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Wago 787-875
Features:Charger and controller for uninterruptible power supply (UPS)Current and voltage monitoring, as well as parameter setting via LCD and RS-232 interfaceActive signal outputs for function monito…
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Description
Features:Charger and controller for uninterruptible power supply (UPS)Current and voltage monitoring, as well as parameter setting via LCD and RS-232 interfaceActive signal outputs for function monitoringRemote input for buffered output deactivationInput for temperature control of connected batteryBattery control (from manufacturing no. 215563) detects both battery life and battery type
Specification
Technical data - Input
| Nominal input voltage U<sub>i nom</sub> | 24 VDC, DC 24 V |
|---|---|
| Input voltage range | 22 … 29 VDC |
| Nominal mains frequency range | 0 Hz |
| Input current I<sub>i</sub> | ≤ 0.1 A (no load); ≤ 1.5 A (charging); ≤ 21.5 A |
| Inrush current | ≤ 4 A (no load) |
Technical data - Output
| Nominal output voltage U<sub>o nom</sub> | 24 VDC |
|---|---|
| Output voltage range | Ui – 1 VDC (rated operation); 20 … 25.5 VDC (buffer mode) |
| Nominal output current I<sub>o nom</sub> | 20 A |
| Current limitation | 1.1 … 1.3 x Io nom (typ.) |
Technical data - Energy storage systems
| Buffer time | 10 s … 10 min or constant; adjustable |
|---|---|
| Switch-on threshold | DC 20 … 25.5 V (adjustable) |
| Memory type | Lead-acid fleece |
| Charging current | ≤ 1 A |
| End-of-charge voltage | 26 … 29.5 VDC (temperature-controlled; optional fixed setting) |
| Recommended battery module | 787-871, 787-872, 787-873 |
Technical data - Signaling and communication
| Signaling | 1 x DC OK LED (green), 1 x Warning LED (yellow), 1 x Error LED (red), LCD, 3 x Signal output (24 VDC; max. 25 mA), 1 x Isolated relay contact (max. 30 VDC; 1 A), 1 x RS-232 interface, Battery control (C+; C-) |
|---|---|
| Operation status indicator | Green LED (Uo), Yellow LED (warning), Red LED (error) |
| Communications | RS-232 serial interface |
| Remote input | Switching buffer mode off |
Technical data - Efficiency/power losses
| Power loss P<sub>l</sub> | ≤ 15 W; ≤ 30 W (nominal load) |
|---|---|
| Efficiency (typ.) | 95 % |
Technical data - Circuit protection
| Internal fuse | T 25 A |
|---|
Safety and protection
| Isolation voltage (connectors – housing) | 0.5 kVDC |
|---|---|
| Protection class | III |
| Protection type | IP20; per EN 60529 |
| Reverse voltage protection | yes |
| Resistance to reverse feed | ≤ 35 VDC |
| Pollution degree | 2 |
| Parallel operation | Yes, max. 3 battery modules for buffer time extension (temperature measurement evaluation is only possible via one battery module) |
| Series operation | No |
| MTBF | > 500,000 h (per IEC 61709) |
Connection data
| Cable length (max.) | 3 m (input, output, battery control) |
|---|
Connection data - Connection 1
| Connection type | Input/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 2
| 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 | 57 mm / 2.244 inches |
|---|---|
| Height | 171 mm / 6.732 inches |
| Depth from upper-edge of DIN-rail | 163 mm / 6.417 inches |
| Note (dimensions) | Height with connector |
Mechanical data
| Mounting type | DIN-35 rail |
|---|
Material data
| Fire load | 0.498 MJ |
|---|---|
| Weight | 1200 g |
Environmental requirements
| Ambient temperature (operation) | -10 … +60 °C |
|---|---|
| Ambient temperature (storage) | -25 … +85 °C |
| Relative humidity | 5 … 96 % (no condensation permissible) |
Standards and specifications
| Conformity marking | CE |
|---|---|
| Standards/specifications | EN 60950, UL 60950, UL 508, EN 61000-6-2, EN 61000-6-3 |
Commercial data
| Product Group | 6 (INTERFACE ELECTRONIC) |
|---|---|
| PU (SPU) | 1 pcs |
| Packaging type | box |
| Country of origin | DE |
| GTIN | 4045454993917 |
| Customs tariff number | 85044060900 |
Product Classification
| UNSPSC | 39121006 |
|---|---|
| eCl@ss 10.0 | 27-04-06-90 |
| eCl@ss 9.0 | 27-04-06-90 |
| ETIM 9.0 | EC000382 |
| ETIM 10.0 | EC000382 |
| ECCN | NO US CLASSIFICATION |
Environmental Product Compliance
| RoHS Compliance Status | Compliant,No Exemption |
|---|
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