Current transformer PR

Tie type circular current transformer

Technical parameters:

Standard: iec44-1

Rated working voltage: no more than 720V

Rated insulation level: 4KV, 50Hz, 1min

Rated frequency: 50 / 10Hz

Humidity: to 95% RH

Rated continuous thermal current: 12 times of overload rated current

Rated initial thermal current: 60 times of rated current

Rated dynamic current: 0.5 times ith

Accuracy limit factor / safety factor: < 5 or < 10

Accuracy class: measurement purpose: 0.2,0.5,1,3 protection purpose: 5p, 10p

IEC44-1  

Rated secondary current: 5A or 1A

Ambient humidity: - 20 to 85 degrees

Insulation grade: Sr, PR, TP series; Grade a peak 105 degrees

Shell: non flame retardant PC material meets UL94V0, IP40 standard.

Secondary cover: sealing IP20

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