Product Model

857-820

In Stock
Last updated: 2025/4/17
wago 857-820

Selling Points

  • 1Configurable via DIP Switch: Easily adjust settings to suit various temperature measurement needs.
  • 2Wide Compatibility: Supports all standard KTY sensors for broad application flexibility.
  • 3Robust IP20 Protection: Ensures reliable operation in harsh industrial environments.
  • 4Analog Output Options: Converts temperature signals to standard analog signals (0-10mA, 2-10mA, 0-20mA, 4-20mA, 0-5Vdc, 1-5Vdc, 0-10Vdc).
  • 5Compact Design: Mounts easily on DIN-35 rail with a width of just 6mm, making it space-efficient in control panels.
Product Details
857-820
wago

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
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
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
Color
light gray
Insulation material (main housing)
Polyamide (PA66)
Flammability class per UL94
V0
Fire load
0.418MJ
Weight
35.5g
Ambient temperature (operation)
-25 … +70 °C
Ambient temperature (storage)
-40 … +85 °C
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
27-21-01-29
eCl@ss 9.0
27-21-01-20
ETIM 9.0
EC002919
ETIM 8.0
EC002919
ECCN
NO US CLASSIFICATION
PU (SPU)
1?pcs
Packaging type
bag
Country of origin
DE
GTIN
4050821053002
Customs tariff number
8543704500
CAS-No.
1303-86-2
REACH Candidate List Substance
2,2',6,6'-tetrabromo-4,4'-isopropylidenediphenol
RoHS Compliance Status
Compliant,With Exemption
RoHS Exemption
6(c)
SCIP notification number (Austria)
34941bc9-8e48-46c9-a7b2-4825f5329246
SCIP notification number (Belgium)
75a377f0-35a3-4b2e-b165-bce77bd274cc
SCIP notification number (Bulgaria)
5cf1a5be-e025-43b0-825a-1b18a8f7f565
SCIP notification number (Czech Republic)
bdb21d8c-e1b4-4b2d-9bfa-0c6300dbc530
SCIP notification number (Denmark)
095db8cb-41af-4e82-af2d-44fdbf1dd68e
SCIP notification number (Finland)
cc1af7e7-ac8e-4237-9b82-3be1333c8700
SCIP notification number (France)
2c3fa22b-66cf-465e-924f-b8524df6b7d3
SCIP notification number (Germany)
4e95591a-ceaf-4f18-a2eb-555acfd521ee
SCIP notification number (Hungary)
40a070aa-3e73-4134-802a-93e9ee82407c
SCIP notification number (Italy)
8848a2d7-75d7-4e9e-9370-a97d25b26a7c
SCIP notification number (Netherlands)
e1443cd2-bc18-43af-bdba-091fbfcb17ce
SCIP notification number (Poland)
f67dea86-39d8-4962-9e6f-233cd0e10f47
SCIP notification number (Romania)
0d661d8e-e744-421d-ab87-6acc1b302ed5
SCIP notification number (Sweden)
9854cc75-067c-44e6-9b84-fc9b27e877de
Configuration options
DIP switch
Input signal type
KTY sensors
Input voltage (max.)
±30?VDC
Sensor types (KTY)
KTY81-110
Sensor connection
2-wire
Output signal type
Current
Output signal (V)
0 … 5?V
Output signal (A)
0 … 10?mA
Load impedance (voltage output)
≥?2?kΩ
Load impedance (current output)
≤?600?Ω
Switching voltage (DO) max.
Supply voltage applied
Continuous current (DO) max.
100?mA (no internal restriction)
Step response (typ.)
50?ms
Transmission error (typ.)
≤ 0.1 % of upper-range value
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
≤?40?mA?(+ IDO)
Test voltage (input/output/supply)
AC 2.5?kV;?50?Hz;?1?min

Specifications may be subject to change without notice