Note: This article is based on the 2011 NEC. Article 430 provides the requirements for electric motors while Art. 440 offers amended and additional requirements for hermetic motors, such as those used ...
The A3992 from Allegro MicroSystems is a complete microstepping motor driver with serial interface and outputs rated at ±1.5 A and 50 V. The A3992 from Allegro MicroSystems is a complete microstepping ...
Motors used for refrigeration equipment (including air conditioning systems) are hermetic. When we say “hermetic,” what do we mean? It’s a motor that’s sealed from the outside. In the case of ...
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