The following parts are field replaceable:

Line base assembly - 4055218651 (3 required; includes arc suppressor assembly)
Line base mounting screws - 4020600901 (2 required per base)
Arc Suppressor Assembly - 4051270850  (1 per pole required)
Arc Suppressor mounting screw -  2140910321 (1 per assembly)
Line Base phase insulator - 4055219301 (2 required)
Handle Assembly - 4051219151
Handle Assembly mounting screws and washers - 2140122242 (screw; 2 required) and 2370100220 (washer; 2 required)
Handle Knob Kit - 4028343550 (includes the black and red parts with mounting screws)
Cross Bar Insulators - 4055217701 (2 required)
Dust Shield - 4055215701 (1 required)
Cross Bar Insulator - 4055217801 (1 required)
Main Lugs ONLY - 4405044601 (4 per pole or base assembly)
Main lug mounting screw and nut - 2140128481 (1/2-13 screw; 1 per lug) and 2342702800 (keps nut; 1 per lug)
Door Closing Thumb Screw and Retainer - S1A99898 (screw; 2 required) and 4405043301(retainer; 2 required)

Released for: Schneider Electric USA