T77U034-76, Joslyn Clark, Bulletin 7707 TM, non-reversing contactor, type T77U, 3P, 3PH, 135A, 600V, NEMA size 4, 40HP @ 200V, 50HP @ 230V, 100HP @ 460-575V, complete with 110-120Vac 60Hz or 110V 50Hz coil, 1 N/O auxiliary contact, AC magnetic contactor, open type, suitable for use with TM motor control systems