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Wago 787-914
Features:Power supply for small loads that operate at a variable input voltageThe output voltage can be adjusted linearly by hand or via an analog voltage signal (0 … 10 V) in the range from 12 to 22 …
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Description
Features:Power supply for small loads that operate at a variable input voltageThe output voltage can be adjusted linearly by hand or via an analog voltage signal (0 … 10 V) in the range from 12 to 22 V, e.g., for automatically controlling fan speed in control cabinets.Flat design allows installation in confined spaces.Variable mounting options for space-saving installation, e.g., in recesses
Specification
Technical data - Input
| Nominal input voltage U<sub>i nom</sub> | 100 … 240 VAC |
|---|---|
| Input voltage range | 90 … 264 VAC; 130 … 373 VDC |
| Nominal mains frequency range | 47 … 63 Hz; 0 Hz |
| Input current I<sub>i</sub> | ≤ 0.6 A |
| Discharge current | ≤ 1 mA |
| Inrush current | ≤ 18 A |
| Power factor | ≥ 0.45 |
| Power factor correction (PFC) | Not required |
| Mains failure hold-up time | ≥ 15 ms |
Technical data - Output
| Nominal output voltage U<sub>o nom</sub> | 22 VDC |
|---|---|
| Output voltage range | 12 … 22 VDC (adjustable by hand or via signal input) |
| Default setting | DC 22 V |
| Nominal output current I<sub>o nom</sub> | 0.8 A (< 110 VAC); 1 A (110 … 240 VAC) |
| Deviation | ≤ 1 % |
| Deviation, dynamic load change 10 … 90 % | ≤ 1 % |
| Residual ripple | ≤ 100 mV (peak-to-peak) |
| Overload behavior | Constant power (in overload range: 1.05 … 1.7 x Io nom); Hiccup in the event of a short circuit or permanent overload |
Technical data - Signaling and communication
| Signaling | 1 x Status indication LED (green), 1 x Signal input (10 VDC) |
|---|---|
| Operation status indicator | Green LED (Uo) |
| Input signal (voltage) | 0 … 10 V |
| Input impedance | 10 kΩ |
Technical data - Efficiency/power losses
| Power loss P<sub>l</sub> | ≤ 0.8 W |
|---|---|
| Power loss (max.) P<sub>l (max.)</sub> | 4 W |
| Efficiency (typ.) | 84 % (230 VAC); 80 % (110 VAC) |
Technical data - Circuit protection
| Internal fuse | 1 A / 250 VAC |
|---|---|
| Backup fuse (recommended) | Circuit breaker: B6, C4 or higher |
Safety and protection
| Isolation voltage (pri.-sec.) | DC 4.242 kV |
|---|---|
| Protection class | II |
| Protection type | IP20; per EN 60529 |
| Reverse voltage protection | Yes (signal input) |
| Resistance to reverse feed | ≤ 31 VDC |
| Pollution degree | 2 |
| Transient suppression (primary) | Varistor |
| Overvoltage protection; secondary | Yes (signal input), ≤ 31 VDC (output; in the event of a fault) |
| Short-circuit-protected | Yes |
| Open-circuit-proof | Yes |
| Parallel operation | Yes |
| Series operation | Yes |
| MTBF | > 500,000 h (at 25 °C per IEC 61709) |
Connection data - Connection 1
| Connection technology | CAGE CLAMP® |
|---|---|
| WAGO connector | WAGO 236 Series |
| Solid conductor | 0.08 … 2.5 mm² / 28 … 12 AWG |
| Fine-stranded conductor | 0.08 … 2.5 mm² / 28 … 12 AWG |
| Strip length | 5 … 6 mm / 0.2 … 0.24 inches |
Physical data
| Width | 45 mm / 1.77 inches |
|---|---|
| Height | 138 mm / 5.433 inches |
| Depth | 35 mm / 1.38 inches |
| Note (dimensions) | Height: 156 mm (with fastening clips) |
Mechanical data
| Mounting type | DIN-35 rail, Screw mount |
|---|
Material data
| Fire load | 0.093 MJ |
|---|---|
| Weight | 160 g |
Environmental requirements
| Ambient temperature (operation) | -20 … +60 °C |
|---|---|
| Ambient temperature (storage) | -25 … +75 °C |
| Relative humidity | 20 … 90 % (no condensation permissible) |
| Derating | −2.47 %/K (> 45 °C) |
| Climatic category | 3K3 (per EN 60721; except for low air pressure) |
Standards and specifications
| Conformity marking | CE |
|---|---|
| Standards/specifications | UL 60950, EN 61204-3, EN 62368-1, EN 61000-6-3 |
Commercial data
| PU (SPU) | 1 pcs |
|---|---|
| Packaging type | Box |
| Country of origin | CN |
| GTIN | 4055143576239 |
| Customs tariff number | 85044083900 |
Product Classification
| UNSPSC | 39121004 |
|---|---|
| eCl@ss 10.0 | 27-04-07-01 |
| eCl@ss 9.0 | 27-04-07-01 |
| ETIM 9.0 | EC002540 |
| ETIM 10.0 | EC002540 |
| ECCN | NO US CLASSIFICATION |
Environmental Product Compliance
| RoHS Compliance Status | Compliant,No Exemption |
|---|---|
| SCIP notification number (Bulgaria) | b40fb75b-54ae-491b-abc5-2faec600fd9a |
| SCIP notification number (Czech Republic) | 7cf49fdf-4a9c-496f-a3a0-70f630107f63 |
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