Product Model
787-881

Key Features
- 1Reliable Power Supply: Bridges short duration voltage drops and load fluctuations for an uninterrupted power supply.
- 2Efficient Design: Features a buffer time of 0.17 to 16.5 seconds, depending on load current and switch-on threshold.
- 3High Current Capacity: Supports up to 20 A output current, making it suitable for demanding applications.
- 4Durable Construction: Built with CAGE CLAMP® technology and designed for DIN-35 rail mounting, ensuring secure and reliable operation.
- 5Comprehensive Signaling: Includes LED indicators for DC OK, charge status, and fault conditions, along with an isolated relay contact for added functionality.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Protection class | III | Protection type | IP20; per EN 60529 |
| Reverse voltage protection | yes | Pollution degree | 2 |
| Parallel operation | Yes | Series operation | No |
| MTBF | typ. 87,600 h (at 25 °C); typ. 30,500 h (at 40 °C) | Connection type 1 | Input/Output |
| Connection technology | CAGE CLAMP? | WAGO connector | WAGO 231 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 type 2 | Relay |
| Connection technology 2 | CAGE CLAMP? | WAGO connector 2 | WAGO 231 Series |
| Solid conductor 2 | 0.08 … 2.5?mm2?/ 28 … 12?AWG | Fine-stranded conductor 2 | 0.08 … 2.5?mm2?/ 28 … 12?AWG |
| Strip length 2 | 8 … 9?mm?/ 0.31 … 0.35?inches | Width | 57?mm?/ 2.244?inches |
| Height | 181?mm?/ 7.126?inches | Depth from upper-edge of DIN-rail | 179?mm?/ 7.047?inches |
| Note (dimensions) | Height with connector | Mounting type | DIN-35 rail |
| Fire load | 0.432MJ | Weight | 1000g |
| Ambient temperature (operation) | -10 … +50 °C | Ambient temperature (storage) | -10 … +60 °C |
| Relative humidity | 5 … 96?% (no condensation permissible) | Conformity marking | CE |
| Standards/specifications | EN 60950 | Product Group | 6 (INTERFACE ELECTRONIC) |
| eCl@ss 10.0 | 27-04-07-01 | eCl@ss 9.0 | 27-04-07-01 |
| ETIM 9.0 | EC002540 | ETIM 8.0 | EC002540 |
| ECCN | NO US CLASSIFICATION | PU (SPU) | 1?pcs |
| Packaging type | box | Country of origin | DE |
| GTIN | 4045454909826 | Customs tariff number | 8504904100 |
| RoHS Compliance Status | Compliant,No Exemption | Nominal input voltage [V] | DC?24?V |
| Input voltage range | DC?20 … 30?V | Nominal mains frequency range | 0?Hz |
| Input current I<sub>i</sub> | ≤?0.06?A (No load);?≤?1?A (Charging);?≤?22?A | Nominal output voltage [V] | DC?24?V |
| Output voltage range | DC?24?V | Nominal output current I<sub>o nom</sub> | 20?A |
| Current limitation | 1.1 x Io nom(typ.) | Buffer time | 0.17 … 16.5?s depends on load current and switch-on threshold |
| Switch-on threshold (adjustable) | DC?20 … 24?V | Charging time (typ.) | 5min |
| Signaling | 1 x LED DC OK (green) | Operation status indicator | Green LED (Uo> 20 V) |
| Power loss P<sub>l</sub> | ≤?1.5?W;?≤?15?W (nominal load) |
Specifications may be subject to change without notice
