Baldor CM3545-57

The register lists here 814 versions with 0.75 to 185 kW, two- to eight-pole, full-load efficiencies from 76.4 to 96.3% and at 75% load from 75.3 to 96.4%. Protection is overwhelmingly IP55 (657 of 814), alongside IP54, IP44, IP65, IP56 and IP23; frame sizes run from 56 to 315, and the mounting form is broad – 308 motors purely in B3 and a further 200 versions in the full B3/B5/B14/B34/B35 set. The USA (459) and China (355) are recorded as manufacturing countries. Testing mostly followed the 2012 GEMS determination and AS/NZS 1359.5, with test methods B and A; only 198 of the 793 classified motors reach a High Efficiency Level (182 the 2005 level, 16 the 2018 level), the rest remain unclassified.

Baldor is one of the long-established US motor makers and, through ABB, now part of the world's largest supplier of industrial motors; in North America the brand remains positioned independently, with a focus on rugged motors for pumps, fans and conveying plant in industry and agriculture.

When buying used, durability and winding-wire quality typically matter on the older motors made in the USA, bearing and fan-cover condition on the newer Chinese-made lots; a measured insulation resistance, a legible nameplate with frame size and efficiency class, and, on IP55 motors used outdoors, the condition of the seals at the terminal box and shaft lead-through are important. Spares and service run through the Baldor/ABB network.