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Wago 787-2852
Features:Switched-mode power supply in 22.5 mm wide 2857 Series housing; device shares a common profile with the 2857 and 857 Series Signal Conditioners.Both 24 VDC and 0 V output voltage can be easil…
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Description
Features:Switched-mode power supply in 22.5 mm wide 2857 Series housing; device shares a common profile with the 2857 and 857 Series Signal Conditioners.Both 24 VDC and 0 V output voltage can be easily supplied to adjacent modules via 859-4xx Jumpers.Pluggable picoMAX® Connection TechnologyNatural convection coolingDC OK message as active signal output (24 VDC, 20 mA)Integrated redundancy diode enables easy fail-safe power supply via parallel connection of two power supplies.Approvals for worldwide applications
Specification
Technical data - Input
| Phases | 1 |
|---|---|
| Nominal input voltage U<sub>i nom</sub> | 1 x 100 … 240 VAC |
| Input voltage range | 1 x 85 … 264 VAC; 120 … 372 VDC |
| Nominal mains frequency range | 47 … 63 Hz; 0 Hz |
| Input current I<sub>i</sub> | ≤ 0.28 A (240 VAC; Nominal load); ≤ 0.49 A (100 VAC; Nominal load) |
| Inrush current | ≤ 30 A |
| Power factor | ≥ 0.6 (230 VAC; nominal load; per EN 61000-3-2) |
| Power factor correction (PFC) | None |
| Mains failure hold-up time | ≥ 20 ms (100 VAC) |
Technical data - Output
| Nominal output voltage U<sub>o nom</sub> | 24 VDC (SELV) |
|---|---|
| Default setting | DC 24 V |
| Nominal output current I<sub>o nom</sub> | 1 A |
| Nominal output power | 24 W |
| Deviation | ≤ 2 % |
| Deviation, dynamic load change 10 … 90 % | ≤ 1 % |
| Residual ripple | ≤ 100 mV (peak-to-peak) |
| Current limitation | 1.1 x Io nom (typ.) |
| Overload behavior | Constant current |
Technical data - Signaling and communication
| Signaling | 1 x DC OK LED (green), 1 x Overload LED (red), 1 x Active signal output DC OK (24 VDC; 20 mA) |
|---|---|
| Operation status indicator | Green LED (Uo > 21.5 V), Red LED (overload) |
Technical data - Efficiency/power losses
| Power loss P<sub>l</sub> | ≤ 1 W; ≤ 4.3 W (230 VAC; nominal load) |
|---|---|
| Power loss (max.) P<sub>l (max.)</sub> | 5 W (100 VAC / 24 VDC; 1 A) |
| Efficiency (typ.) | 86 % (230 VAC; nominal load); 84 % (110 VAC; nominal load) |
Technical data - Circuit protection
| Internal fuse | T 2 A / 250 VAC |
|---|---|
| Backup fuse (recommended) | Circuit breaker: 6 A, 10 A, 16 A; Tripping characteristic: B or C |
Safety and protection
| Protection class | II |
|---|---|
| Protection type | IP20; per EN 60529 |
| Resistance to reverse feed | ≤ 60 VDC |
| Pollution degree | 2 |
| Transient suppression (primary) | Varistor |
| Overvoltage protection; secondary | Internal protective circuit, ≤ 29 … 31 VDC (in the event of a fault) |
| Short-circuit-protected | Yes |
| Open-circuit-proof | Yes |
| Parallel operation | Yes, for 2 devices of the same type |
| Series operation | Yes, for 2 devices of the same type |
| MTBF | > 500,000 h (at 25 °C per IEC 61709) |
Connection data
| Number of jumper slots | 4 |
|---|
Connection data - Connection 1
| Connection type | Input/output/signaling |
|---|---|
| Connection technology | Push-in CAGE CLAMP® |
| WAGO connector | picoMAX® 5.0 |
| Solid conductor | 0.2 … 2.5 mm² / 24 … 10 AWG |
| Fine-stranded conductor | 0.2 … 2.5 mm² / 24 … 10 AWG |
| Strip length | 9 … 10 mm / 0.35 … 0.39 inches |
Physical data
| Width | 22.5 mm / 0.886 inches |
|---|---|
| Height | 105 mm / 4.122 inches |
| Depth from upper-edge of DIN-rail | 107 mm / 4.213 inches |
Mechanical data
| Mounting type | DIN-35 rail |
|---|
Material data
| Fire load | 1.392 MJ |
|---|---|
| Weight | 200 g |
Environmental requirements
| Ambient temperature (operation) | -25 … +70 °C (Nominal mounting position; -25 … +55 °C (in any mounting position)) |
|---|---|
| Ambient temperature (storage) | -25 … +85 °C |
| Relative humidity | 5 … 96 % (no condensation permissible) |
| Derating | ‒2 %/K (> 60 °C) |
| Climatic category | 3K3 (per EN 60721) |
Standards and specifications
| Conformity marking | CE |
|---|---|
| Standards/specifications | EN 61000-6-2, EN 61000-6-3, EN 60950-1, DNV |
| Standards/specifications (pending) | ATEX/IECEx, UL 60950, cULus 508, ANSI/ISA 12.12.01 (Class I Div. 2), ATEX/IEC Ex |
Commercial data
| PU (SPU) | 1 pcs |
|---|---|
| Packaging type | box |
| Country of origin | DE |
| GTIN | 4055143295529 |
| Customs tariff number | 85044083900 |
Product Classification
| UNSPSC | 39121004 |
|---|---|
| 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
| RoHS Compliance Status | Compliant,No Exemption |
|---|
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