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Meanwell SE-450-3.3 is medium and small-size high-power switching power supply. It is manufactured with a lead-free process which fits environmental protection requirements and has complete protection functions and also 100% full load aging test. SE-450-3.3 is an enhanced version of the NE series power supply with built-in DC fan forced ventilation cooling and LED indicating the working status of the power supply. Because of the high performance, good warranty and long life, Meanwell SE-450-3.3 is a high price-to-performance power supply solution for various industrial fields.
Model | SE-450-3.3 | |
Output | DC VOLTAGE | 3.3V |
RATED CURRENT | 75A | |
CURRENT RANGE | 0-75A | |
RATED POWER | 247.5W | |
RIPPLE & NOISE (max.) mVp-p | 200 | |
VOLTAGE ADJ. RANGE | 2.97-3.63V | |
VOLTAGE TOLERANCE | ±3% | |
LINE REGUL ATION | ±0.5% | |
LOAD REGULATION | ±2% | |
SETUP, RISE TIME | 1500ms, 50ms/230VAC 1500ms, 50ms/115VAC at full load | |
HOLD UP TIME | 16ms/230VAC 12ms/115VAC at full load | |
Input | VOLTAGE RANGE | 90 ~ 132VAC / 180 ~ 264VAC selected by SW 254 ~ 370VDC |
FREQUENCY RANGE | 47 ~ 63Hz | |
EFFICIENCY (Typ.) | 74.00% | |
AC CURRENT (Typ.) | 10A/115VAC 6A/230VAC | |
INRUSH CURRENT (Typ. ) | 35A/115VAC 55A/230VAC | |
LEAKAGE CURR ENT | <2.5mA / 240VAC | |
PROTECTION | OVERLOAD | 105 ~ 150% rated output power |
Protection type : Shut down o/p voltage, re-power on to recovery | ||
OVER VOLTAGE | 3.8 ~ 4.6V | |
Protection type : Shut down o/p voltage, re-power on to recovery | ||
OVER TEMPERATURE | Shut down o/p voltage, recovers automatically after temperature goes down | |
ENVIRONMENT | WORKING TEMP | -10 ~ +60℃ (Refer to "Derating Curve") |
WORKING HUMIDITY | 20 ~ 90% RH non-condensing | |
STORAGE TEMP., HUMIDITY | -40 ~ +85℃,10 ~ 95% RH | |
TEMP. COEFFICIENT | ±0.05%/℃ (0 ~ 50℃) | |
VIBRATION | 10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes | |
SAFETY | SAFETY STANDARDS | UL62368-1, EAC TP TC 004, BSMI CNS14336-1 approved |
WITHSTAND VOLTAGE | I/P-O/P:3KVAC 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 | |
Others | MTBF | 200K hrs min. MIL-HDBK-217F (25℃) |
DIMENSION | 225*124*50mm (L*W*H) | |
PACKING | 1.25Kg;12PCS/16Kg/1CUF |
l UL approved
l 2 years warranty
l LED indicator for power on
l Built-in remote sense function
l AC input range selected by switch
l Forced air cooling by built-in DC ball bearing fan
l Protections: Short circuit/Overload/Overvoltage/Over temperature
Brand | Meanwell |
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