| | SITOP POWER 0.375 A, DC/DC STABILIZED POWER SUPPLY INPUT: 48-220 V DC OUTPUT: 24 V DC/0.375 A |
| Technical specifications | |
| Product | SITOP power |
| Power supply, type | 24 V/0.375 A |
| Input | |
| Input | DC voltage |
| Supply voltage / at DC | 48… 220 V |
| Voltage range | 30… 187 V |
| Input voltage / at DC | 30… 264 V |
| Wide-range input | Yes |
| Overvoltage resistance | - |
| Mains buffering at Iout rated, min. | 10 ms |
| Mains buffering | at Vin = 220 V |
| Input current / at nominal level of the input voltage 48 V | 0.3 A |
| Input current / at nominal level of the input voltage 220 V | 0.06 A |
| Switch-on current limiting (+25 °C), max. | 35 A |
| Duration of current limiting / at 25 °C / typical | 3 ms |
| Inrush current A²s | 1.2 A²·s |
| Built-in incoming fuse | F 4 A/250 V (not accessible) |
| Protection in the mains power input (IEC 898) | Recommended miniature circuit breaker: from 6 A, characteristic C, suitable for DC |
| Output | |
| Output | controlled, isolated DC voltage |
| Rated voltage | 24 V |
| Total tolerance, static ± | 3 % |
| Static mains compensation, approx. | 0.1 % |
| Static load balancing, approx. | 0.1 % |
| Residual ripple peak-peak, max. | 150 mV |
| Residual ripple peak-peak, typ. | 50 mV |
| Spikes peak-peak, max. (bandwidth: 20 MHz) | 240 mV |
| Spikes peak-peak, typ. (bandwidth: 20 MHz) | 50 mV |
| Product feature / output voltage adjustable | No |
| Output voltage setting | - |
| Status display | Green LED for 24 V OK |
| On/off behavior | No overshoot of Vout (soft start) |
| Startup delay, max. | 2.5 s |
| Voltage rise, typ. | 90 ms |
| Rated current value Iout rated | 0.375 A |
| Current range | 0… 0.375 A |
| | 0.255 A up to +70 °C |
| delivered active power / typ. | 9 W |
| short-term overload current / at short-circuit during operation / typical | 2.7 A |
| Duration of overloading ability for excess current / on short-circuiting during the operational phase | 200 ms |
| Parallel switching for enhanced performance | No |
| Efficiency | |
| Efficiency at Vout rated, Iout rated, approx. | 66 % |
| Power loss at Vout rated, Iout rated, approx. | 4.6 W |
| Closed-loop control | |
| Dynamic mains compensation (Vin rated ±15 %), max. | 0.3 % |
| Dynamic load smoothing (Iout: 50/100/50 %), Uout ± typ. | 0.4 % |
| Load step setting time 50 to 100%, typ. | 2 ms |
| Load step setting time 100 to 50%, typ. | 2 ms |
| Protection and monitoring | |
| Output overvoltage protection | Yes, according to EN 60950 |
| Current limitation | 0.41… 0.49 A |
| Characteristic feature of the output / short-circuit protected | Yes |
| Short-circuit protection | Electronic shutdown, automatic restart |
| Enduring short circuit current / Effective level / maximum | 0.9 A |
| Overload/short-circuit indicator | - |
| Safety | |
| Primary/secondary isolation | Yes |
| Potential separation | Safety extra low output voltage Vout according to EN 60950-1 and EN 50178 |
| Protection class | Class I |
| stray current / maximum | 3.5 mA |
| CE mark | Yes |
| UL/CSA approval | Yes |
| UL/cUL (CSA) approval | cULus-Listed (UL 508, CSA C22.2 No. 142), File E143289, cURus-Recognized (UL 60950, CSA C22.2 No. 60950), File E151273 |
| Explosion protection | - |
| FM approval | - |
| CB approval | No |
| Marine approval | - |
| Degree of protection (EN 60529) | IP20 |
| EMC | |
| Emitted interference | EN 55022 Class B |
| Supply harmonics limitation | not applicable |
| Noise immunity | EN 61000-6-2 |
| Operating data | |
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