Molded case circuit LOW TAB bolt-on breakers for panelboard mounting with insta-wire in 3 types of tripping speed BL=10KA, BLH=22KA, HBL=65KA. Available in versions 1 pole 120vac, 2 poles common trip 120/240vac, 2 poles common trip 240vac and 3 poles common trip 240vac.