Wago

857-403

Isolation amplifier; Current and voltage input signal; Bipolar current and voltage output signal; Configuration via DIP switch; Supply voltage: 24 VDC; 6 mm module width; 2,50 mm²
857-403
857-403
857-403
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Additional Information

Part Number
857-403
UPC
4055144057850
Tariff Code
85437090300
ETIM
Group Code : EG000026
Group Description : Sensors
Class Description : Isolation amplifier
Class Code : EC002653
Version : 7

Output (Analog)

Output signal type
Current || Voltage
Output signal (voltage)
± 5 V; 0 … 5 V; 1 … 5 V; ± 10 V; 0 … 10 V; 2 … 10 V
Output signal (current)
±10 mA; 0 … 10 mA; 2 … 10 mA; ±20 mA; 0 … 20 mA; 4 … 20 mA
Load impedance (voltage output)
≥ 2 kΩ
Load impedance (current output)
≤ 600 Ω

Signal Processing

Limit frequency
100 Hz / 5 kHz (configurable via DIP switch)
Step response (typ.)
3.5 ms (100 Hz); 100 µs (5 kHz)

Configuration

Configuration options
DIP switch

Environmental Requirements

Ambient temperature (operation)
-25 … +70 °C
Ambient temperature (storage)
-40 … +85 °C
Relative humidity
5 … 95 % (no condensation permissible)
Operating altitude (max.)
2000 m

Connection Data

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

Signaling And Communication

Configuration options
DIP switch
Input signal (voltage)
±60 mV; 0 … 60 mV; ±100 mV; 0 … 100 mV; ±150 mV; 0 … 150 mV; ±300 mV; 0 … 300 mV; ±500 mV; 0 … 500 mV; ±1 V; 0 … 1 V; ±5 V; 0 … 5 V; 1 … 5 V; ±10 V; 0 … 10 V; 2 … 10 V; ±100 V; 0 … 100 V; ±200 V; 0 … 200 V

Supply

Power supply type
24 VDC
Nominal supply voltage US
DC 24 V
Supply voltage range
±30 %
Current consumption at nominal supply voltage
≤ 40 mA

Physical Data

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

Measurement Error

Transmission error (typ.)
≤ 0.08 % of upper-range value
Temperature coefficient
≤ 0.01 %/K

Material Data

Fire load
0.191 MJ
Weight
39.892 g

Input

Input signal type
Voltage (DC) || Current (DC)
Input signal (voltage)
±60 mV; 0 … 60 mV; ±100 mV; 0 … 100 mV; ±150 mV; 0 … 150 mV; ±300 mV; 0 … 300 mV; ±500 mV; 0 … 500 mV; ±1 V; 0 … 1 V; ±5 V; 0 … 5 V; 1 … 5 V; ±10 V; 0 … 10 V; 2 … 10 V; ±100 V; 0 … 100 V; ±200 V; 0 … 200 V
Input signal (current)
±0.3 mA; 0 … 0.3 mA; ±1 mA; 0 … 1 mA; ±5 mA; 0 … 5 mA; ±10 mA; 0 … 10 mA; 2 … 10 mA; ±20 mA; 0 … 20 mA; 4 … 20 mA; ±50 mA; 0 … 50 mA; ±100 mA; 0 … 100 mA
Input resistance (current input)
10 Ω (≥ 5 mA); 100 Ω (≤ 5 mA)
Input resistance (voltage input)
1 MΩ

Standards And Specifications

Conformity marking
CE
EMC immunity to interference
EN 61000-6-2
EMC emission of interference
EN 61000-6-4
Standards/specifications
EN 61010-1

Mechanical Data

Mounting type
DIN-35 rail

Specifications

Product Group Code
0006

Commercial Data

Packaging type
Bag
Country of origin
DE
GTIN
4055144057850
Customs tariff number
85437090300

Notes

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.

Test Voltage

Test voltage (input/output/supply)
AC 3 kV; 50 Hz; 1 min

Insulation Parameters

Insulation type (input/supply and analog output/relay output)
Reinforced insulation (safe isolation)

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