Steel box, Terminal block / General Quality Type
1, NSTL320L ~ NST176L (Dimension: 190 * 245 * 40mm)
2, NST156L ~ NST104L (Dimension: 160 * 230 * 40mm)
3, NST85L ~ NST20L (Dimension: 120 * 203 * 40mm)
4, NST52L ~ NST20L )(Dimension: 90 * 140 * 40mm)
5, Class Ⅲ (1.2/20uS, 8/20uS)PP