1. General
1.1 Electric ratings: AC50-60HZ, ≤ 0.72KV
1.2 Short-time thermal current: 1th=100× 1h
1.3 Rated security coefficient: Fs<5
1.4 The most current transformer need the special mounting and the series used the mounting of DIN typing with a lot of times;
1.5 The protective cover for the terminal block used the switching device with safety and quick;