Auxiliary Control Box

Auxiliary Control Box is embedded in circuit breaker, AC over-current relay, DC voltage relay, high voltage fuse and diode, etc. and controls vehicle and protects devices.
Basic specification
Main circuit voltage DC 1500V
Current DC 600A(Main circuit)
DC 120A
AC 123A(Control circuit)
Overcurrent set value DC 100V(+10%, -30%)
Applied performances
  • Korea Railroad Corp. AD/DC electric multiple unit