Wago 859-791

Optocoupler module; Nominal input voltage: 24 VDC; Output voltage range: 3 … 60 VDC; Limiting continuous current: 0.1 A; 2-wire connection; Railway; Red status indicator; Module width: 6 mm;

MPN
859-791
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What is the Wago 859-791?

Optocoupler module; Nominal input voltage: 24 VDC; Output voltage range: 3 … 60 VDC; Limiting continuous current: 0.1 A; 2-wire connection; Railway; Red status indicator; Module width: 6 mm; gray 859-791

Specifications

Notes

NoteOptocouplers and solid state relays are designed for use in signal processing networks that are not supplied directly by the low-voltage power supply network.

Technical data - Control circuit

Nominal input voltage U<sub>N</sub>24 VDC
Input voltage range16.8 … 30 VDC
Input voltage range (low level)0 … 5 VDC
Input voltage range (high level)16 … 30 VDC
Nominal input current at U<sub>N</sub>5 mA
Input current range2 … 7 mA

Technical data - Load circuit

Circuit type2-wire connection
Limiting continuous current0.2 A
Nominal output voltage24 VDC
Output voltage range3 … 60 VDC
Voltage drop≤ 1.5 VDC
Leakage current at rated voltage≤ 10 µA
Turn-on time≤ 30 µs
Turn-off time≤ 50 µs
Rise time (t<sub>10-90</sub>)19 µs
Drop-out time (t<sub>90-10</sub>)35 µs
Switching frequency≤ 4 kHz

Technical data - Signaling

Status indicatorRed LED

Safety and protection

Rated voltage300 V
Overvoltage categoryII
Pollution degree2
Dielectric strength (control/load circuit) (AC, 1 min)2.5 kVrms
Insulation type (control/load circuit)Basic insulation
Insulation type (adjacent devices)Reinforced insulation (safe isolation)
Insulation type (between adjacent devices of the same type)Reinforced insulation (safe isolation)
Insulation type (to adjacent devices of different types)Basic insulation
Protection typeIP20; in connected state or when using 859-525 end plate

Connection data

Connection technologyCAGE CLAMP®
Solid conductor0.2 … 2.5 mm² / 24 … 14 AWG
Fine-stranded conductor0.14 … 2.5 mm² / 26 … 14 AWG
Fine-stranded conductor; with insulated ferrule0.14 … 1.5 mm² / 26 … 16 AWG
Strip length5 … 6 mm / 0.2 … 0.24 inches

Physical data

Width6 mm / 0.236 inches
Height91 mm / 3.583 inches
Depth from upper-edge of DIN-rail56 mm / 2.205 inches

Mechanical data

Mounting typeDIN-35 rail
Mounting positionhorizontal (standing/lying); vertical

Material data

Note (material data)Information on material specifications can be found here
Colorgray
Insulation material (main housing)Polyamide (PA66)
Material groupI
Flammability class per UL94V0
Fire load0.313 MJ
Weight18.7 g

Environmental requirements

Ambient temperature (operation at U<sub>N</sub>)-40 … +70 °C
Ambient temperature UL (operation at U<sub>N</sub>)-40 … +40 °C
Ambient temperature (storage)-40 … +85 °C
Processing temperature-25 … +50 °C
Temperature range of connection cable≥ (Tambient + 20 K)
Relative humidity5 … 95 % (no condensation permissible)
Operating altitude (max.)2000 m

Standards and specifications

Standards/specificationsEN 61010-2-201, EN 61000-6-2, EN 61000-6-3, EN 50121-3-2, UL 508, ATEX

Commercial data

Product Group6 (INTERFACE ELECTRONIC)
PU (SPU)10 pcs
Packaging typeBox
Country of originDE
GTIN4055143606240
Customs tariff number85365005000

Product Classification

UNSPSC39121524
eCl@ss 10.027-26-15-03
eCl@ss 9.027-26-15-03
ETIM 9.0EC001504
ETIM 10.0EC001504
ECCNNO US CLASSIFICATION

Environmental Product Compliance

CAS-No.7439-92-1, 79-94-7
REACH Candidate List Substance2,2',6,6'-tetrabromo-4,4'-isopropylidenediphenol, Lead
RoHS Compliance StatusCompliant,With Exemption
RoHS Exemption6(c), 7(a), 7(c)-I, 7(c)-II
SCIP notification number (Austria)4837b560-d9b1-4cfe-a7d8-eb50c2dbbe34
SCIP notification number (Belgium)ce244fe2-831d-4838-ad8f-ac1f82b13030
SCIP notification number (Bulgaria)3c0a4c51-5401-4a31-9f5f-845915215ff4
SCIP notification number (Czech Republic)519fe424-d619-4e4c-876c-6216fc01e344
SCIP notification number (Denmark)29302a6b-fb9c-461b-a6a3-c9deab4c3df7
SCIP notification number (Finland)9c130c67-4c2d-4d66-9e1d-45ba2047f2c4
SCIP notification number (France)1e8f375b-9376-4cc1-82e4-e7b8d13e18d9
SCIP notification number (Germany)0a7f6c62-e075-4ba1-84a3-fe45b52f5185
SCIP notification number (Hungary)3595ed46-a2e5-45b8-8562-0ec555a5b91a
SCIP notification number (Italy)b913dfa1-a1ee-4858-93ff-40fe1f3dc068
SCIP notification number (Netherlands)c34396a6-197c-4331-a887-b6a5a1f554c3
SCIP notification number (Poland)3872d5c6-c77a-4f03-a340-6b7632263fda
SCIP notification number (Romania)3189f07e-3977-4dea-9517-3bf7517b4e35
SCIP notification number (Sweden)ea0d85d5-4d56-4b3c-99a2-f53442e691e4

859-791: frequently asked questions

When can 859-791 be shipped?

859-791 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 859-791 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 859-791 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 859-791, subject to availability and destination.

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Wago 859-791Price and lead time confirmed within 1 business day
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