
Switched-mode power supply; Pro; 3-phase; 24 VDC output voltage; 20 A output current; TopBoost + PowerBoost; LineMonitor; DC OK signal; 2,50 mm²
UPS charger and controller; 24 VDC input voltage; 24 VDC output voltage; 10 A output current; LineMonitor; communication capability
Features:
Charger and controller for uninterruptible power supply (UPS)
Current and voltage monitoring, as well as parameter setting via LCD and RS-232 interface
Active signal outputs for function monitoring
Remote input for deactivating the buffered output
Input for temperature control of connected battery
Battery control (from manufacturing no. 215563 onwards) detects both battery life and battery type
| 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); ≤ 0.8 A (charging); ≤ 10.8 A |
| Inrush current | ≤ 4 A (no load) |
| 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> | 10 A |
| Current limitation | 1.1 … 1.4 x Io nom (typ.) |
| 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 | ≤ 0.6 A |
| End-of-charge voltage | 26 … 29.5 VDC (temperature-controlled; optional fixed setting) |
| Recommended battery module | 787-871, 787-872, 787-873, 787-876, 787-1671 |
| 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 |
| Power loss P<sub>l</sub> | ≤ 15 W; ≤ 20 W (nominal load) |
| Efficiency (typ.) | 95 % |
| Internal fuse | T 15 A |
| 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) |
| Cable length (max.) | 3 m (input, output, battery control) |
| Connection type | Input/output |
| 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 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 |
| Width | 40 mm / 1.575 inches |
| Height | 163 mm / 6.417 inches |
| Depth from upper-edge of DIN-rail | 163 mm / 6.417 inches |
| Note (dimensions) | Height with connector |
| Mounting type | DIN-35 rail |
| Weight | 800 g |
| Ambient temperature (operation) | -10 … +60 °C |
| Ambient temperature (storage) | -25 … +85 °C |
| Relative humidity | 5 … 96 % (no condensation permissible) |
| Conformity marking | CE |
| Standards/specifications | EN 61010-1, EN 61010-2-201, UL 60950, UL 508, EN 61000-6-2, EN 61000-6-3 |
| Product Group | 6 (INTERFACE ELECTRONIC) |
| PU (SPU) | 1 pcs |
| Packaging type | box |
| Country of origin | DE |
| GTIN | 4045454909857 |
| Customs tariff number | 85044060900 |
| 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 |
| RoHS Compliance Status | Compliant,No Exemption |
787-870 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Yes — mention it when you request a quote for 787-870 and we'll include express shipping options in our reply.
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for 787-870, subject to availability and destination.

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UPS charger and controller; 24 VDC input voltage; 24 VDC output voltage; 20 A output current; LineMonitor; communication capability