Baldor Electric Motors is no longer manufacturing this motor, possible replacement is the following Baldor Electric Motors part#
EBM3546T-S
*** This motor has been replaced by model # EBM3546T-S ***
BM3546T-S, 1 Hp, 1800 Rpm, 143TY FR, 208-230/460 Vac, 3 PH, TEFC, Foot Mounted, Short Series Brake Motor.