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857-451
Data Sheet
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Wago 857-451 Data Sheet

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Page 1
Data sheet | Item number:857-451
Passive isolator, 1-channel; Current input signal; Current output signal; Power via input; 6 mm module width
857-451
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Page 2

Item description

Short description:
WAGO’s passive isolator (1‐channel) electrically isolates and filters 0(4)–20 mA standard analog signals, while drawing power for signal transmission from the input circuit. The connected sensor supplies the passive isolator with the required power to energize the connected load.
Characteristics:
No additional supply voltage required
Safe 2-way isolation with 2.5kV test voltage per EN 61140

Data

Technical Data

Configuration

Configuration options permanently configured

Input

Input signal type Current
Input signal, current 0 … 20mA;4 … 20mA
Voltage drop at input ≤2.5V (at 20 mA at the output)
Max. input current 40mA
Max. input voltage 20 V
Response threshold 200 µA

Output

Output signal type Current
Output signal current 0 … 20 mA; 4 … 20 mA
Load impedance (output/current) ≤600Ω (temperature range restrictions may occur)
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Signal processing
Max. operating frequency 100Hz
Step response typ. 3.5ms

Measurement error

Transmission error typ. ≤ 0.1 % of upper range value
Load error ≤ 0.05% (of the full scale value; per 100 Ω load)
Temperature coefficient ≤ 0.01 %/K

Power supply

Type of power supply passive (via input)

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

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 0.747 MJ
Weight 34.2 g

Environmental Requirements

Surrounding air (operating) temperature -25 … 70°C
Surrounding air (storage) temperature -40 … 85°C
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Page 4
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 4045454471323
Customs Tariff No. 85437090300

Approvals / Certificates

Ex-Approvals
Logo Approval Additional Approval Text Certificate name
IECEx
TUEV Nord Cert GmbH
IEC 60079-0 IECEX_TUN_14.0030_X
IECEx
TUEV Nord Cert GmbH
EN 60079-0 TÜV_14_ATEX_112692_X
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
857-451
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Page 5
Logo
Approval Additional Approval Text
Certificate name
UL
UL International Netherlands B.V. (ORDINARY LOCATIONS)
UL 508 E175199
Sec.4

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WMB marking card; as card; MARKED; 1 ... 10 (10x); not stretchable; Horizontal marking; snap-on type
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WMB marking card; as card; MARKED; 1 ... 10 (10x); not stretchable; Horizontal marking; snap-on type
793-502
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793-502
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Item no.: 793-502/000-023
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Item no.: 793-503
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793-503
Item no.: 793-503/000-002
WMB marking card; as card; MARKED; 11 ... 20 (10x); not stretchable; Horizontal marking; snap-on type
793-503
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Item no.: 793-503/000-005
WMB marking card; as card; MARKED; 11 ... 20 (10x); not stretchable; Horizontal marking; snap-on type
793-503
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Item no.: 793-503/000-006
WMB marking card; as card; MARKED; 11 ... 20 (10x); not stretchable; Horizontal marking; snap-on type
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WMB marking card; as card; MARKED; 11 ... 20 (10x); not stretchable; Horizontal marking; snap-on type
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793-504
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Item no.: 793-504/000-005
WMB marking card; as card; MARKED; 21 ... 30 (10x); not stretchable; Horizontal marking; snap-on type
793-504
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Item no.: 793-504/000-006
WMB marking card; as card; MARKED; 21 ... 30 (10x); not stretchable; Horizontal marking; snap-on type
793-504
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Item no.: 793-504/000-012
WMB marking card; as card; MARKED; 21 ... 30 (10x); not stretchable; Horizontal marking; snap-on type
793-504
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Page 9
Item no.: 793-5501 WMB marking card; as card; for terminal block width 5 - 17.5 mm; stretchable 5 - 5.2 mm; plain; snap-on type
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
/000-002
Item no.: 793-5501/000-005 WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
/000-005
Item no.: 793-5501/000-006 WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
/000-006
Item no.: 793-5501/000-007 WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
/000-007
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
/000-014
Item no.: 793-5501/000-017 WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
/000-017
Item no.: 793-5501/000-023 WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
/000-023
Item no.: 793-5501/000-024 WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
/000-024
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WMB marking card; as card; MARKED; 1 ... 50 (2x); not stretchable; Horizontal marking; snap-on type
793-566
Item no.: 793-566/000-002
WMB marking card; as card; MARKED; 1 ... 50 (2x); not stretchable; Horizontal marking; snap-on type
793-566
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Item no.: 793-566/000-005
WMB marking card; as card; MARKED; 1 ... 50 (2x); not stretchable; Horizontal marking; snap-on type
793-566
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Item no.: 793-566/000-006
WMB marking card; as card; MARKED; 1 ... 50 (2x); not stretchable; Horizontal marking; snap-on type
793-566
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Item no.: 793-566/000-007
WMB marking card; as card; MARKED; 1 ... 50 (2x); not stretchable; Horizontal marking; snap-on type
793-566
/000-007
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Page 10
Item no.: 793-566/000-012
WMB marking card; as card; MARKED; 1 ... 50 (2x); not stretchable; Horizontal marking; snap-on type
793-566
/000-012
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
General accessories
Item no.: 857-979
Supply and through module
857-979
Jumper
Item no.: 281-482
Comb-style jumper bar; insulated; 2-way; IN = IN terminal block
281-482
Item no.: 859-402
Push-in type jumper bar; 2-way; Nominal current 18 A; insulated
859-402
Item no.: 859-402/000-005
Push-in type jumper bar; 2-way; Nominal current 18 A; insulated
859-402
/000-005
Item no.: 859-402/000-006
Push-in type jumper bar; 2-way; Nominal current 18 A; insulated
859-402
/000-006
Item no.: 859-402/000-029
Push-in type jumper bar; 2-way; Nominal current 18 A; insulated
859-402
/000-029
Item no.: 859-403
Push-in type jumper bar; 3-way; Nominal current 18 A; insulated
859-403
Item no.: 859-403/000-005
Push-in type jumper bar; 3-way; Nominal current 18 A; insulated
859-403
/000-005
Item no.: 859-403/000-006
Push-in type jumper bar; 3-way; Nominal current 18 A; insulated
859-403
/000-006
Item no.: 859-403/000-029
Push-in type jumper bar; 3-way; Nominal current 18 A; insulated
859-403
/000-029
Item no.: 859-404
Push-in type jumper bar; 4-way; Nominal current 18 A; insulated
859-404
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Page 11
Item no.: 859-404/000-005
Push-in type jumper bar; 4-way; Nominal current 18 A; insulated
859-404
/000-005
Item no.: 859-404/000-006
Push-in type jumper bar; 4-way; Nominal current 18 A; insulated
859-404
/000-006
Item no.: 859-404/000-029
Push-in type jumper bar; 4-way; Nominal current 18 A; insulated
859-404
/000-029
Item no.: 859-405
Push-in type jumper bar; 5-way; Nominal current 18 A; insulated
859-405
Item no.: 859-405/000-005
Push-in type jumper bar; 5-way; Nominal current 18 A; insulated
859-405
/000-005
Item no.: 859-405/000-006
Push-in type jumper bar; 5-way; Nominal current 18 A; insulated
859-405
/000-006
Item no.: 859-405/000-029
Push-in type jumper bar; 5-way; Nominal current 18 A; insulated
859-405
/000-029
Item no.: 859-406
Push-in type jumper bar; 6-way; Nominal current 18 A; insulated
859-406
Item no.: 859-406/000-005
Push-in type jumper bar; 6-way; Nominal current 18 A; insulated
859-406
/000-005
Item no.: 859-406/000-006
Push-in type jumper bar; 6-way; Nominal current 18 A; insulated
859-406
/000-006
Item no.: 859-406/000-029
Push-in type jumper bar; 6-way; Nominal current 18 A; insulated
859-406
/000-029
Item no.: 859-407
Push-in type jumper bar; 7-way; Nominal current 18 A; insulated
859-407
Item no.: 859-407/000-005
Push-in type jumper bar; 7-way; Nominal current 18 A; insulated
859-407
/000-005
Item no.: 859-407/000-006
Push-in type jumper bar; 7-way; Nominal current 18 A; insulated
859-407
/000-006
Item no.: 859-407/000-029
Push-in type jumper bar; 7-way; Nominal current 18 A; insulated
859-407
/000-029
857-451
02.05.2019Page /11 13
Page 12
Item no.: 859-408
Push-in type jumper bar; 8-way; Nominal current 18 A; insulated
859-408
Item no.: 859-408/000-005
Push-in type jumper bar; 8-way; Nominal current 18 A; insulated
859-408
/000-005
Item no.: 859-408/000-006
Push-in type jumper bar; 8-way; Nominal current 18 A; insulated
859-408
/000-006
Item no.: 859-408/000-029
Push-in type jumper bar; 8-way; Nominal current 18 A; insulated
859-408
/000-029
Item no.: 859-409
Push-in type jumper bar; 9-way; Nominal current 18 A; insulated
859-409
Item no.: 859-409/000-005
Push-in type jumper bar; 9-way; Nominal current 18 A; insulated
859-409
/000-005
Item no.: 859-409/000-006
Push-in type jumper bar; 9-way; Nominal current 18 A; insulated
859-409
/000-006
Item no.: 859-409/000-029
Push-in type jumper bar; 9-way; Nominal current 18 A; insulated
859-409
/000-029
Item no.: 859-410
Push-in type jumper bar; 10-way; Nominal current 18 A; insulated
859-410
Item no.: 859-410/000-005
Push-in type jumper bar; 10-way; Nominal current 18 A; insulated
859-410
/000-005
Item no.: 859-410/000-006
Push-in type jumper bar; 10-way; Nominal current 18 A; insulated
859-410
/000-006
Item no.: 859-410/000-029
Push-in type jumper bar; 10-way; Nominal current 18 A; insulated
859-410
/000-029
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
tools
Item no.: 210-720
Operating tool with partially insulated shaft; Type 2, blade (3.5 x 0.5) mm
210-720
857-451
02.05.2019Page /12 13
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Data sheet | Item number:857-451
Downloads

Documentation

Bid Text
857-451 Trennverstärker,
Mar 9, 2016 doc
30.2 kB
Download
Instruction Leaflet
Measurement Transducer and Isolation Amplifier Passive isolator 1-channel
pdf
1.7 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 857-451 URL Download
857-451
Subject to changes.
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