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215x115x30mm | 12 Output Voltages (2.5~48V) | Active PFC | 90% Efficiency | 5000m Altitude | Hiccup Protection | <1.0mA Leakage | Class B EMC | DC Fan | TUV/UL/CCC | 3-Year
The RSP-320 series is MEAN WELL's 320W enclosed power supply with the broadest single-output voltage coverage - 12 models from 2.5V to 48V. It packs 60% more power than the RSP-200 into the same 215x115x30mm chassis using intelligent DC fan forced-air cooling - making it the highest-density PFC supply in its form factor.
Built around 100KHz PFC+PWM dual-stage architecture with 88~264VAC universal input, the RSP-320 achieves PF>0.98 at 115VAC and is fully EN61000-3-2 compliant for EU residential use. Key platform upgrades include 5,000m operating altitude (vs 2,000m on RSP-200), an LED power-on indicator, and a larger 100KHz PWM stage (vs lower frequency on smaller RSP models) for cleaner output.
Measuring 215x115x30mm, the RSP-320 shares the same footprint as LRS-200N2 and RSP-200 - but delivers 320W through a built-in DC fan. The fan is speed-controlled based on internal temperature, ensuring noise is only present when needed. OVP triggers output shutdown requiring a restart (not auto-recovery like the overload protection). External capacitance support of 5,000uF for 2.5V~15V models. BIS certified for 10 of 12 models (excluding 2.5V and 48V).
UL62368-1, TUV, CCC, BSMI, EAC, AS/NZS 60950.1 certified. Dekra EN 61558-1/2-16 for 12V+ models. Class B EMC. 3-year warranty. Note: 8ms hold-up time and OVP requires manual restart after fault clears - not auto-recovery.
| Parameter | 2.5V | 3.3V | 4V | 5V | 7.5V |
|---|---|---|---|---|---|
| DC Output Voltage | 2.5V | 3.3V | 4V | 5V | 7.5V |
| Rated Current | 60A | 60A | 60A | 60A | 40A |
| Rated Power | 150W | 198W | 240W | 300W | 300W |
| Ripple & Noise | 100mV | 100mV | 100mV | 150mV | 150mV |
| Voltage Adj Range | 2.35~2.85 | 2.97~3.8 | 3.7~4.3 | 4.5~5.5 | 6~9V |
| Voltage Accuracy | +/-2.0% | +/-2.0% | +/-2.0% | +/-2.0% | +/-2.0% |
| Line / Load Reg | 0.5/1.5% | 0.5/1.5% | 0.5/1.0% | 0.5/1.0% | 0.5/1.0% |
| Efficiency (Typ.) | 75.5% | 79.5% | 81% | 83% | 88% |
| Parameter | 12V | 13.5V | 15V | 24V | 27V | 36V | 48V |
|---|---|---|---|---|---|---|---|
| DC Output Voltage | 12V | 13.5V | 15V | 24V | 27V | 36V | 48V |
| Rated Current | 26.7A | 23.8A | 21.4A | 13.4A | 11.9A | 8.9A | 6.7A |
| Rated Power | 320.4W | 321.3W | 321W | 321.6W | 321.3W | 320.4W | 321.6W |
| Ripple & Noise | 150mV | 150mV | 150mV | 150mV | 200mV | 220mV | 240mV |
| Voltage Adj Range | 10~13.2 | 12~15 | 13.5~18 | 20~26.4 | 26~31.5 | 32.4~39.6 | 41~56V |
| Line Reg / Load Reg | 0.3/0.5% | 0.3/0.5% | 0.3/0.5% | 0.2/0.5% | 0.2/0.5% | 0.2/0.5% | 0.2/0.5% |
| Efficiency (Typ.) | 88% | 88% | 88.5% | 89% | 89% | 89.5% | 90% |
| Input Voltage | 88~264VAC universal; 124~370VDC. PF>0.98/115V, PF>0.95/230V. Frequency 47~63Hz |
| AC Current / Inrush | 4A/115V, 2A/230V (12V+); 2.7A/115V, 1.5A/230V (2.5~7.5V); Inrush 20A/115V, 40A/230V cold start |
| Leakage / Hold-up | < 1.0mA / 240VAC - medical-adjacent ready; Hold-up 8ms (230/115VAC, full load) |
| Overload Protection | 105~135% rated power; Hiccup mode, auto-recovery after fault removal |
| Overvoltage Protection | 2.5V:2.88~3.38 / 3.3V:3.8~4.5 / 4V:4.5~5.3 / 5V:5.75~6.75 / 7.5V:9.4~10.9 / 12V:13.8~16.2 / 13.5V:15.7~18.4 / 15V:18.8~21.8 / 24V:27.6~32.4 / 27V:32.9~38.3 / 36V:41.4~48.6 / 48V:58.4~68V. Output shutdown, requires restart to recover |
| OTP / Ext. Capacitor | OTP: shutdown, auto-recovery after temperature drops; Max 5,000uF for 2.5V~15V models |
| Cooling | DC fan forced-air with speed control based on internal temperature (not fanless like RSP-200) |
| LED Indicator | Power-on LED indicator - visual confirmation of output status |
| Operating Temp | -30~+70C (fan cooled; derating applies). Temperature coefficient +/-0.03%/C (0~50C); Humidity 20~90% RH |
| Vibration / Altitude | 10~500Hz, 2G, 10 min/cycle, 60 min each X/Y/Z; 5,000m operating altitude (OVC II) |
| Safety Standards | UL62368-1, TUV BS EN/EN62368-1, CCC GB4943.1, EAC TP TC 004, BSMI CNS15598-1, AS/NZS 60950.1; Dekra EN 61558-1/2-16, IEC 61558-1/2-16 (12V+); BIS IS13252/IEC60950-1 (except 2.5V, 48V) |
| Withstand / Insulation | I/P-O/P: 3KVAC | I/P-FG: 2KVAC | O/P-FG: 0.5KVAC; Insulation: >100Mohm/500VDC/25C/70% RH |
| EMC | EN55032 Class B, EN61000-3-2/-3, GB9254 Class B, GB17625.1, EAC TP TC 020, CNS15936; Immunity: EN61000-4-2,3,4,5,6,8,11, EN55035 light industrial |
| MTBF / Dimensions | 1,826.4K hrs (Telcordia); 215x115x30mm; 0.9kg / 15pcs / 14.5kg / 0.78CUFT |
The RSP-320 delivers 320W vs 200W (+60%) in the same 215x115x30mm form factor. Key differences: (1) DC fan forced-air cooling (vs fanless RSP-200) - the fan enables 320W density; (2) 5,000m altitude rating (vs 2,000m); (3) LED power-on indicator; (4) 60A on low-voltage models (vs 40A); (5) OVP requires restart (vs restart on RSP-200 too - same mechanism); (6) 2G vibration (vs no explicit rating on RSP-200); (7) 0.9kg (vs 0.72kg). Choose RSP-320 when you need maximum power in 215x115x30mm with active cooling.
The RSP-320 uses an intelligent DC fan with speed control. At light loads and low ambient temperatures, the fan runs at minimum speed or may be near-silent. At higher loads and temperatures, fan speed increases to maintain safe internal temperatures. This is different from the fanless RSP-200 and SE series continuous fans.
Yes - 5,000m is the rated operating altitude (OVC II). This is the highest in the RSP enclosed family (RSP-200: 2,000m). Note that the fan-cooled design requires derating at 5C per 1,000m above 2,000m per the manufacturer's derating guidelines.
Unlike the hiccup-mode overload protection (auto-recovery), OVP triggers a hard output shutdown. The power supply must be restarted (power cycle AC input) after the overvoltage condition is resolved. This is a safety design - overvoltage indicates a fault that should be investigated before resuming operation.
The RSP-320 is tested to 2G vibration (10~500Hz) and operates from -30~70C. It does not carry an IP rating - enclosure required for outdoor use. For applications requiring higher vibration resistance (5G+), consider the LRS-N2 series. For fanless outdoor use at lower power, consider the RSP-200.
Select the RSP-320 model. All 12 feature active PFC, Class B EMC, DC fan cooling, 5,000m altitude, and hiccup overload protection.
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