Configure and monitor RTD sensors with the WAGO 2857-533 signal conditioner. Adjustable software filter and safe isolation.
Product Model2857-533
Product ID43539
Stock on Request
Last updated: 8/29/2026
Key Features
1
FeatureConfigurable RTD Factor
2
FeatureAdjustable Software Filter
3
FeatureSafe Three-Way Isolation
4
FeatureDiverse Input Compatibility
5
FeatureEasy Installation
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Note
This product is supplied with 24 VDC, which can be commoned using lateral push-in type jumper bars: (6.1) US+ (BR) and (6.2) GND 2 (BR). With this variant, it is necessary to ensure that the maximum permissible total current of 6 A is not exceeded.
Rated voltage
300V
Rated voltage of the measurement circuit connections per EN 61010-2-030
AC 300 V
Measurement category per EN/UL 61010-2-030
CAT II (input)
Note on insulation parameters
Temperature sensors are not intended for use in dangerous circuits, provided the external temperature sensors used do not have basic insulation in accordance with EN/UL 61010-1 (300 VAC; overvoltage category II; pollution degree 2).
Protection type
IP20
Connection technology
Push-in CAGE CLAMP®
WAGO connector
picoMAX® 5.0
Solid conductor
0.2 2.5 m㎡/ 24 12 AWG
Fine-stranded conductor
0.2 2.5 m㎡/ 24 12 AWG
Strip length
9 10 mm / 0.35 0.39 inches
Width
12.5 mm / 0.492 inches
Height
110 mm / 4.331 inches
Depth from upper-edge of DIN-rail
107 mm / 4.213 inches
Mounting type
DIN-35 rail
Fire load
1.573MJ
Weight
86.6g
Ambient temperature (operation)
-40 … +70 °C
Ambient temperature (storage)
-40 … 85 °C
Temperature range of connection cable
≤ (Tambient+ 10 K)
Temperature range of connection cable (UL)
80°C
Conformity marking
CE
EMC immunity to interference
EN 61000-6-2; EN 61326-2-3; EN 50121-3-2
EMC emission of interference
EN 61000-6-4; EN 61326-2-3; EN 50121-3-2
Standards/specifications
EN 61010-1
Product Group
6 (INTERFACE ELECTRONIC)
eCl@ss 10.0
27-37-18-10
eCl@ss 9.0
27-37-18-10
ETIM 9.0
EC001446
ETIM 8.0
EC001446
ECCN
NO US CLASSIFICATION
PU (SPU)
1 pcs
Packaging type
bag
Country of origin
DE
GTIN
4050821676973
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)
5dacf9f1-acec-4030-a576-2066861dd611
SCIP notification number (Belgium)
93a2e53f-f28c-4be6-803b-f05ac560dbc3
SCIP notification number (Bulgaria)
2674e09f-f188-47ca-907f-6da7555f3cbe
SCIP notification number (Czech Republic)
53482b4c-731d-46d7-978a-76349083b4ae
SCIP notification number (Denmark)
bd15bcb7-0805-48fd-804d-7c2b0575624e
SCIP notification number (Finland)
f95a8eb7-dda8-4f0f-a6a7-71055557790a
SCIP notification number (France)
a95114a5-e653-4a5c-9d8d-4217bd36673b
SCIP notification number (Germany)
5058fdd7-a366-4ffa-9b3b-8dc6348e2b84
SCIP notification number (Hungary)
53cffea9-5596-4742-9f5a-4a850f720b5b
SCIP notification number (Italy)
d49bce73-6715-4d98-b444-679711c15ee3
SCIP notification number (Netherlands)
0175bf0f-8d9e-4f18-afd7-43d4440d1d8d
SCIP notification number (Poland)
07e60571-bb7b-447a-90ca-0a5fc4588e2a
SCIP notification number (Romania)
b18f85a9-7d9d-48f3-824e-f73837ce0f15
SCIP notification number (Sweden)
e18be451-767b-4edb-abbc-451ebe189c33
Configuration options
DIP switch
Input signal type
Potentiometer
Sensor types (RTD)
Pt100
Sensor connection
2-wire; 3-wire; 4-wire; differential
Sensor power supply (RTD) max.
≤ 0.5 mA
Temperature measurement range (RTD)
-200 850 °C
Input range (resistor)
0 100 kΩ
Input range (potentiometer)
0 100 kΩ
Switching voltage (DO) max.
Supply voltage (applied): −0.3 V
Continuous current (DO) max.
100 mA (no internal restriction)
Number of switching thresholds (DO)
1 or 2 (adjustable)
Configurable rise/fall delay time (DO)
0 … 60 s (via software)
Dielectric strength (open contact) (AC, 1 min)
1 kVrms
Number of make/switch-on contacts
1
Contact material (relay)
AgNi + Au
Switching Voltage, Max.
AC 250 V
Pull-in time (typ.)
8ms
Drop-out time (typ.)
4ms
Bounce time (typ.)
8ms
Number of switching thresholds (relay)
1 or 2 (adjustable)
Configurable rise/fall delay time (relay)
0 … 60 s (via software)
Software filter (adjustable)
Moving average value (filter level: 30)
Hysteresis
Adjustable via DIP switch or software
Step response (typ.)
60 ms (2-wire); 360 ms (3-wire); 540 ms (4-wire); 360 ms (Potentiometer)
Transmission error (max.)
± 1 K
Temperature coefficient
≤ 0.01 %/K
Power supply type
24 VDC
Nominal supply voltage US
DC 24 V
Supply voltage range
±30 %
Current consumption at nominal supply voltage
≤ 40 mA (+ IDO)
Test voltage (input/relay output/supply)
4 kVAC; 60 Hz; 1 min
Test voltage (input/service interface)
3 kVAC; 60 Hz; 1 min
Test voltage (relay output/service interface)
4 kVAC; 60 Hz; 1 min
Test voltage (supply/service interface)
2.5 kVAC; 60 Hz; 1 min
Overvoltage category
II
Pollution degree
2
Insulation type (input, supply and service interface/relay output)
