium brands with additional cost advantages. For different power needs, consider our LRS-200W model for medium-power applications or explore our complete range of industrial power supplies to find your ideal solution.
| LRS-350 series 350W switching power supply | |||||
| project | Technical index | ||||
| output | DC voltage | 5V | 12V | 24V | 48V |
| Rated current | 60A | 29A | 14.6A | 7.3A | |
| Rated power | 300W | 348W | 350.4W | 350.4W | |
| Ripple and noise ① | 150mVp-p | 150mVp-p | 150mVp-p | 200mVp-p | |
| Ripple and noise | ±10% | ||||
| Voltage accuracy | ±3.0% | ±1.5% | ±1.0% | ±1.0% | |
| Linear adjustment rate | ±0.5% | ±0.5% | ±0.5% | ±0.5% | |
| Load adjustment rate | ±2.0% | ±1.0% | ±0.5% | ±0.5% | |
| Starting and rising time | 1500ms、50ms/230VAC 1500ms、50ms/115VAC(full load) | ||||
| Retention time | 16ms/230VAC 12ms/115VAC(full load) | ||||
| input | Voltage range / frequency | 90-132VAC/180-264VACSelect by switch / 240-370VDC 47Hz～63Hz | |||
| Efficiency (typical) ② | 83.50% | 85% | 88% | 89% | |
| Working current | 6.8A/115VAC 3.4A/230VAC | ||||
| Impulse current | Cold start：60A/115VAC 60A/230VAC | ||||
| Leakage current | ＜2mA 240VAC时 | ||||
| protect | overload protection | 110% – 130% protection type: burping mode, automatic return to normal after removing abnormal conditions | |||
| Overvoltage protection | 115% – 145% protection type: close the output, restart and automatically return to normal | ||||
| Over temperature protection | Protection type ≥ 90 ℃: burping mode, automatic return to normal after removing abnormal conditions | ||||
| function | Fan on / off control | Rth3 ≥ 50 ℃ fan on ≤ 40 ℃ fan off | |||
| Environmental Science | Working temperature and humidity | -25℃～+70℃；20%～90RH | |||
| Storage temperature and humidity | -40℃～+85℃；10%～95RH | ||||
| Safety regulations | Withstand voltage | Input output:3KVAC Input – Housing:2KVAC Output – Housing:0.5KVAC 1 minute | |||
| Insulation impedance | Input output, input shell, output shell ：500VDC/100MΩ 25℃ 70%RH | ||||
| Other | size | 215*115*30mm(L*W*H) | |||
| Net weight / gross weight | 760g/827g | ||||
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