Specifications
Â
3 Year Warranty |
 |
Approvals:Â |
Â
Specifiction |
PRODUCTÂ NUMBER |
LTEF320G-S050550 |
LTEF320G-S120250 |
LTEF320G-S240130 |
LTEF320G-S360088 |
LTEF320G-S480067 |
|
OUTPUTÂ |
DC Output |
5.0V |
12V |
24V |
36V |
48V |
Rated Current |
55A |
25A |
13A |
8.8A |
6.7A |
|
Current Range   Note 1 |
0~55A |
0~25A |
0~13A |
0~8.8A |
0~6.7A |
|
Ripple and Noise  Note 2 |
<150mV |
<150mV |
<200mV |
<200mV |
<200mV |
|
Voltage ADJ.  Range |
+10% of rated output voltage |
|||||
Voltage Accuracy  |
±1.0% |
|||||
Line Regulation |
±0.5% |
|||||
Load Regulation |
±1.0% |
|||||
Set-up Time |
â¤2S (230VAC input, Full load);  â¤4S (120VAC input, Full load) |
|||||
Hold up Time  |
â¥10mS (120/230Vac input, Full load) |
|||||
Temperature Coefficient |
±0.03%/°C |
|||||
Overshoot and Undershoot |
<5.0%Â |
|||||
INPUTÂ |
Voltage Range   |
90Vac~264Vac,120Vdc~370Vdc |
||||
Frequency Range |
47Hz--63Hz |
|||||
Power Factor(Typical)Â |
PFï¼0.98/120VAC Â Â PFï¼0.95/230VACÂ |
|||||
Efficiency ( Typical)Â |
79% |
84.5% |
87% |
87% |
87.5% |
|
AC Current (max.)Â |
< 4.5AÂ |
|||||
Inrush Current (Typical)Â |
<50A@220Vac  <30A@110Vac  Cold start |
|||||
Leakage Current |
Inputâoutput:<0.25mA Â Â InputâPG:<3.5mAÂ |
Â
Â
PROTECTIONÂ |
Over Load |
105%~150% of rated output current, Hiccup mode, auto recovery |
|||
Over power |
105%~150% of rated output power, hiccup mode, auto recovery |
||||
Short Circuit |
Long-term mode, auto recovery  |
||||
ENVIRONMENTÂ |
Operating amb. Temp. & Hum. |
-20°C~65°C;  20%~90%RH  No condensing(refer to the derating curve) |
|||
Vibration |
10 ~ 500Hz, 2G 10min./1cycle, period for60min. each along X,Y, Z axes |
||||
Storage Temp. & Hum. |
-40°C~85°C     ;  10%~95%RH  No condensing |
||||
SAFETY &EMCÂ Â (Note 3)Â |
Safety Standards |
UL60950-1 2nd Ed; IEC 60950-1:2005(2nd Ed) ;EN60950-1:2006 |
|||
Withstand Voltage |
Primary-Secondary: 3.0KVac; â¤10mA .Primary-PG:1.5KVac; â¤10mA. Secondary-PG: 0.5KVDC;â¤10mA. |
||||
Isolation Resistance |
10M ohms  |
||||
EMI Conduction&Radiation |
Compliance to EN55022,EN55024 Class BÂ |
||||
Harmonic Current |
Compliance to EN61000-3-2,-3Â |
||||
EMS Immunity |
Compliance to EN61000-4-2,3,4,5,6,8,11; heavy industry level |
||||
OTHERSÂ |
MTBF (MIL-HDBK-217F)Â |
More than 200,000Hrs (25°ãC, Full load) |
|||
Dimension  (L*W*H) |
199Ã99Ã50mm |
||||
Packing |
12PCS/CTN, 9.8KGS, 0.04CBMÂ |
||||
Cooling method |
Cooling by forced air (built-in DC fan)Â |
||||
NOTEÂ |
|
Â
Block Diagram |
Â
Derating Curve |
Â
Â
Â
Mechanical Specification |
Â
Â
Â