The WAGO 857-424 isolation amplifier converts, amplifies, filters, and electrically isolates standard analog signals with configurable voltage/current outputs.
Product Model857-424
Product ID46632
Stock on Request
Last updated: 8/29/2026
Key Features
1
FeatureDual configurable voltage/current outputs
2
FeatureSafe 4-way isolation with 3 kV test voltage per EN 61010-1
3
FeatureConfigurable limit frequency via DIP switches
4
FeatureHigh accuracy with measurement error ≤ 0.1 % of upper range value
5
FeatureCompact design with 6 mm module width and DIN-35 rail mounting
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
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
Measurement category per EN/UL 61010-2-030
CAT II (input)
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 m㎡/ 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
0.013MJ
Weight
42g
Ambient temperature (operation)
-40 … +70 °C (Individual arrangement; ?40 … +50 °C (block arrangement))
Ambient temperature (storage)
-40 … 85 °C
Processing temperature
-25 … +50 °C
Temperature range of connection cable
≤ (Tambient+ 10 K)
Temperature range of connection cable (UL)
75°C
Relative humidity
5 95 % (non-condensing)
Operating altitude (max.)
2000m
Conformity marking
CE
EMC immunity to interference
EN 61000-6-2; EN 61326-1; EN 50121-3-2
EMC emission of interference
EN 61000-6-3; EN 61326-1; EN 50121-3-2
Standards/specifications
EN 61010-1
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
4055143595476
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)
20ff4e13-c0c9-4a74-b2cf-15a295ca8e56
SCIP notification number (Belgium)
3ba48a62-5e30-4a87-8bab-6ef1cc940417
SCIP notification number (Bulgaria)
cc19b314-8dc8-4533-a619-bb5d1675c55d
SCIP notification number (Czech Republic)
8c5e008b-53c5-482f-a3af-caacba45ef35
SCIP notification number (Denmark)
975066ac-f476-426b-9150-59f316b9a26a
SCIP notification number (Finland)
c19ee770-a5c7-4a8a-aa92-286b93a6362d
SCIP notification number (France)
689b2ee7-0a3e-4f20-ad2c-38c625e92875
SCIP notification number (Germany)
a9b66183-4d24-4f12-9fe9-cacbf2b0dc9a
SCIP notification number (Hungary)
e1a182d3-453d-46fa-8dde-fca3c8f3c06b
SCIP notification number (Italy)
68f65705-4017-4052-af20-4a8ab72a31ee
SCIP notification number (Netherlands)
626ace7d-afda-43d4-8eea-41c485284027
SCIP notification number (Poland)
5e15599a-8f67-4492-8627-517d77c7f6a2
SCIP notification number (Romania)
8f949544-768f-44a9-a4e6-e617d0f0b22b
SCIP notification number (Sweden)
444692de-f7c7-4ea3-bd3d-de5a8e18617e
Configuration options
DIP switch
Input signal type
Voltage
Input signal (V)
0 5 V
Input signal (A)
0 10 mA
Input resistance (current input)
≤ 50 Ω
Input resistance (voltage input)
≤ 100 kΩ
Input current (max.)
50 mA
Input voltage (max.)
30 V
Output signal type
Voltage
Output signal (V)
2 10 V
Output signal (A)
0 10 mA
Load impedance (voltage output)
≤ 2 kΩ (per channel)
Load impedance (current output)
≤ 600 Ωper channel
Limit frequency
100 Hz?/ 1 KHz (configurable via DIP switch)
Step response (typ.)
5.2 ms (100 Hz);?650 µs (1 KHz)
Transmission error (typ.)
≤ 0.1 % of upper-range value
Temperature coefficient
≤ 0.01 %/K
Power supply type
24 VDC (SELV)
Nominal supply voltage US
DC 24 V
Supply voltage range
-60 +30 %
Current consumption (default)
< 27 mA
Current consumption (max.)
< 250 mA (2 x Iout20 mA; Load impedance: 600 Ω; Us: 9.6 V)
Test voltage (input/analog output 1/analog output 2/supply)
3 kVAC; 50 60 Hz; 1 min
Overvoltage category
II
Pollution degree
2
Insulation type (input/analog output1/analog output 2/supply)
