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Wago 787-847
Features:Switched-mode power supply with PowerBoost and TopBoostSwitch off the output and minimize power consumption via stand-by inputOutput monitoring via DC OK contactSuitable for both parallel and…
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Description
Features:Switched-mode power supply with PowerBoost and TopBoostSwitch off the output and minimize power consumption via stand-by inputOutput monitoring via DC OK contactSuitable for both parallel and series operationNatural convection cooling when horizontally mountedEncapsulated for use in control cabinetsElectrically isolated output voltage (SELV) per ULÂ 60950-1; PELV per ENÂ 60204
Specification
Technical data - Input
| Phases | 2 / 3 |
|---|---|
| Nominal input voltage U<sub>i nom</sub> | (2 / 3) x 400 … 500 VAC |
| Input voltage range | (2 / 3) x 340 … 550 VAC; 480 … 780 VDC |
| Nominal mains frequency range | 50 … 60 Hz; 0 Hz |
| Input current I<sub>i</sub> | ≤ 3 x 2 A (340 VAC; 20 ADC) |
| Inrush current | ≤ 30 A (peak) |
| Power factor correction (PFC) | Passive |
| Mains failure hold-up time | ≥ 15 ms (3 x 400 VAC) |
Technical data - Output
| Nominal output voltage U<sub>o nom</sub> | 48 VDC (SELV) |
|---|---|
| Output voltage range | 39 … 53 VDC (adjustable) |
| Default setting | DC 48 V |
| Nominal output current I<sub>o nom</sub> | 20 A (48 VDC) |
| Nominal output power | 960 W |
| Deviation | ≤ 1 % |
| Residual ripple | ≤ 70 mV (peak-to-peak) |
| Current limitation | 1.1 x Io nom (typ.) |
| Overload behavior | TopBoost/PowerBoost/Constant current mode |
| PowerBoost | DC 30 A (4 s); DC 25 A (16 s) |
| TopBoost | 80 ADC (25 ms) |
Technical data - Signaling and communication
| Signaling | 1 x DC OK LED (green), 1 x Error LED (red), 1 x Stand-by input, 1 x DC OK relay contact (changeover contact) |
|---|---|
| Operation status indicator | Green LED (DC OK), Red LED (error) |
Technical data - Efficiency/power losses
| Power loss P<sub>l</sub> | ≤ 0.8 W (standby); ≤ 5.2 W (no load); ≤ 59.2 W (nominal load) |
|---|---|
| Efficiency (typ.) | 94.4 % |
Technical data - Circuit protection
| Internal fuse | 3 x T 3.2 A / 440 VAC |
|---|---|
| Pre-fuse (required) | An external DC fuse is required for the DC input voltage. |
| Backup fuse (recommended) | 3 x Circuit breaker: 6 A, 10 A, 16 A; Tripping characteristic: B or C, Alternative: motor circuit breaker; Setpoint: 3.2 A; Setting range: 2.5 … 4 A |
Safety and protection
| Isolation voltage (sec.-PE) | 0.7 kVDC |
|---|---|
| Protection class | I |
| Protection type | IP20; per EN 60529 |
| Resistance to reverse feed | ≤ 63 VDC |
| Overvoltage category | II |
| Pollution degree | 2 |
| Transient suppression (primary) | Varistor |
| Short-circuit-protected | Yes |
| Open-circuit-proof | Yes |
| Parallel operation | Yes |
| Series operation | Yes |
| MTBF | > 500,000 h (per IEC 61709) |
Connection data - Connection 1
| Connection type | Input |
|---|---|
| Connection technology | CAGE CLAMP® |
| WAGO connector | WAGO 231 Series |
| Solid conductor | 0.08 … 2.5 mm² / 28 … 12 AWG |
| Fine-stranded conductor | 0.08 … 2.5 mm² / 28 … 12 AWG |
| Strip length | 8 … 9 mm / 0.31 … 0.35 inches |
Connection data - Connection 2
| Connection type | Output |
|---|---|
| Connection technology | Push-in CAGE CLAMP® |
| WAGO connector | WAGO 831 Series |
| Solid conductor | 0.5 … 10 mm² / 20 … 8 AWG |
| Fine-stranded conductor | 0.5 … 10 mm² / 20 … 8 AWG |
| Strip length | 13 … 15 mm / 0.51 … 0.59 inches |
Connection data - Connection 3
| Connection type | Signaling |
|---|---|
| Connection technology | CAGE CLAMP® |
| WAGO connector | WAGO 733 Series |
| Solid conductor | 0.08 … 0.5 mm² / 28 … 20 AWG |
| Fine-stranded conductor | 0.08 … 0.5 mm² / 28 … 20 AWG |
| Strip length | 5 … 6 mm / 0.2 … 0.24 inches |
Physical data
| Width | 128 mm / 5.039 inches |
|---|---|
| Height | 171 mm / 6.732 inches |
| Depth from upper-edge of DIN-rail | 205 mm / 8.071 inches |
| Note (dimensions) | Height with connector |
Mechanical data
| Mounting type | DIN-35 rail |
|---|
Material data
| Weight | 3266 g |
|---|
Environmental requirements
| Ambient temperature (operation) | -25 … +70 °C (Device starts at -40 °C (type-tested)) |
|---|---|
| Ambient temperature (storage) | -25 … +85 °C |
| Relative humidity | 5 … 96 % (no condensation permissible) |
| Derating | −5 %/K (> 45 °C) |
| Climatic category | 3K3 (per EN 60721) |
Standards and specifications
| Conformity marking | CE |
|---|---|
| Standards/specifications | EN 61010-1, EN 61010-2-201, EN 61204-3, EN 61558-2-16, UL 60950, UL 508 |
Commercial data
| Product Group | 6 (INTERFACE ELECTRONIC) |
|---|---|
| PU (SPU) | 1 pcs |
| Packaging type | box |
| Country of origin | DE |
| GTIN | 4050821226444 |
| 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 |
|---|
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