Square D Homeline, 100A, 24 Space 48 Circuit Indoor Convertible Main Breaker Load Center Value Pack, For Plug On Neutral Breakers, Includes Cover, 3 Each 120V Homeline 20A Single Pole Circuit Breakers, 2 Each 40V Homeline 30A Double Pole Circuit Breakers, & Fully Distributed Neutral Bar That Allows For The Installation Of Homeline Plug-On Neutral Combination Arc Fault Breakers On Any Space.