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.
|Main circuit voltage||DC 1500V|
|Current||DC 600A(Main circuit)|
|AC 123A(Control circuit)|
|Overcurrent set value||DC 100V(+10%, -30%)|
- Korea Railroad Corp. AD/DC electric multiple unit