YE4The YE5 series of ultra-high-efficiency three-phase induction motors is a totally enclosed, self-ventilated (TEFC) three-phase induction motor independently developed and designed by our company. Efficiencyvalues comply with GB18613-2012“Minimum Allowable Values and Efficiency Grades for Energy Efficiency of Small- and Medium-Sized Three-Phase Induction Motors”, Grade 1 efficiency requirements; its efficiencyvalues conform to the recommended table (IE4) in Annex A of IEC 60034-31.

The frame sizes available in this series range from 80 ～ 355 ， power ratings and mounting dimensions conform to GB/T 4772.1 / IEC 60072-1 and GB/T 4772.2 / IEC 60072-2.in accordance with the provisions of standard GB/T 4772.1 / IEC 60072-1 and GB/T 4772.2 / IEC 60072-2.

1. Product Features

a)   The main terminal box is located on top of the motor frame and allows left- or right-side cable exit to meet users’ varying wiring requirements; b) For motors with frame size 160 and above, stator temperature sensors, bearing temperature sensors, space heaters, and online oil injection/drainage devices can be supplied upon user request;

c) The terminal box, frame, end shields, and fan cover feature an aesthetically pleasing, modern design that also facilitates noise reduction and ventilation; d) The motor employs a Class 155 (F) thermal insulation system, thereby extending service life;

e) Duty type is S1; cooling method is IC411; enclosure protection rating is IP55;

f) Suitable for various service environments: “W”, “TH”, “WTH”, “F1”, “F2”, “WF1”, and “WF2”,

where: W denotes outdoor light-corrosion protection; TH denotes humid-tropical; WTH denotes outdoor humid-tropical; F1 denotes indoor medium-corrosion protection; F2 denotes indoor heavy-corrosion protection;WF1 denotes outdoor medium-corrosion protection; WF2 denotes outdoor heavy-corrosion protection;g) To facilitate load coupling, a Type-C centering hole is provided on the motor shaft extension face; h) Excellent starting characteristics;

i) High-quality construction ensures exceptional operational reliability; j) High efficiency, energy saving, safety, and environmental friendliness.

i) The motor’s high quality ensures exceptional operational reliability; j) High efficiency, energy saving, safety, and environmental protection.