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Wago 787-2744
Features:Economical power supply for standard applicationsNatural convection cooling when horizontally mountedEncapsulated for use in control cabinetsFast and tool-free termination via lever-actuated…
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Description
Features:Economical power supply for standard applicationsNatural convection cooling when horizontally mountedEncapsulated for use in control cabinetsFast and tool-free termination via lever-actuated terminals with push-in connection technologyDC OK signal output Parallel operationElectrically isolated output voltage (SELV) per ENÂ 60950-1/ULÂ 60950-1; PELV per ENÂ 60204-1
Specification
Technical data - Input
| Phases | 2 / 3 |
|---|---|
| Nominal input voltage U<sub>i nom</sub> | (2 / 3) x 400 … 480 VAC, (2 / 3) x AC 400 … 480 V |
| Input voltage range | (2 / 3) x 325 … 575 VAC; 560 … 700 VDC |
| Nominal mains frequency range | 47 … 63 Hz; 0 Hz |
| Input current I<sub>i</sub> | ≤ 3 x 2.5 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) |
Technical data - Output
| Nominal output voltage U<sub>o nom</sub> | 24 VDC (SELV) |
|---|---|
| Output voltage range | 22 … 28 VDC (adjustable) |
| Default setting | DC 24 V |
| Nominal output current I<sub>o nom</sub> | 40 A (24 VDC) |
| Nominal output power | 960 W |
| 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 |
Technical data - Signaling and communication
| Signaling | 1 x DC OK LED (green), 1 x Overload LED (red), 1 x Signal output DC OK (PhotoMOS as make contact, rated for max. 31.2 VDC / 100 mA) |
|---|---|
| Operation status indicator | Green LED (Uo), Red LED (overload) |
Technical data - Efficiency/power losses
| Power loss P<sub>l</sub> | ≤ 6.2 W (400 VAC; Nominal load); ≤ 64.3 W (400 VAC; Nominal load) |
|---|---|
| Efficiency (typ.) | 92.3 % |
Technical data - Circuit protection
| Internal fuse | 3 x T 6.3 A / 500 VAC |
|---|---|
| Pre-fuse (required) | An external DC fuse is required for the DC input voltage. |
| Backup fuse (recommended) | 3 x Circuit breaker ≥ 10 A; Tripping characteristic: B or C |
Safety and protection
| Isolation voltage (sec.-PE) | 0.7 kVDC |
|---|---|
| Isolation voltage (sec.-signal) | 0.7 kVDC |
| Protection class | I |
| Protection type | IP20; per EN 60529 |
| Resistance to reverse feed | ≤ 30 VDC |
| 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 | > 1,300,000 h (per IEC 61709) |
Connection data - Connection 1
| Connection type | Input |
|---|---|
| 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 data - Connection 2
| Connection type | Output |
|---|---|
| Connection technology | Push-in CAGE CLAMP® |
| WAGO connector | WAGO 2616 Series |
| Solid conductor | 0.75 … 16 mm² / 18 … 4 AWG |
| Fine-stranded conductor | 0.75 … 25 mm² / 18 … 4 AWG |
| Strip length | 18 … 20 mm / 0.71 … 0.79 inches |
Connection data - Connection 3
| Connection type | Signaling |
|---|---|
| Connection technology | Push-in CAGE CLAMP® |
| WAGO connector | picoMAX® 3.5 (WAGO 2091 Series) |
| Solid conductor | 0.2 … 1.5 mm² / 24 … 14 AWG |
| Fine-stranded conductor | 0.2 … 1.5 mm² / 24 … 14 AWG |
| Strip length | 8 … 9 mm / 0.31 … 0.35 inches |
Physical data
| Width | 140 mm / 5.512 inches |
|---|---|
| Height | 130 mm / 5.118 inches |
| Depth from upper-edge of DIN-rail | 170 mm / 6.693 inches |
Mechanical data
| Mounting type | DIN-35 rail |
|---|
Material data
| Fire load | 0.57 MJ |
|---|---|
| Weight | 2630 g |
Environmental requirements
| 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), Vibration: 1g (per EN 60068-2-6) |
Standards and specifications
| Conformity marking | CE; EAC |
|---|---|
| Standards/specifications | EN 61204-3, EN 62368-1, cURus 60950-1, cURus 62368-1, cULus 508, CSA C22.2, SEMI F47 |
Commercial data
| PU (SPU) | 1 pcs |
|---|---|
| Packaging type | box |
| Country of origin | CN |
| GTIN | 4055143588980 |
| Customs tariff number | 85044083900 |
Product Classification
| UNSPSC | 39121004 |
|---|---|
| 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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