JEM4 series asynchronous motor reaches grade 2，3 according to GB18613-2012 or efficiency class IE3, IE4 (50Hz) according to IEC 60034-30 2014
JEM4 series three phase asynchronous motors adopt cast iron house, low-loss silicon steel sheet and high purity copper wire, has advantages such as high compatibility, strong constructure, high reliability, low vibration and noise, low temperature rise, high efficiency etc. This series motors are suitable to drive all kinds of general purpose machines such as compressors, ventilators, pumps, etc., which is continuous duty (S1), constant or various speed. And widely used in petrol chemical, pulp&paper, cement, steel, mining and water treatment etc.
■ Frame material: Cast Iron
■ Standard color: RAL 5001 (Blue green)
■ Rated power output: 0.55kW~355kW at 50Hz.
■ All motors’ efficiency reaches grade 2,3 according to GB18613-2020 and efficiency class IE3,IE4 (50Hz) according to IEC 60034-30 2014
■ Optimized compact style construction.
■ Standard mounting construction according to IEC 60034-7: IM B3, IM B5, IM B35 and etc.
■ All motors are designed to IP55 degree of protection (IEC 60034-5), and higher protection degree (IP68 the highest) is available by customers request
■ Re-greasing devices for frame size 280 and above as standard, and for frame size 100 ~ 250 as option.
■Insulation system is designed for temperature class 155 (F). At rated output with line-fed operation, the motors can be used in temperature class 130 (B).
■ Self ventilated motors with radial-ﬂow fans (cooling method IC 411 according to IEC 60034-6) as standard, forced air cool with external separately driven fans as option.