| SITOP POWER 24 V/20 A |
| SITOP power 20 A, Stabilized power supply input: AC 500-620 V AREA: AC 420-682 V output: 24 V DC/20 A |
| Input |
| Input | 2-phase AC |
| Rated voltage value Vin rated | 500 ... 600 V |
| Voltage range AC | 420 ... 682 V |
| Wide-range input | Yes |
| Mains buffering at Iout rated, min. | 6 ms; at Vin = 420 V, 30 ms at Vin = 600 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 420 V | 1.82 A |
| Switch-on current limiting (+25 °C), max. | 25 A |
| I²t, max. | 1 A²·s |
| Built-in incoming fuse | none |
| Protection in the mains power input (IEC 898) | Required: 2-pole connected miniature circuit breaker characteristic C max. 10 A or circuit-breaker 3RV1021-1DA10 (setting 3 A) or 3RV1721-1DD10 (UL 489) |
| Output |
| Output | Controlled, isolated DC voltage |
| Rated voltage Vout DC | 24 V |
| Total tolerance, static ± | 3 % |
| Residual ripple peak-peak, max. | 150 mV |
| Spikes peak-peak, max. (bandwidth: 20 MHz) | 240 mV |
| Adjustment range | 22.8 ... 28.8 V |
| Product function Output voltage adjustable | Yes |
| Output voltage setting | via potentiometer; only permissible at ambient temperatur 0 °C to +50 °C |
| Status display | Green LED for 24 V OK |
| On/off behavior | Slight overshoot of Vout (< 2 V for max. 500 ms) |
| Rated current value Iout rated | 20 A |
| Current range | 0 ... 20 A |
| Supplied active power typical | 480 W |
| Constant overload current | |
| on short-circuiting during the start-up typical | 25 A |
| at short-circuit during operation typical | 28 A |
| Parallel switching for enhanced performance | Yes; only permissable at ambient temperature 0 °C to 50 °C |
| Numbers of parallel switchable units for enhanced performance | 2 |
| Efficiency |
| Efficiency at Vout rated, Iout rated, approx. | 89 % |
| Power loss at Vout rated, Iout rated, approx. | 60 W |
| Closed-loop control |
| Dynamic mains compensation (Vin rated ±15 %), max. | 1 % |
| Dynamic load smoothing (Iout: 50/100/50 %), Uout ± typ. | 4 % |
| Setting time maximum | 3 ms |
| Protection and monitoring |
| Output overvoltage protection | Yes, according to EN 60950 |
| Current limitation | 21 ... 26 A |
| Property of the output Short-circuit proof | Yes |
| Short-circuit protection | Constant current approx. 28 A |
| Enduring short circuit current RMS value | |
| typical | 28 A |
| Overload/short-circuit indicator | - |
| Safety |
| Primary/secondary isolation | Yes |
| Galvanic isolation | Safety extra low output voltage Vout according to EN 60950-1 |
| Protection class | Class I |
| Leakage current | |
| maximum | 3.5 mA |
| typical | 0.78 mA |
| CE mark | Yes |
| UL/cUL (CSA) approval | UL-Listed (UL 508), File E143289, CSA (CSA 22.2 No. 14-95) |
| Explosion protection | - |
| FM approval | - |
| CB approval | No |
| Marine approval | - |
| Degree of protection (EN 60529) | IP20 |
| EMC |
| Emitted interference | EN 55011 Class A |
| Supply harmonics limitation | - |
| Noise immunity | EN 61000-6-2 |
| Operating data |
| Ambient temperature | |
| during operation | 0 ... 60 °C |
| — Note | with natural convection |
| during transport | -25 ... +85 °C |
| during storage | -25 ... +85 °C |
| Humidity class according to EN 60721 | Climate class 3K3, no condensation |
| Mechanics |
| Connection technology | screw-type terminals |
| Connections | |
| Supply input | L1, L2, PE: 1 screw terminal each for 0.5 ... 2.5 mm² single-core/finely stranded |
| Output | L+: 1 screw terminal for 0.33 ... 10 mm²; M: 2 screw terminals for 0.33 ... 10 mm² |
| Auxiliary | - |
| Width of the enclosure | 280 mm |
| Height of the enclosure | 180 mm |
| Depth of the enclosure | 92 mm |
| Required spacing | |
| top | 50 mm |
| bottom | 50 mm |
| left | 40 mm |
| right | 0 mm |
| Weight, approx. | 3.3 kg |
| Product feature of the enclosure housing for side-by-side mounting | No |
| Installation | Snaps onto DIN rail EN 60715 35x15 |
| Mechanical accessories | Mounting bracket 90° (6EP1971-2BA00) |
| Other information | Specifications at rated input voltage and ambient temperature +25 °C (unless otherwise specified) |
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