.svg&w=240){kind=small}
Wago
787-1633Switched-mode power supply; Classic; 1-phase; 48 VDC output voltage; 5 A output current; TopBoost; DC OK contact
Wago 787-1638
Switched-mode power supply; Classic; 2-phase; 24 VDC output voltage; 10 A output current; TopBoost; DC OK contact
- MPN
- 787-1638
- Category
- Power Supplies
Price and lead time confirmed within 1 business day
Request a Quote
- 1We check stock, condition and lead time
- 2You get a written quote by email
- 3Approve it and we ship — in-stock parts within 1 business day
- 12-month warranty (new) · 3-month (used/refurbished)
- 30-day returns, no restocking fee on unused parts
- 100% positive eBay feedback
- Ships via
What is the Wago 787-1638?
Features:
Switched-mode power supply with TopBoost, enabling secondary-side protection via circuit breakers
Natural convection cooling when horizontally mounted
Encapsulated for use in control cabinets
DC OK contact
Suitable for both parallel and series operation
Electrically isolated output voltage (SELV) per EN 60950-1/UL 60950-1; PELV per EN 60204
Specifications
Technical data - Input
| Phases | 1 / 2 |
| Nominal input voltage U<sub>i nom</sub> | (1 / 2) x 200 … 500 VAC, (1 / 2) x AC 200 … 500 V |
| Input voltage range | (1 / 2) x 180 … 550 VAC; 254 … 780 VDC |
| Input voltage derating | -0.5 %/V (< 200 VAC); -0.4 %/V (< 280 VDC) |
| Nominal mains frequency range | 44 … 66 Hz; 0 Hz |
| Input current I<sub>i</sub> | ≤ 1.975 A (230 VAC); ≤ 1.36 A (230 VAC) |
| Inrush current | ≤ 30 A (NTC) |
| Power factor correction (PFC) | Passive |
| Mains failure hold-up time | ≥ 78 ms (400 VAC); ≥ 20 ms (200 VAC) |
Technical data - Output
| Nominal output voltage U<sub>o nom</sub> | 24 VDC (SELV) |
| Output voltage range | 23 … 28.5 VDC (adjustable) |
| Default setting | DC 24 V |
| Nominal output current I<sub>o nom</sub> | 10 A (24 VDC) |
| Nominal output power | 240 W |
| Deviation | ≤ 1 % |
| Residual ripple | ≤ 30 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 DC OK contact (make contact; max. 30 VAC/DC; 1 A) |
| Operation status indicator | Green LED (Uo) |
Technical data - Efficiency/power losses
| Power loss P<sub>l</sub> | ≤ 1.3 W; ≤ 27.8 W (230 VAC; nominal load); ≤ 20.3 W (400 VAC; nominal load) |
| Power loss (max.) P<sub>l (max.)</sub> | 27.8 W (230 VAC / 24 VDC; 10 A) |
| Efficiency (typ.) | 89 % (230 VAC); 92.5 % (400 VAC) |
Technical data - Circuit protection
| Internal fuse | T 6.3 A / 500 VAC |
| Pre-fuse (required) | An external DC fuse is required for the DC input voltage. |
| Backup fuse (recommended) | Circuit breaker: 6 A, 10 A, 16 A; Tripping characteristic: B or C |
Safety and protection
| Isolation voltage (sec.-PE) | 0.7 kVDC |
| Protection class | I |
| Protection type | IP20; per EN 60529 |
| Resistance to reverse feed | ≤ 35 VDC |
| Overvoltage category | II |
| Pollution degree | 2 |
| Transient suppression (primary) | Varistor |
| Overvoltage protection; secondary | Internal protective circuit, ≤ 40 VDC (in the event of a fault) |
| Short-circuit-protected | Yes |
| Open-circuit-proof | Yes |
| Parallel operation | Yes |
| Series operation | Yes |
| MTBF | > 500,000 h (per IEC 61709) |
Connection data - Connection 1
| Connection type | Input/output/signaling |
| Connection technology | CAGE CLAMP® |
| WAGO connector | WAGO 721 Series |
| Solid conductor | 0.08 … 2.5 mm² / 28 … 12 AWG |
| Fine-stranded conductor | 0.08 … 2.5 mm² / 28 … 12 AWG |
| Strip length | 8 … 9 mm / 0.31 … 0.35 inches |
Physical data
| Width | 55 mm / 2.165 inches |
| Height | 127 mm / 5 inches |
| Depth from upper-edge of DIN-rail | 146.5 mm / 5.768 inches |
Mechanical data
| Mounting type | DIN-35 rail |
Material data
| Fire load | 0.36 MJ |
| Weight | 830 g |
Environmental requirements
| Ambient temperature (operation) | -25 … +70 °C (Device starts at -40 °C (type-tested)) |
| Ambient temperature (storage) | -25 … +85 °C |
| Relative humidity | 5 … 96 % (no condensation permissible) |
| Derating | −2.5 %/K (> 55 °C) |
| Climatic category | 3K3 (per EN 60721) |
Standards and specifications
| Conformity marking | CE |
| Standards/specifications | EN 61010-1, EN 61010-2-201, EN 61204-3, UL 60950-1, UL 508, DNV, SEMI F47 |
Commercial data
| PU (SPU) | 1 pcs |
| Packaging type | box |
| Country of origin | DE |
| GTIN | 4055143521420 |
| 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 |
No matching specifications
787-1638: frequently asked questions
When can 787-1638 be shipped?
787-1638 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 787-1638 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 787-1638 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 787-1638, subject to availability and destination.
More Wago parts
Wago
787-1634Switched-mode power supply; Classic; 1-phase; 24 VDC output voltage; 20 A output current; TopBoost; DC OK contact
Wago
787-1634/000-070Switched-mode power supply; Classic; 1-phase; 24 VDC output voltage; 20 A output current; TopBoost; DC OK contact
Wago
787-1635Switched-mode power supply; Classic; 1-phase; 48 VDC output voltage; 10 A output current; TopBoost; DC OK contact
Wago
787-1640Switched-mode power supply; Classic; 3-phase; 24 VDC output voltage; 10 A output current; TopBoost; DC OK contact
Wago
787-1642Switched-mode power supply; Classic; 3-phase; 24 VDC output voltage; 20 A output current; TopBoost; DC OK contact
Wago
787-1644Switched-mode power supply; Classic; 3-phase; 24 VDC output voltage; 40 A output current; TopBoost; DC OK contact
Wago
787-1650DC/DC Converter; 24 VDC input voltage; 12 VDC output voltage; 4 A output current; galvanically isolated
Wago 787-1638Price and lead time confirmed within 1 business day
Request a Quote