Panelboard Interiors: Type - Lighting/Distribution Panel; Rating - Volts - 240VAC; Service - 3-Phase 4-Wire; Main Feed - Lugs; Rating - Amps - 225; Bus Material - Copper; Branch Breaker Type - THQB; Branch Breaker Mounting - Bolt-On; Circuits - 42; Box/Trim Size - 20"x49.5"; Manufacturer Series - Pro-Stock