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Wago 787-2861/108-020
Features:Space-saving ECB with one channelReliably and safely trips in the event of an overload and short circuit on the secondary sideSwitch-on capacity > 50,000 μFEnables the use of an economica…
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Description
Features:Space-saving ECB with one channelReliably and safely trips in the event of an overload and short circuit on the secondary sideSwitch-on capacity > 50,000 μFEnables the use of an economical, standard power supplyMinimizes wiring via two voltage outputs and maximizes commoning options on both input and output sides (e.g., commoning of the output voltage on 857 and 2857 Series devices)Status signal – adjustable as single or group messageReset, switch on/off via remote input or local switchPrevents power supply overload due to total inrush current thanks to time-delayed switching on during interconnected operation
Specification
Technical data - Input
| Nominal input voltage U<sub>i nom</sub> | 24 VDC |
|---|---|
| Input voltage range | 18 … 30 VDC |
Technical data - Output
| Total number of channels (module) | 1 |
|---|---|
| Nominal output voltage U<sub>o nom</sub> | 1 x 24 VDC |
| Output voltage range | 18 … 30 VDC (Ue − voltage drop) |
| Voltage drop | ≤ 25 mV (8 A) |
| Nominal output current I<sub>o nom</sub> | 1 x 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 A (adjustable) |
| Default setting | DC 1 A; switched off |
| Trip time | 4 ms … 100 s (load-dependent) |
| Switch-on capacity | > 50000 µF per channel |
| Switch-on behavior | Time-delayed channel switching (load-dependent, min. 170 ms / max. 500 ms) |
| Active current limitation | No |
| Current limitation | No |
Technical data - Signaling and communication
| Signaling | 1 x Status LED (green/yellow/red/blue/violet), 1 x Control input, 1 x Active signal output (Ui, max. 4 mA) |
|---|---|
| Operation status indicator | Green LED (channel OK), Red LED (tripped channel) |
| Remote input | 18 … 30 VDC signal, switches on/off and resets the channel |
Technical data - Efficiency/power losses
| Power loss P<sub>l</sub> | ≤ 0.36 W |
|---|---|
| Efficiency (typ.) | 96 % |
Technical data - Circuit protection
| Internal fuse | T 15 A |
|---|
Safety and protection
| Isolation voltage (connectors – housing) | 0.5 kVDC |
|---|---|
| Protection class | III |
| Protection type | IP20; per EN 60529 |
| Reverse voltage protection | No |
| Pollution degree | 2 |
| Transient suppression (primary) | Suppressor diode (33 V) |
| Parallel operation of single channels | Not permitted |
| Series operation | No |
| MTBF | 1,262,142 h (per MIL-HDBK-217F2) |
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
| Weight | 37 g |
|---|
Environmental requirements
| Ambient temperature (operation) | -25 … +70 °C (Device starts at -40 °C (type-tested); derating must be observed) |
|---|---|
| Ambient temperature (storage) | -40 … +85 °C |
| Relative humidity | 10 … 95 % (no condensation permissible) |
| Derating | See instruction manual |
Standards and specifications
| Conformity marking | CE |
|---|---|
| Standards/specifications | EN 61000-6-2, EN 61000-6-3, UL 61010-2-201, DNV |
Commercial data
| PU (SPU) | 1 pcs |
|---|---|
| Packaging type | Bag |
| Country of origin | CN |
| Customs tariff number | 85362010900 |
Product Classification
| UNSPSC | 39121630 |
|---|---|
| eCl@ss 10.0 | 27-37-18-02 |
| eCl@ss 9.0 | 27-37-18-02 |
| ETIM 9.0 | EC001440 |
| ETIM 10.0 | EC001440 |
| 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) | ad637ba0-c51f-44a2-b8ff-698cbefc51ed |
| SCIP notification number (Belgium) | b9d40650-cacb-4859-9d7f-9e8d56e09db4 |
| SCIP notification number (Bulgaria) | d644b413-03d7-4b54-91f8-74efdb896cc6 |
| SCIP notification number (Czech Republic) | 26461ced-0081-473c-a4f7-e0052cd02021 |
| SCIP notification number (Denmark) | 876bec22-164d-4230-a8e8-c291b1cef7e9 |
| SCIP notification number (Finland) | fb61e357-adfd-4dc2-b7cc-8895b1b1bfec |
| SCIP notification number (France) | a543535a-89e4-4209-ae61-75ad11911c03 |
| SCIP notification number (Germany) | 99b35031-4afa-467c-8291-187612075f67 |
| SCIP notification number (Hungary) | 22782ca1-1e17-4739-b396-2315822c2d14 |
| SCIP notification number (Italy) | 3345dcef-f8e6-4692-ae81-a6831afb3e9b |
| SCIP notification number (Poland) | 224e2e49-fee4-4dd0-b2ef-0943e1019bc8 |
| SCIP notification number (Sweden) | f32ab49c-378d-43d7-86c6-99df1ed9df56 |
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