| SITOP SMART 24 V/2.5 A |
| SITOP smart 60 W Stabilized power supply input: 120/230 V AC, output: DC 24 V/2,5 A |
| Input |
| Input | 1-phase AC |
| Note | Set by means of selector switch on the device |
| Supply voltage | |
| 1 at AC Rated value | 120 V |
| 2 at AC Rated value | 230 V |
| Input voltage | |
| 1 at AC | 85 ... 132 V |
| 2 at AC | 170 ... 264 V |
| Wide-range input | No |
| Overvoltage resistance | 2.3 × Vin rated, 1.3 ms |
| Mains buffering at Iout rated, min. | 20 ms; at Vin = 93/187 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 120 V | 1.1 A |
| at rated input voltage 230 V | 0.65 A |
| Switch-on current limiting (+25 °C), max. | 27 A |
| Duration of inrush current limiting at 25 °C | |
| typical | 3 ms |
| I²t, max. | 0.3 A²·s |
| Built-in incoming fuse | T 2 A/250 V (not accessible) |
| Protection in the mains power input (IEC 898) | Recommended miniature circuit breaker: from 3 A characteristic C |
| Output |
| Output | Controlled, isolated DC voltage |
| Rated voltage Vout DC | 24 V |
| Total tolerance, static ± | 3 % |
| Static mains compensation, approx. | 0.1 % |
| Static load balancing, approx. | 0.5 % |
| Residual ripple peak-peak, max. | 150 mV |
| Residual ripple peak-peak, typ. | 10 mV |
| Spikes peak-peak, max. (bandwidth: 20 MHz) | 240 mV |
| Spikes peak-peak, typ. (bandwidth: 20 MHz) | 50 mV |
| Adjustment range | 22.8 ... 28 V |
| Product function Output voltage adjustable | Yes |
| Output voltage setting | via potentiometer |
| Status display | Green LED for 24 V OK |
| On/off behavior | Overshoot of Vout approx. 4 % |
| Startup delay, max. | 0.1 s |
| Voltage rise, typ. | 50 ms |
| Rated current value Iout rated | 2.5 A |
| Current range | 0 ... 3 A |
| Note | 3 A up to +45 °C |
| Supplied active power typical | 60 W |
| Short-term overload current | |
| on short-circuiting during the start-up typical | 7 A |
| at short-circuit during operation typical | 7 A |
| Duration of overloading capability for excess current | |
| on short-circuiting during the start-up | 100 ms |
| at short-circuit during operation | 200 ms |
| Parallel switching for enhanced performance | Yes |
| Numbers of parallel switchable units for enhanced performance | 2 |
| Efficiency |
| Efficiency at Vout rated, Iout rated, approx. | 85 % |
| Power loss at Vout rated, Iout rated, approx. | 9 W |
| Closed-loop control |
| Dynamic mains compensation (Vin rated ±15 %), max. | 0.3 % |
| Dynamic load smoothing (Iout: 50/100/50 %), Uout ± typ. | 1 % |
| Load step setting time 50 to 100%, typ. | 0.2 ms |
| Load step setting time 100 to 50%, typ. | 0.2 ms |
| Protection and monitoring |
| Output overvoltage protection | < 33 V |
| Current limitation | 3.2 ... 3.4 A |
| Property of the output Short-circuit proof | Yes |
| Short-circuit protection | Constant current characteristic |
| Enduring short circuit current RMS value | |
| typical | 5 A |
| Overload/short-circuit indicator | - |
| 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 |
| Leakage current | |
| maximum | 3.5 mA |
| typical | 0.4 mA |
| 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, UL 1604) |
| Explosion protection | ATEX (EX) II 3G Ex nA II T4; UL 1604 Class I, Div. 2, Group ABCD |
| FM approval | - |
| CB approval | Yes |
| Marine approval | ABS, GL |
| 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 |
| Ambient temperature | |
| during operation | 0 ... 60 °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, PE: 1 screw terminal each for 0.5 ... 2.5 mm² single-core/finely stranded |
| Output | L+, M: 2 screw terminals each for 0.5 ... 2.5 mm² |
| Auxiliary | - |
| Width of the enclosure | 32.5 mm |
| Height of the enclosure | 125 mm |
| Depth of the enclosure | 125 mm |
| Required spacing | |
| top | 50 mm |
| bottom | 50 mm |
| left | 0 mm |
| right | 0 mm |
| Weight, approx. | 0.32 kg |
| Product feature of the enclosure housing for side-by-side mounting | Yes |
| Installation | Snaps onto DIN rail EN 60715 35x7.5/15 |
| MTBF at 40 °C | 2 154 801 h |
| Other information | Specifications at rated input voltage and ambient temperature +25 °C (unless otherwise specified) |
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