Mean Well LRS-450-12 Enclosed Switching Power Supply 12 V, 37.5 A, 450 W
- Brand
- Mean Well
- Model number
- LRS-450-12
Mean Well LRS-450-12, an enclosed switching power supply from the LRS-450 series for 90-132 / 180-264 V AC input, up to 90% efficient, for machines, control panels and LED systems.
Price and availability on request
Key features
- MEANWELL Patent Number :ZL202220241473.0
- AC input range selectable by switch
- Withstand 300VAC surge input for 5 second
- Protections: Short circuit / Overload / Over voltage / Over temperature
- Forced air cooling
- Built-in cooling Fan ON-OFF control
- 1U low profile
- Withstand 5G vibration test
- High operating temperature up to 70℃
- Operating altitude up to 5000 meters (Note.10)
- 3 years warranty
- MTBF>1KK hrs
Specifications
| DC voltage | 12V |
|---|---|
| Rated current | 37.5A |
| Current range | 0 ~ 37.5A |
| Rated power | 450W |
| Ripple & noise (max.) | 200mVp-p |
| Voltage adj. range | 11.4 ~ 13.2V |
| Voltage tolerance | ±1.5% |
| Line regulation | ±0.5% |
| Load regulation | ±1.0% |
| Setup, rise time | 1500ms, 50ms/230VAC 1500ms,50ms/115VAC at full load |
| Hold up time (typ.) | 16ms/230VAC 12ms/115VAC at full load |
| Voltage range | 90 ~ 132VAC / 180 ~ 264VAC by switch 255 ~ 370VDC (swith on 230VAC) |
|---|---|
| Frequency range | 47 ~ 63Hz |
| Efficiency (typ.) | 90% |
| AC current (typ.) | 10A/115VAC 6A/230VAC |
| Inrush current (typ.) | 35A/115VAC 60A/230VAC |
| Leakage current | <2mA / 240VAC |
| Over load | 105 ~ 150% rated output power; Constant current limiting, unit will shutdown after 3 sec. re-power on to recover |
|---|---|
| Over voltage | 13.8 ~ 16.2V; Protection type : Shut down o/p voltage, re-power on to recover |
| Over temperature | Shut down o/p voltage, re-power on to recover |
| Fan ON/OFF control (typ.) | RTH3≧50℃ FAN ON, ≦40℃ FAN OFF |
|---|
| Working temp. | -20 ~ +70℃ (Refer to "Derating Curve") |
|---|---|
| Working humidity | 20 ~ 90% RH non-condensing |
| Storage temp., humidity | -40 ~ +85℃, 10 ~ 95% RH |
| Temp. coefficient | ±0.03%/℃ (0 ~ 50℃) |
| Vibration | 10 ~ 500Hz, 5G 10min./1cycle, 60min. each along X, Y, Z axes |
| Over voltage category | Ⅲ: According to EN61558, EN50178, EN60664-1, EN62477-1; altitude up to 2000 meters |
| Safety standards | BS IEC/UL 62368-1, EAC TP TC 004,KC62368-1(except for 5V), BIS IS13252(Part1):2010/IEC60950-1:; 2005(NOTE 13),BSMI CNS15598-1,GB 4943.1,BS EN/EN61558-1,BS EN/EN61558-2-16 approved,; Designed by AS/NZS 61558.1/2.16, AS/NZS 62368.1 |
|---|---|
| Withstand voltage | I/P-O/P:3.75KVAC I/P-FG:2KVAC O/P-FG:0.5KVAC |
| Isolation resistance | I/P-O/P, I/P-FG, O/P-FG:100M Ohms/500VDC / 25℃/ 70% RH |
| EMC emission | Compliance to EAC TP TC 020, BSMI CNS15936,KC KSC 9832, KSC 9835 |
| EMC immunity | Compliance to EAC TP TC 020,KC KSC 9832, KSC 9835 |
| MTBF | 1508.9K hrs min. Telcordia SR-332(Bellcore) ; 252.2K hrs min. MIL-HDBK-217F (25℃) |
|---|---|
| Dimension | 225*124*35mm (L*W*H) |
| Packing | 0.85Kg/15pcs/14.11Kg/0.84CUFT |
Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.
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