Product Model

857-423

In Stock
Last updated: 2025/4/17
wago 857-423

Selling Points

  • 10.1% output accuracy ensures precise signal processing.
  • 2Two current outputs for flexible signal conditioning.
  • 32.5kV test voltage to EN 61140 for safe electrical isolation.
  • 46mm module width for easy DIN rail mounting.
  • 5Supports 0-20mA, 4-20mA, 0-5V, and 1-5V input signals.
Product Details
857-423
wago

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Note
Use shielded signal lines!Only use shielded signal lines for analog input and output signals.Only then can you ensure that the accuracy and interference immunity specified for the device can be achieved, even in the presence of interference acting on the signal cable.
Rated voltage
300V
Protection type
IP20
Connection technology
Push-in CAGE CLAMP?
Solid conductor
0.08 … 2.5?mm2?/ 28 … 14?AWG
Fine-stranded conductor
0.34 … 2.5?mm2?/ 22 … 14?AWG
Strip length
9 … 10?mm?/ 0.35 … 0.39?inches
Cable type
Shielded cable
Width
6?mm?/ 0.236?inches
Height
94?mm?/ 3.701?inches
Depth from upper-edge of DIN-rail
97.8?mm?/ 3.85?inches
Mounting type
DIN-35 rail
Insulation material (main housing)
Polyamide (PA66)
Flammability class per UL94
V0
Fire load
0.363MJ
Weight
40.6g
Ambient temperature (operation)
-25 … +70 °C
Ambient temperature (storage)
-40 … +85 °C
Processing temperature
-25 … +50 °C
Temperature range of connection cable
≥ (Tambient+ 10 K)
Relative humidity
5 … 95?% (no condensation permissible)
Operating altitude (max.)
2000m
Conformity marking
CE
EMC immunity to interference
EN 61000-6-2
EMC emission of interference
EN 61000-6-4
Standards/specifications
DNV
Product Group
6 (INTERFACE ELECTRONIC)
eCl@ss 10.0
27-21-01-20
eCl@ss 9.0
27-21-01-20
ETIM 9.0
EC002653
ETIM 8.0
EC002653
ECCN
NO US CLASSIFICATION
PU (SPU)
1?pcs
Packaging type
bag
Country of origin
DE
GTIN
4045454471316
Customs tariff number
8543704500
CAS-No.
1303-86-2
REACH Candidate List Substance
Diboron trioxide
RoHS Compliance Status
Compliant,With Exemption
RoHS Exemption
6(c)
SCIP notification number (Austria)
f3bd2dd6-8897-4727-8817-eb8fa4f61833
SCIP notification number (Belgium)
6461991f-6733-4ab1-96d8-363c4c0ad2d1
SCIP notification number (Bulgaria)
0909499e-b080-4fb2-838b-98acad664bd1
SCIP notification number (Czech Republic)
9cb4d383-a36c-4264-be61-624a74c1699b
SCIP notification number (Denmark)
3e5537a9-59e8-4490-96fc-80cc1df749cf
SCIP notification number (Finland)
77584296-15bf-4327-bfa4-a92bdb8232ef
SCIP notification number (France)
a3a6bac3-78ac-411b-a7ae-18317cb7da7a
SCIP notification number (Germany)
1aac8de7-6254-4741-923d-9ee0f0d08019
SCIP notification number (Hungary)
0529448d-a98e-4ab8-8359-594effec587a
SCIP notification number (Italy)
52b6c194-a8eb-4660-9154-c8c6e3105cfe
SCIP notification number (Netherlands)
49bf022e-ca61-4f49-9ce1-2614f036ad4d
SCIP notification number (Poland)
85edb9a3-3ac3-4dab-b3a5-499070b23c99
SCIP notification number (Romania)
5acb356f-906f-48b0-84d7-748ba0bfdc2e
SCIP notification number (Sweden)
ac6b507e-39a6-4f8d-9254-a4f1bb9e7bfc
Configuration options
DIP switch
Input signal type
Voltage
Input signal (V)
0 … 5?V
Input signal (A)
0 … 20?mA
Input resistance (current input)
≤?50?Ω
Input resistance (voltage input)
≥?100?kΩ
Output signal type
Current
Output signal (A)
0 … 20?mA
Load impedance (current output)
≤?300?Ωper channel
Limit frequency
100?Hz?/ 1?kHz (configurable via DIP switch)
Step response (typ.)
3.5?ms (100?Hz);?300?μs (1?kHz)
Transmission error (typ.)
≤ 0.1 % of upper-range value
Transmission error (max.)
≤ 0.2 % of upper-range value
Transmission error (under interference)
≤ 10 %
Temperature coefficient
≤ 0.01 %/K
Power supply type
24?VDC
Nominal supply voltage U<sub>S</sub>
DC?24?V
Supply voltage range
±30?%
Current consumption at nominal supply voltage
≤?35?mA
Test voltage (input/output/supply)
AC 3 kV; 50 Hz; 1 min
Overvoltage category
II
Pollution degree
2
Insulation type (input/analog output1/analog output 2/supply)
Reinforced insulation (safe isolation)

Specifications may be subject to change without notice