Main Contactor 3 Pole 240V, For Use With Mfr. Model Number 36ES11, 36ES11-BL, 36ES11-SF, 36ES11-SFBL, 36ES21, 680-31F, 680-31FBL, 680-31SF, 680-31SFBL, AP1, AP4, APA, ECO-E-10, ECO-E-25, ICO-E-10, ICO-E-20, ICO-E-25, MCO-E5, MCO-ES-ED-10, MP-ES/ED-10, MPOE5L