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Wago
787-1635Switched-mode power supply; Classic; 1-phase; 48 VDC output voltage; 10 A output current; TopBoost; DC OK contact
Wago 787-1644
Switched-mode power supply; Classic; 3-phase; 24 VDC output voltage; 40 A output current; TopBoost; DC OK contact
- MPN
- 787-1644
- Category
- Power Supplies
Price and lead time confirmed within 1 business day
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- 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)
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What is the Wago 787-1644?
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 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 400 … 500 VAC |
| Input voltage range | (2 / 3) x 320 … 575 VAC; 450 … 800 VDC |
| Nominal mains frequency range | 47 … 63 Hz; 0 Hz |
| Input current I<sub>i</sub> | ≤ 3 x 2.15 A (400 VAC); ≤ 3 x 1.82 A (500 VAC) |
| Inrush current | ≤ 30 A (NTC) |
| Power factor correction (PFC) | Passive |
| Mains failure hold-up time | ≥ 25 ms (500 VAC); ≥ 15 ms (400 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> | 40 A (24 VDC) |
| Nominal output power | 960 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> | ≤ 4.2 W; ≤ 83.9 W (400 VAC; nominal load) |
| Power loss (max.) P<sub>l (max.)</sub> | 83.9 W (500 VAC / 24 VDC; 40 A) |
| Efficiency (typ.) | 92 % |
Technical data - Circuit protection
| Internal fuse | No |
| Pre-fuse (required) | Alternative: motor circuit breaker, An external DC fuse is required for the DC input voltage. |
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/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 |
Connection data - Connection 2
| Connection type | Output |
| Connection technology | Push-in CAGE CLAMP® |
| WAGO connector | WAGO 831 Series |
| Solid conductor | 0.5 … 10 mm² / 20 … 8 AWG |
| Fine-stranded conductor | 0.5 … 10 mm² / 20 … 8 AWG |
| Strip length | 13 … 15 mm / 0.51 … 0.59 inches |
Physical data
| Width | 126 mm / 4.96 inches |
| Height | 127 mm / 5 inches |
| Depth from upper-edge of DIN-rail | 198 mm / 7.795 inches |
Mechanical data
| Mounting type | DIN-35 rail |
Material data
| Fire load | 0.914 MJ |
| Weight | 2800 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) |
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 | 4055143259187 |
| 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
787-1644: frequently asked questions
When can 787-1644 be shipped?
787-1644 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 787-1644 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 787-1644 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 787-1644, subject to availability and destination.
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Wago 787-1644Price and lead time confirmed within 1 business day
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