Specifications
3 Year Warranty |
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Approvals: |
Specification |
PRODUCTÂ NUMBER |
LTEF800-S240 |
LTEF800-S270 |
LTEF800-S480 |
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OUTPUTÂ |
DC Output |
24V |
27V |
48V |
Rated Current (100~127Vac) |
27A |
23A |
14A |
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Rated Current (128~264Vac) |
33A |
29A |
16.5AÂ |
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Ripple and Noise Note 2 |
â¤200mV |
â¤200mV |
â¤200mV |
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Voltage ADJ. Range |
-5%~+10% of rated output voltage |
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Voltage Accuracy |
±2% |
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Line Regulation |
±0.5% |
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Load Regulation |
±2% |
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Set-up Time |
≤3S (220Vac input, Full load) |
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Hold up Time |
≥8mS (220Vac input, Full load) |
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Temperature Coefficient |
±0.03%/°C |
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Overshoot and Undershoot |
<5.0% |
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INPUT |
Voltage Range |
90Vac~264Vac,127Vdc~370Vdc |
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Frequency Range |
47Hz--63Hz |
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Power Factor (Typical) |
PF≥0.96/230VAC PF≥0.98/115VAC Full Load |
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Efficiency (Typical) |
≥89% |
≥89% |
≥89% |
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AC Current (max.) |
≤12 A |
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Inrush Current (Typical) |
≤20A@220Vac Cold start |
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Leakage Current |
Input—output: ≤0.25mA Input— PG: ≤3.5mA |
PROTECTION |
Over Load |
110%~135% of rated output current, constant current, auto recovery |
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Over power |
110%~135% of rated output power, constant current, auto recovery |
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Over Temperature |
105°C+5°C(detect on Mosfet temperature); shut down, auto recovery after the temperature goes down to 70°C |
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Over Voltage |
110%~150% of rated output voltage, constant voltage, auto recovery |
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Short Circuit |
Long-term mode, constant current, auto recovery |
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ENVIRONMENT |
Operating amb. Temp. & Hum. |
-30°C~70°C; 20%~90% RH No condensing (refer to derating curve) |
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Storage Temp. & Hum. |
-40°C~85°C; 10%~95% RH No condensing |
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SAFETY &EMC (Note 3) |
Safety Standards |
UL60950-1 2nd Ed; IEC 60950-1:2005(2nd Ed); EN60950-1:2006 |
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Withstand Voltage |
Primary-Secondary:3.0KVac; ≤10mA .Primary-PG:1.5KVac; ≤10mA. Secondary-PG:0.5KVac; ≤10mA. |
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Isolation Resistance |
10M ohms |
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EMI Conduction & Radiation |
Compliance to EN55022, Class B |
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Harmonic Current |
Compliance to EN61000-3-2, Class D |
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EMS Immunity |
Compliance to EN61000-4-2,3,4,5,6,8,11; heavy industry level |
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OTHERS |
MTBF (MIL-HDBK-217F) |
More than 200,000Hrs (25°C, Full load) |
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Dimension (L*W*H) |
226x116.5x41 mm |
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Packing |
6PCS/CTN, 8.9KGS, 0.04CBM |
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Cooling method |
Fored air cooling (Built-in fan, the fan speed is controlled by load and internal temp.) |
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NOTE |
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Block Diagram |
Derating Curve |
Mechanical Specification |
Datasheet PDF