Product Model
787-2742

Key Features
- 1Efficient Power Supply: The WAGO 787-2742 offers a high efficiency of 0.92, minimizing power losses.
- 2Durable Design: With an MTBF of over 1,800,000 hours, this PSU ensures long-lasting operation.
- 3Versatile Connectivity: Features push-in CAGE CLAMP technology for easy and secure connections.
- 4Compact Design: Measures 130mm x 80mm x 170mm, ideal for DIN rail mounting in control cabinets.
- 5Advanced Protection: Includes overvoltage category II and transient suppression via varistor for enhanced safety.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Isolation voltage (sec.-PE) | DC 0.7?kV | Protection class | I |
| Protection type | IP20; per EN 60529 | Overvoltage category | II |
| Pollution degree | 2 | Transient suppression (primary) | Varistor |
| Short-circuit-protected | Yes | Open-circuit-proof | Yes |
| Parallel operation | Yes | Series operation | 2 devices (max.) |
| MTBF | > 1,800,000 h (per IEC 61709) | Connection type 1 | Input/Output |
| Connection technology | Push-in CAGE CLAMP? | WAGO connector | WAGO 2606 Series |
| Solid conductor | 0.5 … 6?mm2?/ 20 … 10?AWG | Fine-stranded conductor | 0.5 … 6?mm2?/ 20 … 10?AWG |
| Strip length | 11 … 13?mm?/ 0.43 … 0.51?inches | Connection type 2 | Signaling |
| Connection technology 2 | Push-in CAGE CLAMP? | WAGO connector 2 | picoMAX?3.5 (WAGO 2091 Series) |
| Solid conductor 2 | 0.2 … 1.5?mm2?/ 24 … 14?AWG | Fine-stranded conductor 2 | 0.2 … 1.5?mm2?/ 24 … 14?AWG |
| Strip length 2 | 8 … 9?mm?/ 0.31 … 0.35?inches | Width | 80?mm?/ 3.15?inches |
| Height | 130?mm?/ 5.118?inches | Depth from upper-edge of DIN-rail | 170?mm?/ 6.693?inches |
| Mounting type | DIN-35 rail | Fire load | 0.197MJ |
| Weight | 1710g | Ambient temperature (operation) | -20 … +70 °C |
| Ambient temperature (storage) | -40 … +85 °C | Relative humidity | 10 … 95?% (no condensation permissible) |
| Derating | ?2 %/K (> 45 °C) | Climatic category | 3K3 (per EN 60721) |
| Resistance to shock and vibration | Shock: 15g (per EN 60068-2-27) | Conformity marking | 1; EAC |
| Standards/specifications | EN 61204-3 | 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 | CN | GTIN | 4055143588973 |
| Customs tariff number | 8504409510 | RoHS Compliance Status | Compliant,No Exemption |
| Phases | 2?/?3 | Nominal input voltage [V] | (2 / 3) x AC 400 ... 500 V |
| Input voltage range | (2?/ 3) x AC?325 … 575?V;?DC?560 … 700?V | Nominal mains frequency range | 47 … 63 Hz;0 Hz |
| Input current I<sub>i</sub> | ≤?3 x 1.2?A (400?VAC) | Inrush current | ≤?30?A (400?VAC) |
| Power factor | ≥?0.7? (400?VAC) | Power factor correction (PFC) | Passive |
| Mains failure hold-up time | ≥?10?ms (3 x 400 VAC) | Nominal output voltage [V] | DC?24?V (SELV) |
| Output voltage range | DC?24?V | Default setting | DC?24?V |
| Nominal output current I<sub>o nom</sub> | 20?A (24?VDC) | Nominal output power | 480W |
| Deviation | ≤?1?% | Residual ripple | ≤?150?mV (peak-to-peak) |
| Overload behavior | Constant power (in overload range: 1.05 … 1.4 x Io nom); Shutdown and automatic restart in the event of a short circuit | Signaling | 1 x LED DC OK (green) |
| Operation status indicator | Green LED (Uo) | Power loss P<sub>l</sub> | ≤?2.15?W (400 VAC; no load);?≤?42.5?W (400 VAC; Nominal load) |
| Efficiency (typ.) | 92?% | Internal fuse | 3 x T 3.15 A / 500?VAC |
| Backup fusing (required) | An external DC fuse is required for the DC input voltage. | Backup fusing (recommended) | 3 x circuit breaker ≥ 10 A; Tripping characteristic: B or C |
Specifications may be subject to change without notice
