DC/DC Converter; 48 VDC input voltage; 24 VDC output voltage; 0.5 A output current; DC OK contact
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Quick facts
| Availability | Confirmed on request |
| Category | Power Supplies |
| Lifecycle | active |
| Warranty | 12-month (new) · 3-month (used/refurbished) |
Shipping & availability
When can 787-2803 be shipped?
787-2803 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up 787-2803 in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for 787-2803 and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
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 787-2803, subject to availability and destination.
<p><b>Features:</b></p><ul><li>DC/DC converter in a compact 6 mm housing</li><li>DC/DC converters (787-28xx) supply devices with 5, 10, 12 or 24 VDC from a 24 or 48 VDC power supply with an output power up to 12 W.</li><li>Output voltage monitoring via DC OK signal output</li><li>Can be commoned with 857 and 2857 Series devices</li><li>Comprehensive range of approvals for multiple applications</li></ul>
Specifications
Technical data - Input
| Nominal input voltage U<sub>i nom</sub> | 48 VDC |
| Input voltage range | 40 … 55 VDC |
| Nominal mains frequency range | 0 Hz |
| Input current I<sub>i</sub> | ≤ 0.34 A |
| Inrush current | ≤ 0.5 A (at nominal input voltage) |
Technical data - Output
| Nominal output voltage U<sub>o nom</sub> | 24 VDC |
| Output voltage range | ±3 % |
| Nominal output current I<sub>o nom</sub> | 0.5 A |
| Nominal output power | 12 W |
| Deviation | ≤ 3 % |
| Residual ripple | ≤ 20 mV (peak-to-peak) |
Technical data - Signaling and communication
| Signaling | 1 x DC OK LED (green), 1 x Short circuit LED (red), 1 x Active signal output (Ui, max. 4 mA) |
| Operation status indicator | Green LED (Uo), Red LED (short circuit) |
Technical data - Efficiency/power losses
| Power loss P<sub>l</sub> | ≤ 0.29 W; ≤ 1.2 W (nominal load) |
| Efficiency (typ.) | 91 % (at nominal input voltage and nominal output) |
Technical data - Circuit protection
| Internal fuse | No |
Safety and protection
| Protection class | III |
| Protection type | IP20; per EN 60529 |
| Reverse voltage protection | yes |
| Resistance to reverse feed | ≤ 27 VDC |
| Pollution degree | 2 |
| Short-circuit-protected | Yes |
| Open-circuit-proof | Yes |
| Parallel operation | No |
| Series operation | No |
| MTBF | > 1,800,000 h |
Connection data
| Number of jumper slots | 8 |
Connection data - Connection 1
| Connection technology | Push-in CAGE CLAMP® |
| WAGO connector | WAGO 857 Series |
| Solid conductor | 0.08 … 2.5 mm² / 28 … 14 AWG |
| Fine-stranded conductor | 0.34 … 2.5 mm² / 22 … 14 AWG |
| Strip length | 9 … 10 mm / 0.35 … 0.39 inches |
Physical data
| Width | 6 mm / 0.236 inches |
| Height | 94 mm / 3.701 inches |
| Depth from upper-edge of DIN-rail | 97.8 mm / 3.85 inches |
Mechanical data
| Mounting type | DIN-35 rail |
Material data
| Fire load | 0.363 MJ |
| Weight | 32.6 g |
Environmental requirements
| Ambient temperature (operation) | -25 … +70 °C |
| Ambient temperature (storage) | -40 … +85 °C |
| Relative humidity | ≤ 95 % (no condensation permissible) |
| Derating | No derating |
| Climatic category | 3K3 (per EN 60721; except for low air pressure) |
Standards and specifications
| Conformity marking | CE |
| Standards/specifications | EN 61000-6-2, EN 61000-6-3, EN 60950-1, UL 61010-2-201 |
Commercial data
| PU (SPU) | 1 pcs |
| Packaging type | bag |
| Country of origin | DE |
| GTIN | 4055143454308 |
| Customs tariff number | 85044083900 |
Product Classification
| UNSPSC | 39121006 |
| 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
| CAS-No. | 1303-86-2, 1317-36-8, 7439-92-1 |
| REACH Candidate List Substance | Diboron trioxide, Lead, Lead monoxide |
| RoHS Compliance Status | Compliant,With Exemption |
| RoHS Exemption | 6(c), 7(a), 7(c)-I, 7(c)-II |
| SCIP notification number (Austria) | 7fdcf80a-ea1c-4e61-a086-69d74a43c211 |
| SCIP notification number (Belgium) | f9095a37-9cf1-4881-9c24-d8981a5029e9 |
| SCIP notification number (Bulgaria) | 0456d0eb-12ea-403f-a27c-2f5403f99bde |
| SCIP notification number (Czech Republic) | 26725077-3d5b-4a47-bbd2-845664152dab |
| SCIP notification number (Denmark) | c02510db-753e-46ae-b0ec-cf8499a07c41 |
| SCIP notification number (Finland) | e2ce865d-a1f2-498a-b88d-2b47a5805513 |
| SCIP notification number (France) | 4262cfff-b19e-40f6-9af3-5f977fc9a019 |
| SCIP notification number (Germany) | f913db78-e89b-4c3a-b5c7-9fd73456200f |
| SCIP notification number (Hungary) | 808d3960-104d-46be-a1a6-4b855d92b7e2 |
| SCIP notification number (Italy) | 147979e2-e7d4-4102-a8d8-bde6fea6bd37 |
| SCIP notification number (Netherlands) | b73eb116-cdbd-4e20-bb6a-b7c828efd196 |
| SCIP notification number (Poland) | 907dec48-bed8-4b54-8f64-c5803f000017 |
| SCIP notification number (Romania) | f3a79f75-93b8-45c9-92d9-c97b39c51c68 |
| SCIP notification number (Sweden) | dd526566-1e3c-494a-a3a7-c71e331c938c |






