... /60HZ,Current :63-800A,Voltage:400V,500V,690V,800V.. YKM1 series of molded case circuit breaker (short for circuit breaker), is ... breaking capabilityRated operation short circuit breaking capabilityExternal dimensionInstallation dimension (front plate)LW3P/4PHAB4-ΦdYKM1-63L63(6),10,16,20,25,32 ...