| SITOP PSU3400 24 V/10 A |
| SITOP PSU3400 24 V/10 A Stabilized power supply Input: 48 V DC (32…54 V) Output: 24 V DC/10 A |
| Input |
| Input | DC voltage |
| Note | Startup as of 36 V, derating necessary for 28 ... 36 V DC |
| Supply voltage | |
| at DC | 48 ... 48 V |
| Input voltage | |
| at DC | 28 ... 54 V |
| Wide-range input | No |
| Overvoltage resistance | - |
| Mains buffering at Iout rated, min. | 5 ms; at Vin = 48 V |
| Input current | |
| at rated input voltage 48 V | 5.4 A |
| Switch-on current limiting (+25 °C), max. | 15 A |
| I²t, max. | 0.5 A²·s |
| Built-in incoming fuse | 15 A (not accessible), breaking capacity 100 A |
| Protection in the mains power input (IEC 898) | Recommended miniature circuit breaker: 16 A characteristic B or C |
| Output |
| Output | Controlled, isolated DC voltage |
| Rated voltage Vout DC | 24 V |
| Total tolerance, static ± | 1 % |
| Static mains compensation, approx. | 0.1 % |
| Static load balancing, approx. | 0.3 % |
| Residual ripple peak-peak, max. | 150 mV |
| Residual ripple peak-peak, typ. | 50 mV |
| Spikes peak-peak, max. (bandwidth: 20 MHz) | 250 mV |
| Spikes peak-peak, typ. (bandwidth: 20 MHz) | 70 mV |
| Adjustment range | 24 ... 28 V |
| Product function Output voltage adjustable | Yes |
| Output voltage setting | via potentiometer |
| Status display | Green LED for 24 V OK |
| Signaling | Relay contact (NO contact, contact rating 30 V AC/0.5 A; 60 V DC/0.3 A; 30 V DC/1 A) for 24 V O.K. |
| On/off behavior | No overshoot of Vout (soft start) |
| Startup delay, max. | 0.5 s |
| Voltage rise, typ. | 10 ms |
| Voltage increase time of the output voltage maximum | 20 ms |
| Rated current value Iout rated | 10 A |
| Current range | 0 ... 12.5 A |
| Note | 12 A up to +40°C; +60 ... +70 °C: Derating 2%/K |
| Supplied active power typical | 256 W |
| Parallel switching for enhanced performance | Yes |
| Numbers of parallel switchable units for enhanced performance | 2 |
| Efficiency |
| Efficiency at Vout rated, Iout rated, approx. | 93.5 % |
| Power loss at Vout rated, Iout rated, approx. | 17 W |
| Power loss [W] during no-load operation maximum | 1.5 W |
| Closed-loop control |
| Dynamic mains compensation (Vin rated ±15 %), max. | 0.3 % |
| Dynamic load smoothing (Iout: 50/100/50 %), Uout ± typ. | 2 % |
| Load step setting time 50 to 100%, typ. | 1 ms |
| Load step setting time 100 to 50%, typ. | 1 ms |
| Protection and monitoring |
| Output overvoltage protection | Ua < 35 V |
| Current limitation, typ. | 13 A |
| Property of the output Short-circuit proof | Yes |
| Short-circuit protection | Electronic shutdown, automatic restart |
| Overload/short-circuit indicator | Yellow LED overload |
| Safety |
| Primary/secondary isolation | Yes |
| Galvanic isolation | Safety extra low output voltage Vout according to EN 60950-1 |
| Protection class | Class III |
| CE mark | Yes |
| UL/cUL (CSA) approval | cULus-Listed (UL 508, CSA C22.2 No. 107.1), File E197259 |
| Explosion protection | - |
| FM approval | - |
| CB approval | Yes |
| Marine approval | in process: DNV GL, ABS |
| Degree of protection (EN 60529) | IP20 |
| EMC |
| Emitted interference | EN 61000-6-3 |
| Supply harmonics limitation | not applicable |
| Noise immunity | EN 61000-6-2 |
| Operating data |
| Ambient temperature | |
| during operation | -25 ... +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 | L, N, FE: 1 screw terminal each for 0.5 ... 2.5 mm² single-core/finely stranded |
| Output | +, -: 2 screw terminals each for 0.5 ... 2.5 mm² |
| Auxiliary | Alarm signals: 2 screw terminals for 0.5 ... 2.5 mm² |
| Connections signaling contact | 2 screw terminals for 0.5 ... 2.5 mm² |
| Width of the enclosure | 42 mm |
| Height of the enclosure | 125 mm |
| Depth of the enclosure | 120 mm |
| Required spacing | |
| top | 50 mm |
| bottom | 50 mm |
| left | 0 mm |
| right | 0 mm |
| Weight, approx. | 0.6 kg |
| Product feature of the enclosure housing for side-by-side mounting | Yes |
| Installation | Snaps onto DIN rail EN 60715 35x7.5/15 |
| Electrical accessories | Buffer module |
| MTBF at 40 °C | 1 000 000 h |
| Other information | Specifications at rated input voltage and ambient temperature +25 °C (unless otherwise specified) |
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