200 Amp Double-Pole Main Breaker ConverterSiemens main breaker kits are used as a replacement main breaker in Siemens type EQ load centers. Type EQ load centers were produced prior to 2002. Check the load center wiring diagram for confirmation, the MBK200 is the equivalent to the EQ9685. Main breaker conversion kit Designed to allow for convertibility and invertiblilty of your panel Straight in wired design reduces wire cost Converts main lug load centers to main breaker load centers Bolt on