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857-423
Data Sheet
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Wago 857-423 Data Sheet

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Page 1
Data sheet | Item number:857-423
Isolation amplifier; Current and voltage input signal; 2 x current output signal; Supply voltage: 24 VDC; 6 mm module width
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Page 2

Item description

Short description:
The signal splitter converts, amplifies, filters and electrically isolates analog standard signals.
Features:
Two configurable current outputs
Switching between measuring ranges is calibrated
Switchable max. operating frequency
Safe 4-way isolation with 2.5 kV test voltage per EN 61140

Data

Technical Data

Configuration

Configuration options DIP switches
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Input

Input signal type Voltage
Current
Input signal voltage 0 … 5V;1 … 5V;0 … 10V (calibrated configurable signals)
Input signal, current 0 … 20mA;4 … 20mA (calibrated configurable signals)
Input resistance (intput/current) ≤50Ω
Input resistance (input/voltage) ≥100kΩ

Output

Output signal type Current
Output signal current 0 … 20 mA; 4 … 20 mA (calibrated switchable)
Load impedance (output/current) ≤300Ω

Signal processing

Max. operating frequency 100Hz/ 1kHz (configurable via DIP switch)
Step response typ. 3.5ms (100 Hz);300µs (1 kHz)

Measurement error

Transmission error typ. ≤ 0.1 % of upper range value
Transmission error max. ≤ 0.2 % of upper range value
Temperature coefficient ≤ 0.01 %/K

Power supply

Type of power supply 24 VDC
Nominal supply voltage U
S
DC24V
Supply voltage range ±30%
Current consumption at supply voltage ≤35mA

Safety and protection:

Test voltage (input/output/supply) AC 2.5kV;50Hz;1min
Protection class IP20

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inch
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Geometrical Data
Width 6mm/ 0.236inch
Height from upper-edge of DIN-35 rail 97.8mm/ 3.85inch
Depth 94mm/ 3.701inch

Mechanical data

Type of mounting DIN-35 rail

Material Data

Color light gray
Fire load 0.849 MJ
Weight 40.604 g

Environmental Requirements

Surrounding air (operating) temperature -25 … 70°C
Surrounding air (storage) temperature -40 … 85°C

Standards and specifications

Conformity marking 1
EMC immunity to interference EN 61000-6-2
EMC emission of interference EN 61000-6-4

Commercial data

Product Group 6 (Interface Electronics)
Country of origin DE
GTIN 4045454471316
Customs Tariff No. 85437090300

Approvals / Certificates

Ex-Approvals
Logo Approval Additional Approval Text Certificate name
IECEx
TUEV Nord Cert GmbH
EN 60079-0 TÜV_14_ATEX_112692_X
IECEx
TUEV Nord Cert GmbH
IEC 60079-0 IECEX_TUN_14.0030_X
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Ship Approvals
Logo Approval Additional Approval Text
Certificate name
BV
Bureau Veritas S.A.
- 40179_A0
DNV GL
Det Norske Veritas, Germanischer Lloyd
- TAA00001D1
NK
Nippon Kaiji Kyokai
- TA17255M
PRS
Polski Rejestr Statków
- TE/2186 /880590/18
UL-Approvals
Logo Approval Additional Approval Text
Certificate name
UL
UL International Netherlands B.V. (ORDINARY LOCATIONS)
UL 508 E175199
Sec.4

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Page 9
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Page 10
Item no.: 793-503
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Item no.: 793-503/000-002
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Item no.: 793-503/000-005
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793-503
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793-503
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02.05.2019Page /10 14
Page 11
Item no.: 793-504/000-023
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793-506
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Item no.: 793-506/000-017
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793-506
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793-5501
Item no.: 793-5501/000-002 WMB marking card; as card; for terminal block width 5 - 17.5 mm; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
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Item no.: 793-5501/000-005 WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
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Item no.: 793-5501/000-006 WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
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02.05.2019Page /11 14
Page 12
Item no.: 793-5501/000-007 WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
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Item no.: 793-5501/000-012 WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
/000-012
Item no.: 793-5501/000-014 WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
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Item no.: 793-5501/000-017 WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
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793-5501
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Item no.: 793-5501/000-024 WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
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793-566
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793-566
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793-566
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793-566
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793-566
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WMB marking card; as card; MARKED; 1 ... 50 (2x); not stretchable; Horizontal marking; snap-on type
793-566
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Item no.: 793-566/000-017
WMB marking card; as card; MARKED; 1 ... 50 (2x); not stretchable; Horizontal marking; snap-on type
793-566
/000-017
Item no.: 793-566/000-023
WMB marking card; as card; MARKED; 1 ... 50 (2x); not stretchable; Horizontal marking; snap-on type
793-566
/000-023
Item no.: 793-566/000-024
WMB marking card; as card; MARKED; 1 ... 50 (2x); not stretchable; Horizontal marking; snap-on type
793-566
/000-024
857-423
02.05.2019Page /12 14
Page 13
assembling
Item no.: 249-116
Screwless end stop; 6 mm wide; for DIN-rail 35 x 15 and 35 x 7.5
249-116
Item no.: 249-117
Screwless end stop; 10 mm wide; for DIN-rail 35 x 15 and 35 x 7.5
249-117
Item no.: 249-197
Screwless end stop; 14 mm wide; for DIN-rail 35 x 15 and 35 x 7.5
249-197
General accessories
Item no.: 857-979
Supply and through module
857-979
transfer module
Item no.: 857-980
Interface adapter; 16-pole; analog
857-980
tools
Item no.: 210-720
Operating tool with partially insulated shaft; Type 2, blade (3.5 x 0.5) mm
210-720
power supply
Item no.: 787-2852 Switched-mode power supply; for JUMPFLEX® Signal Conditioners; 1-phase; 24 VDC output voltage; 1 A output current
787-2852

Downloads

Documentation

Bid Text
857-423 Trennverstärker,
Mar 9, 2016 doc
30.2 kB
Download
Instruction Leaflet
Signal Conditioners and Isolation Amps Signal splitter Configurable, 2 current outputs
pdf
1.8 MB
Download
Additional Information
Disposal; Electrical and electronic equipment, Packaging V 1.0.0 pdf
265.8 kB
Download

CAD/CAE - Smart Data

CAD data
3D Download 857-423 URL Download
857-423
02.05.2019Page /13 14
Page 14
Data sheet | Item number:857-423
857-423
Subject to changes.
02.05.2019Page /14 14
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