| AC input voltage range | 88~264VAC; 124~370VDC |
| AC inrush current (max.) | Cold start, 65A at 230VAC |
| DC adjustment range | 24V: 24~28V, 48V: 48~55V |
| Overload protection | Normally works within 110%~150% rated output power for 3 seconds and then shut down output voltage with auto-recovery (re-power on to recover for SDR-75) |
| Overload protection | >150% rated power or short circuit, constant current limiting with auto-recovery within 2 seconds and may cause to shut down if over 2 seconds |
| Over voltage protection Range | 29~33V for 24V model, 56~65V for 48V model |
| Over voltage protection Type | Shut down o/p voltage, re-power on to recover |
| Over temp. protection | Recovers automatically after temperature goes down |
| Withstand voltage | I/P-O/P:3kVAC, I/P-FG:1.5kVAC, O/P-FG:0.5kVAC, O/P-DC OK:0.5kVAC |
| Working temperature | -25~+70°C (refer to output derating curve) |
| Safety standards | UL508, TUV EN60950-1, GL approved |
| EMC standards | EN55022 class B, EN61000-3-2,3, EN61000-4-2,3,4,5,6,8,11, EN61000-6-2 (EN50082-2), EN61204-3; SEMI, GL |
| Connection | I/P: 3 poles, O/P: 6 poles screw DIN terminal |
| Dimension (WxHxD)(mm) | 63x125.2x113.5 |