| SITOP PSU300S 40A STABILIZED POWER SUPPLY INPUT: 400-500 V 3AC OUTPUT: 24 V DC/40 A |
Technical specifications | |
Product | SITOP PSU300S |
Power supply, type | 24 V/40 A |
Input | |
Input | 3-phase AC |
Rated voltage value Vin rated | 400… 500 V |
Voltage range | 340… 550 V |
Wide-range input | Yes |
Mains buffering at Iout rated, min. | 6 ms |
Mains buffering | at Vin = 400 V |
Rated line frequency | 50/ 60 Hz |
Rated line range | 47... 63 Hz |
Input current / at nominal level of the input voltage 400 V | 1.7 A |
Input current / at nominal level of the input voltage 500 V | 1.5 A |
Switch-on current limiting (+25 °C), max. | 60 A |
Inrush current A²s | 3.4 A²·s |
Built-in incoming fuse | none |
Protection in the mains power input (IEC 898) | Required: 3-pole connected miniature circuit breaker 10 ... 16 A characteristic C or circuit breaker 3RV2011-1DA10 (setting 3 A) or 3RV2711-1DD10 (UL 489) |
Output | |
Output | controlled, isolated DC voltage |
Rated voltage | 24 V |
Total tolerance, static ± | 3 % |
Static mains compensation, approx. | 1 % |
Static load balancing, approx. | 2 % |
Residual ripple peak-peak, max. | 150 mV |
Spikes peak-peak, max. (bandwidth: 20 MHz) | 240 mV |
Adjustment range | 24… 28 V |
Product feature / output voltage adjustable | Yes |
Output voltage setting | via potentiometer |
| max. 960 W |
Status display | Green LED for 24 V OK |
Signaling | Relay contact (NO contact, rating 60 V DC/ 0.3 A) for "24 V OK" |
On/off behavior | No overshoot of Vout (soft start) |
Startup delay, max. | 1.5 s |
Voltage rise, typ. | 15 ms |
Voltage increase time / of the output voltage / maximum | 500 ms |
Rated current value Iout rated | 40 A |
Current range | 0… 40 A |
| 30 A up to + 70 °C, 48 A up to +45 °C |
delivered active power / typ. | 960 W |
short-term overload current / at short-circuit during run-up / typical | 65 A |
Duration of overloading ability for excess current / on short-circuiting during the start-up | 120 ms |
short-term overload current / at short-circuit during operation / typical | 65 A |
Duration of overloading ability for excess current / on short-circuiting during the operational phase | 120 ms |
Parallel switching for enhanced performance | Yes |
Numbers of parallel switchable units for enhanced performance | 2 |
Efficiency | |
Efficiency at Vout rated, Iout rated, approx. | 91.5 % |
Power loss at Vout rated, Iout rated, approx. | 89 W |
Closed-loop control | |
Dynamic mains compensation (Vin rated ±15 %), max. | 3 % |
Dynamic load smoothing (Iout: 50/100/50 %), Uout ± typ. | 1.5 % |
Load step setting time 50 to 100%, typ. | 1 ms |
Load step setting time 100 to 50%, typ. | 1 ms |
Setting time / maximum | 10 ms |
Protection and monitoring | |
Output overvoltage protection | Yes, according to EN 60950 |
Current limitation, typ. | 50 A |
Characteristic feature of the output / short-circuit protected | Yes |
Short-circuit protection | Electronic shutdown, automatic restart |
Enduring short circuit current / Effective level / maximum | 14 A |
Enduring short circuit current / Effective level / typical | |
| overload capability 150 % Iout rated up to 5 s/min |
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 |
CE mark | Yes |
UL/CSA approval | Yes |
UL/cUL (CSA) approval | cULus-Listed (UL 508, CSA C22.2 No. 107.1), File E197259; cCSAus (CSA C22.2 No. 60950-1, UL 60950-1) |
Explosion protection | ATEX (EX) II 3G Ex nA nC IIC T3 |
CB approval | Yes |
Marine approval | GL |
Degree of protection (EN 60529) | IP20 |
EMC | |
Emitted interference | EN 55022 Class B |
Supply harmonics limitation | EN 61000-3-2
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