Wago 787-2803

DC/DC Converter; 48 VDC input voltage; 24 VDC output voltage; 0.5 A output current; DC OK contact

MPN
787-2803
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What is the Wago 787-2803?

Features:

DC/DC converter in a compact 6 mm housing

DC/DC converters (787-28xx) supply devices with 5, 10, 12 or 24 VDC from a 24 or 48 VDC power supply with an output power up to 12 W.

Output voltage monitoring via DC OK signal output

Can be commoned with 857 and 2857 Series devices

Comprehensive range of approvals for multiple applications

Specifications

Technical data - Input

Nominal input voltage U<sub>i nom</sub>48 VDC
Input voltage range40 … 55 VDC
Nominal mains frequency range0 Hz
Input current I<sub>i</sub>≤ 0.34 A
Inrush current≤ 0.5 A (at nominal input voltage)

Technical data - Output

Nominal output voltage U<sub>o nom</sub>24 VDC
Output voltage range±3 %
Nominal output current I<sub>o nom</sub>0.5 A
Nominal output power12 W
Deviation≤ 3 %
Residual ripple≤ 20 mV (peak-to-peak)

Technical data - Signaling and communication

Signaling1 x DC OK LED (green), 1 x Short circuit LED (red), 1 x Active signal output (Ui, max. 4 mA)
Operation status indicatorGreen LED (Uo), Red LED (short circuit)

Technical data - Efficiency/power losses

Power loss P<sub>l</sub>≤ 0.29 W; ≤ 1.2 W (nominal load)
Efficiency (typ.)91 % (at nominal input voltage and nominal output)

Technical data - Circuit protection

Internal fuseNo

Safety and protection

Protection classIII
Protection typeIP20; per EN 60529
Reverse voltage protectionyes
Resistance to reverse feed≤ 27 VDC
Pollution degree2
Short-circuit-protectedYes
Open-circuit-proofYes
Parallel operationNo
Series operationNo
MTBF> 1,800,000 h

Connection data

Number of jumper slots8

Connection data - Connection 1

Connection technologyPush-in CAGE CLAMP®
WAGO connectorWAGO 857 Series
Solid conductor0.08 … 2.5 mm² / 28 … 14 AWG
Fine-stranded conductor0.34 … 2.5 mm² / 22 … 14 AWG
Strip length9 … 10 mm / 0.35 … 0.39 inches

Physical data

Width6 mm / 0.236 inches
Height94 mm / 3.701 inches
Depth from upper-edge of DIN-rail97.8 mm / 3.85 inches

Mechanical data

Mounting typeDIN-35 rail

Material data

Fire load0.363 MJ
Weight32.6 g

Environmental requirements

Ambient temperature (operation)-25 … +70 °C
Ambient temperature (storage)-40 … +85 °C
Relative humidity≤ 95 % (no condensation permissible)
DeratingNo derating
Climatic category3K3 (per EN 60721; except for low air pressure)

Standards and specifications

Conformity markingCE
Standards/specificationsEN 61000-6-2, EN 61000-6-3, EN 60950-1, UL 61010-2-201

Commercial data

PU (SPU)1 pcs
Packaging typebag
Country of originDE
GTIN4055143454308
Customs tariff number85044083900

Product Classification

UNSPSC39121006
eCl@ss 10.027-04-07-01
eCl@ss 9.027-04-07-01
ETIM 9.0EC002540
ETIM 10.0EC002540
ECCNNO US CLASSIFICATION

Environmental Product Compliance

CAS-No.1303-86-2, 1317-36-8, 7439-92-1
REACH Candidate List SubstanceDiboron trioxide, Lead, Lead monoxide
RoHS Compliance StatusCompliant,With Exemption
RoHS Exemption6(c), 7(a), 7(c)-I, 7(c)-II
SCIP notification number (Austria)7fdcf80a-ea1c-4e61-a086-69d74a43c211
SCIP notification number (Belgium)f9095a37-9cf1-4881-9c24-d8981a5029e9
SCIP notification number (Bulgaria)0456d0eb-12ea-403f-a27c-2f5403f99bde
SCIP notification number (Czech Republic)26725077-3d5b-4a47-bbd2-845664152dab
SCIP notification number (Denmark)c02510db-753e-46ae-b0ec-cf8499a07c41
SCIP notification number (Finland)e2ce865d-a1f2-498a-b88d-2b47a5805513
SCIP notification number (France)4262cfff-b19e-40f6-9af3-5f977fc9a019
SCIP notification number (Germany)f913db78-e89b-4c3a-b5c7-9fd73456200f
SCIP notification number (Hungary)808d3960-104d-46be-a1a6-4b855d92b7e2
SCIP notification number (Italy)147979e2-e7d4-4102-a8d8-bde6fea6bd37
SCIP notification number (Netherlands)b73eb116-cdbd-4e20-bb6a-b7c828efd196
SCIP notification number (Poland)907dec48-bed8-4b54-8f64-c5803f000017
SCIP notification number (Romania)f3a79f75-93b8-45c9-92d9-c97b39c51c68
SCIP notification number (Sweden)dd526566-1e3c-494a-a3a7-c71e331c938c

787-2803: frequently asked questions

When can 787-2803 be shipped?

787-2803 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 787-2803 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 787-2803 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 787-2803, subject to availability and destination.

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Wago 787-2803Price and lead time confirmed within 1 business day
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