855-305/250-509

Name: 855-305/250-509
Brand: WAGO
SKU: 855-305/250-509

A high-accuracy plug-in current transformer ideal for energy measurement, with a primary rated current of 250 A and secondary rated current of 5 A.

Product Model855-305/250-509

Product ID39410

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
FeatureHigh Accuracy
2
FeatureCompact Design
3
FeatureReliable Performance
4
FeatureEase of Use
5
FeatureVersatile Application
6

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Test voltage

AC 6 kV; 50 Hz; 1 min

Highest voltage for equipment Um

AC 1.2 kVrms

Feedthrough for measurement conductor

Ø 26 mm

Width

60 mm / 2.362 inches

Height

80.9 mm / 3.185 inches

Depth

52 mm / 2.047 inches

FeatureHigh Accuracy

FeatureCompact Design

FeatureReliable Performance

FeatureEase of Use

FeatureVersatile Application

Mounting type

Closed current transformer

Insulation class

Weight

230g

Ambient temperature (operation)

-5 … +50 °C

Ambient temperature (storage)

-25 … +70 °C

Operating altitude (max.)

1000m

Conformity marking

Standards/specifications

EN 61869-1

ETIM 9.0

EC002048

ETIM 8.0

EC002048

ECCN

NO US CLASSIFICATION

PU (SPU)

1 pcs

Packaging type

Box

Country of origin

Customs tariff number

85043129900

RoHS Compliance Status

Compliant,No Exemption

Measured variable

Current

Rated continuous thermal current Icth

AC 1.2 x IN

Rated short-time thermal current Ith

60 x IN/ 1 s (max. 100 kA / 1 s)

Overcurrent limiting factor

FS5 / FS10 (type dependent; see type plate inscription)

Rated frequency

50 … 60 Hz

Primary rated current

250 A

Secondary rated current

Rated power Sr

5VA

Accuracy class

0.5

Connection technology

CAGE CLAMP®

Strip length

9 10 mm / 0.35 0.39 inches

Solid conductor

0.08 4 mm2 / 28 12 AWG

Fine-stranded conductor

0.08 4 mm2 / 28 12 AWG