Eaton 200 amps 120/240 V 42 space 42 circuits Flush Mount Main Breaker Load CenterSheet steel enclosure. Single phase, 42 spaces. Factory bonded split neutral, 42 (3 4 inch) spaces, 42 poles, 120 240 volt. Main breaker type CSR at 35,000 AIC when used with CH or CHP branch breakers. Solid copper bus bar. Twin neutral with cross bus. Unused neutral connections may be used for termination of equipment grounds. Listed for use as service equipment with twin neutral doubling as neutral ground. Remove bonding strap for separate neutral