mini-circuit-breaker (167)
 MCCB (193)
 AC-CONTACTOR (86)
 THERMAL-RELAY (10)
 INSULATOR (11)
 SURGE-ARRESTER (45)Lightning Arrester
1)Mov rated voltage :27kV
2)MCOV:22.0kV
3)Power frequency voltage(Wet):65kV
4)1/10?s Steep current impulse:82.4kV
5)8/20?s lightning current impilse:72.0kV
6)2ms rectangular current impulse withstand :250A
7)4/10?s high current impulse withstand :65kA