Product Model

855-951/250-000

In Stock
Last updated: 2025/4/17
wago 855-951/250-000

Selling Points

  • 1Accurate Power Measurement: Measures current with a 250A/1A ratio for precise power data.
  • 2Easy Installation: Simply insert the tap into the jumper slot of a 95 mm² (4/0 AWG) through terminal block.
  • 3Integrated Current Transformer: Includes a built-in 250A/1A current transformer for seamless integration.
  • 4Fuse-Protected Voltage Path: Ensures downstream measurement devices are protected from voltage surges.
  • 5High Accuracy Class 0.5: Complies with accuracy class 0.5 for exact measurement results.
Product Details
855-951/250-000
wago

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Note
Suitable for 2-conductor through terminal blocks for DIN-rail mounting (285-195; 285-194)
Overvoltage category
III
Pollution degree
2
Protection type
IP20
Test voltage
AC 3?kV;?50?Hz;?1?min
Highest voltage for equipment U<sub>m</sub>
AC 720?Vrms
Feedthrough for measurement conductor
? ≤ 16 mm
Width
25?mm?/ 0.984?inches
Height
73?mm?/ 2.874?inches
Depth
58?mm?/ 2.283?inches
Mounting type
via 2-conductor high-current through terminal block's jumper slot
Housing material
PA 66
Fire load
0.116MJ
Weight
98g
Ambient temperature (operation)
-25 … +70 °C
Ambient temperature (storage)
-25 … +70 °C
Relative humidity
5 … 85?% (without condensation)
Operating altitude (max.)
2000m
Conformity marking
CE
Standards/specifications
EN 61869-2
eCl@ss 10.0
27-21-09-02
eCl@ss 9.0
27-21-09-02
ETIM 9.0
EC002048
ETIM 8.0
EC002048
ECCN
NO US CLASSIFICATION
PU (SPU)
1?pcs
Packaging type
Box
Country of origin
NL
Customs tariff number
85043180888
RoHS Compliance Status
Compliant,No Exemption
Measured variable
Voltage
Rated continuous thermal current I<sub>cth</sub>
250?A
Rated short-time thermal current I<sub>th</sub>
15 kA / 1 s
Rated surge current I<sub>dyn</sub>
37.5?kA
Rated frequency
50 … 60?Hz
Secondary rated current
1A
Rated power S<sub>r</sub>
0.2VA
Fuse (voltage path)
2 A; 450 V; F; 70 kA; 5 x 25 mm (WAGO 855-8020)
Rated voltage
AC 400?V
Accuracy class
0.5
Connection type 1
Current output
Connection technology
Push-in CAGE CLAMP?
WAGO connector
WAGO 250 Series
Strip length
8.5 … 9.5 mm / 0.33 … 0.37 inches
Solid conductor
0.2 … 1.5 mm2 / 24 … 16 AWG
Fine-stranded conductor
0.2 … 1.5 mm2 / 24 … 16 AWG
Connection type 2
Voltage output
Connection technology 2
Push-in CAGE CLAMP?
WAGO connector 2
WAGO 2624 Series
Strip length 2
10 … 12 mm / 0.39 … 0.47 inches
Solid conductor 2
0.2 … 6 mm2 / 24 … 10 AWG
Fine-stranded conductor 2
0.2 … 6 mm2 / 24 … 10 AWG

Specifications may be subject to change without notice