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Wago
787-722Power supply; Eco; 1-phase; 24 VDC output voltage; 5 A output current; DC-OK LED; 4,00 mm²
Wago 787-738
Switched-mode power supply; Eco; 3-phase; 24 VDC output voltage; 6.25 A output current; DC OK contact
- MPN
- 787-738
- Category
- Power Supplies
Price and lead time confirmed within 1 business day
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- 12-month warranty (new) · 3-month (used/refurbished)
- 30-day returns, no restocking fee on unused parts
- Ships via
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What is the Wago 787-738?
Features:
Natural convection cooling when horizontally mounted
Encapsulated for use in control cabinets
Fast and tool-free termination via lever-actuated PCB terminal blocks
Bounce-free switching signal (DC OK) via optocoupler
Parallel operation
Electrically isolated output voltage (SELV) per UL 60950-1; PELV per EN 60204
Specifications
Technical data - Input
| Phases | 2 / 3 |
| Nominal input voltage U<sub>i nom</sub> | (2 / 3) x 340 … 500 VAC |
| Input voltage range | (2 / 3) x 306 … 550 VAC; 500 … 650 VDC |
| Nominal mains frequency range | 47 … 63 Hz; 0 Hz |
| Input current I<sub>i</sub> | ≤ 3 x 0.6 A (400 VAC; 24 VDC / 6.25 A) |
| Inrush current | ≤ 25 A |
| Power factor | ≥ 0.5 |
| Power factor correction (PFC) | Passive |
| Mains failure hold-up time | ≥ 17 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> | 6.25 A (24 VDC) |
| Nominal output power | 150 W |
| Deviation | ≤ 1 % |
| Residual ripple | ≤ 100 mV (peak-to-peak) |
| Overload behavior | Constant power (in overload range: 1.15 … 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 (optocoupler as make contact; max. 31.2 V; 20 mA) |
| Operation status indicator | Green LED (Uo), Red LED (overload) |
Technical data - Efficiency/power losses
| Power loss P<sub>l</sub> | ≤ 18.5 W |
| Power loss (max.) P<sub>l (max.)</sub> | 20 W |
| Efficiency (typ.) | 87 % |
Technical data - Circuit protection
| Internal fuse | 3 x T 2 A / 250 VAC |
| Pre-fuse (required) | An external DC fuse is required for the DC input voltage. |
| Backup fuse (recommended) | 3 x Circuit breaker ≥ 6 A; Tripping characteristic: B or C, Alternative: motor circuit breaker |
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 | Yes |
| MTBF | > 250,000 h (per IEC 61709) |
Connection data - Connection 1
| Connection type | Input/output |
| Connection technology | CAGE CLAMP® |
| WAGO connector | WAGO 2706 Series |
| Solid conductor | 0.5 … 6 mm² / 20 … 10 AWG |
| Fine-stranded conductor | 0.5 … 6 mm² / 20 … 10 AWG |
| Strip length | 11 … 12 mm / 0.43 … 0.47 inches |
Connection data - Connection 2
| 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 | 50 mm / 1.969 inches |
| Height | 130 mm / 5.118 inches |
| Depth from upper-edge of DIN-rail | 92 mm / 3.622 inches |
Mechanical data
| Mounting type | DIN-35 rail |
Material data
| Weight | 844 g |
Environmental requirements
| Ambient temperature (operation) | -25 … +70 °C |
| Ambient temperature (storage) | -40 … +85 °C |
| Relative humidity | 10 … 95 % (no condensation permissible) |
| Derating | −2.5 %/K (> 50 °C; 400 VAC) |
| Climatic category | 3K3 (per EN 60721) |
Standards and specifications
| Conformity marking | CE |
| Standards/specifications | EN 62368-1, EN 61204-3 (Class A), UL 60950-1, UL 508, SEMI F47 |
Commercial data
| PU (SPU) | 1 pcs |
| Packaging type | box |
| Country of origin | CN |
| GTIN | 4050821847861 |
| 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 |
| RoHS Exemption | 6(c), 7(a), 7(c)-I, 7(c)-II |
| SCIP notification number (Bulgaria) | 6ad76c2f-5e1d-4e81-863e-4937bfb36fc5 |
| SCIP notification number (Czech Republic) | 3cb75b15-0728-4ff4-a13e-55912c975eb3 |
787-738: frequently asked questions
When can 787-738 be shipped?
787-738 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 787-738 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 787-738 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 787-738, subject to availability and destination.
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Wago 787-738Price and lead time confirmed within 1 business day
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