| Specofication | 
Model | 
| S-450-12 | 
S-450-24 | 
S-450-36 | 
S-450-48 | 
| DC output | 
12V   38A | 
24V  19A | 
 36V   12.5A | 
48V  9.5A | 
| Wave and noise | 
240mVp-p | 
240mVp-p | 
250mVp-p | 
250mVp-p | 
| Inlet stability | 
±0.5% | 
±0.5% | 
±0.5% | 
±0.5% | 
| Load stability | 
±0.5% | 
±0.5% | 
±0.5% | 
±0.5% | 
| Efficiency | 
83% | 
85% | 
    86% | 
87% | 
| Adjustable range for DC voltage | 
±10% | 
±10% | 
±10% | 
±10% | 
| AC input voltage range | 
170-264VAC Selected by switch 47--63HZ  240-370VAC | 
| AC inrush current | 
Cold-start current              18A/115V  36A/230V | 
| OverLoad protection | 
105%--135%  hiccup mode ,auto-recovery  | 
| Over-voltage protection | 
115%--145% rated output voltage | 
| Setup,rise,hold up time  | 
200ms  50ms  20ms | 
| Withstand voltage  | 
I/P-O/P:1.5KvAC I/P-FG:1.5Kv O/P-FG:0.5Kv 1minute | 
| Isolation resistance | 
I/P-O/P  I/P-FG  O/P-FG :500VDC/100MΩ | 
| Working temperature | 
~-10℃----+50℃ | 
| Safety standards | 
Design refer to GB4943,UL60950,EN60950  | 
| EMC standards | 
Design refer to GB9254,EN55022 Class B  | 
| Weight | 
1.5kg |