1. The main difference is the voltage levels. The first is 300/500V (or 300/300V), while the second is 0.6/1kV.
2. The main difference is the voltage levels. As Yufeng mentioned, the corresponding walnut thickness also varies.
1. The main difference is the voltage levels. The first is 300/500V (or 300/300V), while the second is 0.6/1kV.
2. The main difference is the voltage levels. As Yufeng mentioned, the corresponding walnut thickness also varies.