501876-2040 vs 501876-2240 vs 501876-2440

PartNumber	501876-2040	501876-2240	501876-2440
Description	Headers & Wire Housings 2.0 W/B Dual R/A Plg A Plg Hsg Assy 20Ckt	Headers & Wire Housings 2.0 W/B Dual R/A Plg A Plg Hsg Assy 22Ckt	Headers & Wire Housings IGRID 24P RA HDR DUAL ROW