| SITOP PSU300S 40 A stabilized power supply input: 400-500 V 3AC output: 24 V DC/40 A |
| Input |
| Input |
3-phase AC |
| Rated voltage value Vin rated |
400 ... 500 V |
| Voltage range AC |
340 ... 550 V |
| Wide-range input |
Yes |
| Mains buffering at Iout rated, min. |
6 ms; at Vin = 400 V |
| Rated line frequency 1 |
50 Hz |
| Rated line frequency 2 |
60 Hz |
| Rated line range |
47 ... 63 Hz |
| Input current |
|
| ● at rated input voltage 400 V |
2 A |
| ● at rated input voltage 500 V |
1.7 A |
| Switch-on current limiting (+25 °C), max. |
60 A |
| I²t, max. |
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 Vout DC |
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 function 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 |
| ● Note |
48 A up to +45°C; +60 ... +70 °C: Derating 2.5%/K |
| Supplied active power typical |
960 W |
| Short-term overload current |
|
| ● on short-circuiting during the start-up typical |
65 A |
| ● at short-circuit during operation typical |
65 A |
| Duration of overloading capability for excess current |
|
| ● on short-circuiting during the start-up |
120 ms |
| ● at short-circuit during operation |
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 |
| Dynamic load smoothing (Iout: 10/90/10 %), Uout ± typ. |
3 % |
| Load step setting time 10 to 90%, typ. |
1 ms |
| Load step setting time 90 to 10%, typ. |
1 ms |
| Setting time maximum |
10 ms |
| Protection and monitoring |
| Output overvoltage protection |
protection against overvoltage in case of internal fault Vout < 35 V |
| Current limitation, typ. |
50 A |
| Property of the output Short-circuit proof |
Yes |
| Short-circuit protection |
Electronic shutdown, automatic restart |
| Enduring short circuit current RMS value |
|
| ● maximum |
14 A |
| Overcurrent overload capability in normal operation |
overload capability 150 % Iout rated up to 5 s/min |
| Safety |
| Primary/secondary isolation |
Yes |
| Galvanic isolation |
Safety extra-low output voltage Uout acc. to EN 60950-1 and EN 50178 |
| Protection class |
Class I |
| CE mark |
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 |
IECEx Ex nA nC IIC T3 Gc; ATEX (EX) II 3G Ex nA nC IIC T3 Gc; cCSAus (CSA C22.2 No. 213, ANSI/ISA-12.12.01) Class I, Div. 2, Group ABCD, T3 |
| FM approval |
- |
| CB approval |
Yes |
| Marine approval |
GL, ABS |
| Degree of protection (EN 60529) |
IP20 |
| EMC |
| Emitted interference |
EN 55022 Class B |
| Supply harmonics limitation |
EN 61000-3-2 |
| Noise immunity |
EN 61000-6-2 |
| Operating data |
| Ambient temperature |
|
| ● during operation |
0 ... 70 °C |
| — Note |
with natural convection |
| ● during transport |
-40 ... +85 °C |
| ● during storage |
-40 ... +85 °C |
| Humidity class according to EN 60721 |
Climate class 3K3, no condensation |
| Mechanics |
| Connection technology |
screw-type terminals |
| Connections |
|
| ● Supply input |
L1, L2, L3, PE: 1 screw terminal each for 0.2 ... 4 mm² single-core/finely stranded |
| ● Output |
+, -: 2 screw terminals each for 0.5 ... 10 mm² |
| ● Auxiliary |
13, 14 (alarm signal): 1 screw terminal each for 0.14 ... 1.5 mm² |
| Width of the enclosure |
150 mm |
| Height of the enclosure |
145 mm |
| Depth of the enclosure |
150 mm |
| Required spacing |
|
| ● top |
40 mm |
| ● bottom |
40 mm |
| ● left |
0 mm |
| ● right |
0 mm |
| Weight, approx. |
3.7 kg |
| Product feature of the enclosure housing for side-by-side mounting |
Yes |
| Installation |
Snaps onto DIN rail EN 60715 35x15 |
| Electrical accessories |
Buffer module |
| Mechanical accessories |
Device identification label 20 mm × 7 mm, pale turquoise 3RT1900-1SB20 |
| MTBF at 40 °C |
718 292 h |
| Other information |
Specifications at rated input voltage and ambient temperature +25 °C (unless otherwise specified) |
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