| SITOP PSE202U NEC CLASS 2 |
| SITOP PSE202U NEC Class 2 Redundancy module Input/output: 24 V DC suitable for decoupling two SITOP power supplies Output power restricted to 100 VA |
| Input |
| Input | DC voltage |
| Supply voltage | |
| at DC | 24 ... 24 V |
| Input voltage | |
| at DC | 19 ... 29 V |
| Output |
| Output | Controlled, isolated DC voltage |
| Rated voltage Vout DC | 24 V |
| Output voltage | Vin - approx. 0.5 V |
| Product function Output voltage adjustable | No |
| Status display | Green LED for "both input voltages > switching threshold"; red LED for "at least one input voltage < switching threshold" or "output switched off" |
| Signaling | Isolated relay contact (contact rating 6 A/42 V AC, 30 V DC, but max. 100 VA): Contact closed if one or both input voltages < switching threshold or output is switched off. Setting range of switching threshold 20 V ±0.5 V to 25 V ±0.5 V |
| Rated current value Iout rated | 3.8 A |
| Current range | 4.6 A |
| Note | Maximum aggregate current in the event of an error according to NEC class 2 limit 8 A |
| Efficiency |
| Efficiency at Vout rated, Iout rated, approx. | 94.8 % |
| Power loss at Vout rated, Iout rated, approx. | 5 W |
| Power loss [W] during no-load operation maximum | 2 W |
| Safety |
| Galvanic isolation | yes, SELV acc. to EN 60950-1 (relay contact) |
| Protection class | Class III |
| CE mark | Yes |
| UL/cUL (CSA) approval | cULus-Listed (UL 508, CSA C22.2 No. 107.1), File E197259; UL-Recognized (UL 60950-1, NEC class 2), File E151273 |
| Explosion protection | - |
| FM approval | - |
| CB approval | No |
| Marine approval | - |
| Degree of protection (EN 60529) | IP20 |
| EMC |
| Emitted interference | EN 55022 Class B |
| Noise immunity | EN 61000-6-2 |
| Operating data |
| Ambient temperature | |
| during operation | -20 ... +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 | Input, output and ground: removable screw terminal, each 1 x 0.5 ... 2.5 mm² single-core/finely stranded |
| Auxiliary | Relay contact: 2 screw terminals for 0.5 ... 2.5 mm² single-core/finely stranded |
| Width of the enclosure | 30 mm |
| Height of the enclosure | 80 mm |
| Depth of the enclosure | 100 mm |
| Required spacing | |
| top | 50 mm |
| bottom | 50 mm |
| left | 0 mm |
| right | 0 mm |
| Weight, approx. | 0.125 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 | Removable spring-type terminal 6EP1971-5BA00 |
| MTBF at 40 °C | 678 210 h |
| Other information | Specifications at rated input voltage and ambient temperature +25 °C (unless otherwise specified) |
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