Baldor Electric Motors is no longer manufacturing this motor, possible replacement is the following Baldor Electric Motors part#
VEM3546T-5
**** This motor has been replaced by model # VEM3546T-5 ***
VM3546T-5, 1 Hp, 1800 RPM, 143TC FR, 575 Vac, 3 PH, C-Face, TEFC, Footless, General Purpose Motor