Detailed Product Description

Type LZZBJ12-12 current transformer is used for metering and protective relaying purposes for installation in indoor up to 10KV rated voltage frequency 50Hz, the current transformer is used for metering and protective relaying action in indoor and especially is suited for using in the narrow case ring-net switch gear.

Technical data

1.       Rated insulation level: 12/42/75KV;

2.       Rated frequency: 50Hz;

3.       Rated primary current: 50-1200(1250)A;

4.       Rated secondary current : 5A;

5.       Accuracy classes: 0.5/5P;

6.       Meter rage class safeguard system: Fs<10;

7.       5P rated accuracy lint factor: 5P10;

8.       The measurement of partial discharge level is in accordance with GB5583-85 and IEC185 apparent partial discharge level not more than 20PC;

9.       power factor: 0.8(hysteresis);