| Specification  | 
Model |  
| S-500B-12 | 
S-500B-24 | 
S-500B-36 | 
S-500B-48 |  
| DC output | 
12V  40A | 
24V      20A | 
36V    14A | 
48V    10A |  
| Wave and noise | 
75mVP-P | 
75mVP-P | 
100mVP-P | 
100mVP-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% |  
| Adiustable range for DC voltage | 
±10% | 
±10% | 
±10% | 
±10% |  
| AC input voltage range | 
170~264VAC   Selected by switch   47~63Hz,  250~370VDC  |  
| AC Inrush current | 
Cold-start current    36A/230V     18A/115V  |  
| OverLoad protection | 
105%~300%  hiccup mode ,auto-recovery  |  
| Over-voltage protection | 
115%~140% rated output voltage  |  
| Setup,rise,hold up time | 
200ms, 50ms,20ms |  
| Withstand voltage | 
I/P-O/P:1.5KvAC  I/P-FG:1.5KvAC  O/P-FG:0.5Kv AC 1 minute |  
| 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 |    |