Product Model

859-740

In Stock
Last updated: 2025/4/18
wago 859-740

Selling Points

  • 1High Isolation Performance: Ensures safe isolation between control and load circuits.
  • 2Wide Operating Temperature Range: Operates from -40°C to 70°C, suitable for various environments.
  • 3Compact Design: Measures 3.58 in H x 0.23 in W x 2.20 in D, ideal for DIN-35 rail mounting.
  • 4Fast Switching Times: Turn-on time ≤ 25 µs and turn-off time ≤ 450 µs for efficient signal processing.
  • 5Durable Construction: Features CAGE CLAMP connections and is RoHS compliant for long-lasting performance.
Product Details
859-740
wago

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Note
Optocouplers and solid state relays are designed for use in signal processing networks that are not supplied directly by the low-voltage power supply network.
Rated voltage
300V
Overvoltage category
II
Pollution degree
2
Dielectric strength (control/load circuit) (AC, 1?min)
2.5?kVrms
Insulation type (control/load circuit)
Basic insulation
Insulation type (between adjacent devices of the same type)
Reinforced insulation (safe isolation)
Insulation type (to adjacent devices of different types)
Basic insulation
Protection type
IP20; in connected state or when using 859-525 end plate
Connection technology
CAGE CLAMP?
Solid conductor
0.2 … 2.5?mm2?/ 24 … 14?AWG
Fine-stranded conductor
0.2 … 2.5?mm2?/ 24 … 14?AWG
Fine-stranded conductor; with insulated ferrule
0.2 … 1.5?mm2?/ 24 … 16?AWG
Fine-stranded conductor; with uninsulated ferrule
0.2 … 1.5?mm2?/ 24 … 16?AWG
Strip length
5 … 6?mm?/ 0.2 … 0.24?inches
Width
6?mm?/ 0.236?inches
Height
91?mm?/ 3.583?inches
Depth from upper-edge of DIN-rail
56?mm?/ 2.205?inches
Mounting type
DIN-35 rail
Mounting position
horizontal (standing/lying); vertical
Note (material data)
Information on material specifications can be found here
Color
gray
Insulation material (main housing)
Polyamide (PA66)
Material group
I
Flammability class per UL94
V0
Fire load
0.443MJ
Weight
18.5g
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 humidity
5 … 95?% (no condensation permissible)
Operating altitude (max.)
2000m
Standards/specifications
EN 61010-2-201
Product Group
6 (INTERFACE ELECTRONIC)
eCl@ss 10.0
27-26-15-03
eCl@ss 9.0
27-26-15-03
ETIM 9.0
EC001504
ETIM 8.0
EC001504
ECCN
NO US CLASSIFICATION
PU (SPU)
10?pcs
Packaging type
Box
Country of origin
CN
GTIN
4055143605427
Customs tariff number
8541500080
RoHS Compliance Status
Compliant,No Exemption
Nominal input voltage U<sub>N</sub>
DC?24?V
Input voltage range (low level)
DC?0 … 6.5?V
Input voltage range (high level)
DC?16 … 30?V
Nominal input current at U<sub>N</sub>
8?mA
Input current range
1 … 12?mA
Number of make/switch-on contacts
1
Circuit type
2-wire connection
Limiting continuous current
5.5?A
Peak output current
25A
Nominal output voltage
DC?24?V
Output voltage range
DC 3 … 30?V
Voltage drop
≤ 0.4?VDC
Leakage current at rated voltage
≤?10?μA
Turn-on time
≤?30?μs
Turn-off time
≤?100?μs
Rise time (t<sub>10-90</sub>)
16μs
Drop-out time (t<sub>90-10</sub>)
16μs
Switching frequency
≤?2.5?kHz
Status indicator
Yellow LED

Specifications may be subject to change without notice