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IE3 71-250
IE3 71-250 motors represent the pinnacle of energy efficiency in low-voltage three-phase induction motors, covering frame sizes from 71 to 250. These premium efficiency motors comply with IEC 60034-30-1 standards, offering nominal power ranges from 0.37 kW to 90 kW, with pole configurations typically 2, 4, 6, or 8 poles. They operate at standard...
IE3 71-250 motors represent the pinnacle of energy efficiency in low-voltage three-phase induction motors, covering frame sizes from 71 to 250. These premium efficiency motors comply with IEC 60034-30-1 standards, offering nominal power ranges from 0.37 kW to 90 kW, with pole configurations typically 2, 4, 6, or 8 poles. They operate at standard voltages of 230/400V or 400/690V, 50/60 Hz, with insulation class F and degree of protection IP55 or IP56. The IE3 efficiency class ensures reduced energy losses and lower total cost of ownership, making them ideal for continuous duty applications.
These motors are widely deployed in industrial automation, HVAC systems, pumps, fans, compressors, and conveyor systems. They are designed for installation in harsh environments, including outdoor and washdown areas, thanks to their robust cast-iron or aluminum frames and sealed bearings. Common sectors include water treatment, food and beverage, cement, mining, and material handling, where reliability and energy savings are critical.
Subcategories within this range include standard foot-mounted (B3), flange-mounted (B5, B14), and combined mounting configurations. Key article codes follow the pattern "IE3-71-4" for a 0.37 kW 4-pole motor, up to "IE3-250-2" for a 90 kW 2-pole unit. Variants include brake motors, inverter-duty motors, and explosion-proof versions (ATEX). The coding typically includes frame size, pole number, and optional suffixes for mounting type or accessories.
Partnering with Electric Automation Network ensures access to genuine IE3 motors with real-time pricing and global express shipping. Our engineering team provides tailored technical support for motor selection, including torque curves, starting methods, and compatibility with variable frequency drives. We offer full documentation, including datasheets and CAD models, to streamline your project.
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