High Speed Circuit Breaker (pneumatic type)

High Speed Circuit Breaker has protection function to prevent damage rearwards by breaking main circuit using self breaking device in case of overcurrent of main circuit in circuit breaker box or power supply for Electric Multiple Unit.
Basic specification
Type HB-1903H
Main circuit voltage DC 1500V
Main circuit current 900A
Control voltage DC 100V
Overvurrent setting 1200A ~ 2200A
Breaking capacity DC 1500V 0.5mH 30kA
Auxililary contact poing 3a3b
Applied performances
  • Seoul Metro
2.Rolling_Stock_Equipment-High_Speed_Circuit_Breaker(Vacuum type)