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215x115x30mm Slim Profile | 48V DC Output | 7.3A Rated Current | 200% Peak Power | Built-in Fan | 3-Year Warranty
The LRS-350N2-48 is the 48V output model in MEAN WELL's LRS-350N2 series of 350W single-output enclosed industrial power supplies. Delivering 7.3A at 48V DC with 350.4W rated power, it achieves the highest efficiency in the lineup at 89% - ideal for Power-over-Ethernet (PoE) infrastructure, telecom equipment, and high-power LED lighting systems where energy efficiency directly impacts operating costs.
Like all LRS-350N2 models, the LRS-350N2-48 uses a switchable 90~132VAC / 180~264VAC input (selected via built-in switch) and supports 240~370VDC input. It features the series' signature 200% peak power capability - delivering up to 700W momentarily to handle startup surges. 48V is the preferred voltage for telecom, PoE, and high-power LED applications where lower current reduces I2R losses and allows longer cable runs.
At 89% efficiency, the LRS-350N2-48 generates less waste heat than any other model in the series, making it the best choice for thermally constrained installations. The built-in DC fan with intelligent thermal control (activates at 50C, off at 40C) ensures sustained full-load operation in demanding environments.
The LRS-350N2-48 holds IEC/UL62368-1, BS EN/EN61558-1/-2-16, GB4943.1 (CQC), and BSMI CNS15598-1 certifications, is rated for altitudes up to 2,000 meters, and comes with a 3-year warranty. Note: The 48V model is not BIS-certified for India and is not compliant with EN61000-3-2 for certain EU applications.
| Model | LRS-350N2-48 |
| DC Output Voltage | 48V |
| Rated Current | 7.3A (0 ~ 7.3A) |
| Rated Power | 350.4W |
| Peak Power (200%) | 700W (t <= 5s, duty <= 35%) |
| Ripple & Noise (max) | 200mVp-p |
| Voltage Adjustment Range | 43.2 ~ 52.8V |
| Voltage Accuracy | +/-1.0% |
| Line Regulation | +/-0.5% |
| Load Regulation | +/-0.5% |
| Efficiency (Typ.) | 89% |
| Overvoltage Protection | 55.2 ~ 64.8V (shutdown output, auto-recovery) |
| Input Voltage Range | 90~132VAC / 180~264VAC (switch-selectable); 240~370VDC (switch at 230VAC) |
| Input Surge Immunity | Withstands 300VAC surge for 5 seconds |
| Frequency Range | 47~63Hz |
| AC Current (Typ.) | 6.8A / 115VAC | 3.8A / 230VAC |
| Inrush Current (Typ.) | 60A / 115VAC | 60A / 230VAC (cold start) |
| Leakage Current | < 2mA / 240VAC |
| Overload Protection | >105% rated power for >5 sec -> output shutdown, auto-recovery; >200% -> hiccup mode, auto-recovery |
| Short Circuit Protection | Hiccup mode, auto-recovery after fault removal |
| Over-temperature Protection | Shutdown output, auto-recovery after temperature drops to safe level |
| Fan On/Off Control | RTH3 >= 50C fan on, <= 40C fan off (intelligent thermal management) |
| Operating Temperature | -20~+70C (refer to derating curve) |
| Operating Humidity | 20~90% RH, non-condensing |
| Storage Temp / Humidity | -40~+85C, 10~95% RH |
| Vibration Resistance | 10~500Hz, 5G, 10 min/cycle, 60 min each for X, Y, Z axes |
| Overvoltage Category | OVC III (EN61558, EN50178, EN60664-1, EN62477-1; up to 2,000m) |
| MTBF | >= 1,857.9K hrs (Telcordia SR-332); >= 226.2K hrs (MIL-HDBK-217F, 25C) |
| Dimensions | 215 x 115 x 30 mm (LxWxH) |
| Net Weight / Packaging | 0.76 kg / 15 pcs per carton / 12.4 kg / 0.67 CUFT |
| Safety Standards |
IEC/UL62368-1, BS EN/EN61558-1, BS EN61558-2-16 CQC: GB4943.1 | BSMI: CNS15598-1 | EAC: TP TC 004 Design refers to: BS/EN/EN62368-1, AS/NZS 61558.1/2.16, AS/NZS 62368.1 Note: 48V model is NOT BIS-certified. Do not ship to India. |
| Withstand Voltage | I/P-O/P: 3.75KVAC | I/P-FG: 2KVAC | O/P-FG: 0.5KVAC |
| Insulation Resistance | I/P-O/P, I/P-FG, O/P-FG: > 100Mohm / 500VDC / 25C / 70% RH |
| EMC Emissions |
BSMI CNS15936, EAC TP TC 020 Note: Not compliant with EN61000-3-2 harmonic current limits for certain EU applications. |
| EMC Immunity | BS EN/EN55035, EAC TP TC 020 |
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