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Wago 787-915
Features:DC UPS module for uninterruptible power supply (UPS)Potential-free contacts provide function monitoringRemote input for buffered output deactivationInput for temperature control of connected…
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Description
Features:DC UPS module for uninterruptible power supply (UPS)Potential-free contacts provide function monitoringRemote input for buffered output deactivationInput for temperature control of connected batteryBattery internal resistance measurement for diagnosing batteries, including the connection cable and fuse
Specification
Notes
| Safety Information | For North America: Use only batteries with appropriate safety approvals! |
|---|
Technical data - Input
| Nominal input voltage U<sub>i nom</sub> | 24 VDC |
|---|---|
| Input voltage range | 22 … 28 VDC |
| Nominal mains frequency range | 0 Hz |
| Input current I<sub>i</sub> | ≤ 0.16 A (no load); ≤ 4 A (charging); ≤ 44 A |
Technical data - Output
| Nominal output voltage U<sub>o nom</sub> | 24 VDC |
|---|---|
| Output voltage range | Ui (rated operation); 19.5 … 26.5 VDC (battery voltage in buffer mode) |
| Nominal output current I<sub>o nom</sub> | 40 A |
Technical data - Energy storage systems
| Buffer time | load-dependent |
|---|---|
| Switch-on threshold | DC 21.5 … 22.5 V (adjustable) |
| Memory type | Lead-acid fleece |
| Charging current | 1 … 4 A (Adjustable in 1 A steps via DIP switch, preset: 2 A) |
| End-of-charge voltage | 26.4 … 29 VDC (Temperature-controlled with NTC; without temperature sensor: 27.2 VDC) |
| Recommended battery module | Typ: VRLA 24 V; 7 … 40 Ah |
Technical data - Signaling and communication
| Signaling | 1 x Power LED (green), 1 x UPS LED (yellow), 1 x Warning LED (red), 2 x Isolated relay contact (max. 30 VDC; 1 A) |
|---|---|
| Operation status indicator | Green LED (operation), Yellow LED (buffer mode/charging), Red LED (warning) |
| Remote input | Switching buffer mode off |
Technical data - Efficiency/power losses
| Power loss P<sub>l</sub> | ≤ 4 W; ≤ 22.5 W (nominal load) |
|---|---|
| Efficiency (typ.) | 97 % (rated operation); 85 % (charging) |
Technical data - Circuit protection
| Internal fuse | T 6.3 A (charging circuit) |
|---|---|
| Backup fuse (recommended) | T 50 A |
Safety and protection
| Isolation voltage (connectors – housing) | 0.5 kVDC |
|---|---|
| Protection class | III |
| Protection type | IP20; per EN 60529 |
| Reverse voltage protection | yes |
| Pollution degree | 2 |
| Parallel operation | No |
| Series operation | No |
| MTBF | 600,000 h (40 °C; per SN 29500) |
Connection data - Connection 1
| Connection type | Input/output |
|---|---|
| Connection technology | Push-in CAGE CLAMP® |
| WAGO connector | WAGO 2636 Series |
| Solid conductor | 0.75 … 16 mm² / 18 … 4 AWG |
| Fine-stranded conductor | 0.75 … 25 mm² / 18 … 4 AWG |
| Fine-stranded conductor; with insulated ferrule | 0.75 … 16 mm² |
| Fine-stranded conductor; with uninsulated ferrule | 0.75 … 16 mm² |
| Strip length | 18 … 20 mm / 0.71 … 0.79 inches |
Connection data - Connection 2
| Connection type | Signaling |
|---|---|
| Connection technology | CAGE CLAMP® |
| WAGO connector | WAGO 741 Series |
| Solid conductor | 0.08 … 2.5 mm² / 28 … 12 AWG |
| Fine-stranded conductor | 0.08 … 2.5 mm² / 28 … 12 AWG |
| Fine-stranded conductor; with insulated ferrule | 0.25 … 1.5 mm² |
| Fine-stranded conductor; with uninsulated ferrule | 0.25 … 1.5 mm² |
| Strip length | 5 … 6 mm / 0.2 … 0.24 inches |
Physical data
| Width | 68 mm / 2.677 inches |
|---|---|
| Height | 181 mm / 7.126 inches |
| Depth from upper-edge of DIN-rail | 162 mm / 6.38 inches |
Mechanical data
| Mounting type | DIN-35 rail |
|---|
Material data
| Weight | 1100 g |
|---|
Environmental requirements
| Ambient temperature (operation) | 0 … +50 °C |
|---|---|
| Ambient temperature (storage) | -20 … +55 °C |
| Relative humidity | 5 … 95 % (no condensation permissible) |
Standards and specifications
| Conformity marking | CE |
|---|---|
| Standards/specifications | EN 62368-1, EN 61000-6-2, EN 61000-6-3 |
| Standards/specifications (pending) | CSA |
Commercial data
| PU (SPU) | 1 pcs |
|---|---|
| Packaging type | box |
| Country of origin | DE |
| GTIN | 4066966454925 |
| Customs tariff number | 85044083900 |
Product Classification
| UNSPSC | 39121006 |
|---|---|
| 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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