Baldor Intros IEC Metric Frame Aluminum Motors
Baldor Electric Co. (Fort Smith, AR) announced its new IEC Metric Frame motor range, which provides substantial weight savings compared with cast-iron frame alternatives. Spanning the 0.12kW to 7.5kW power range, the range is CE-approved, and can be optionally specified to meet UL and CSA standards. Although aluminum is used for the frames, the performance and reliability of the motors is not reduced through a combination of factors, including work-hardened surfaces for the bearings, grade-N rotor balancing, and phase-to-phase insulation.
The motors feature totally enclosed, fan-cooled construction; IEC frame sizes from 60 to 132; 2-pole, 4-pole, 6-pole or 8-pole speeds; and “Eff 2” efficiency levels. Users can choose from B3 foot, B5 D-flange or B14 C-face mounting. All the motors are rated for IP55 protection as standard against ingress. For frame sizes up to 100, users can choose versions in delta wiring configurations for operation at 220Vac to 240Vac at 50Hz or 250Vac to 280Vac at 60Hz, or star-wired configurations for operation at 380Vac to 420Vac at 50Hz or 440Vac to 480Vac at 60Hz. For frame sizes of 112 and above, the ratings are 380Vac to 420Vac and 440Vac to 480Vac in delta, and 690Vac in star.
