果冻传媒视频播放观看,果冻传媒在线播放观看,用手指搅乱吧未增删第二季,亚洲精品影院在线观看

NEMA standard motor
NEMA standard machine is mainly used in the United States, Canada, Mexico, motor operating frequency is 60 hz, working voltage is 230/460 v.Corresponding motor synchronous transmission speed is: 2 pole machine 3600 RPM, 1800 RPM, the 4 pole motor 6 pole motor 1200 RPM.
Motor according to the NEMA standard design and production, mainly exported to North America, with high efficiency, low temperature rise, low vibration noise, etc.
Closed: the ODP, TEFC, installation method: end cover flange, base;Bearings, ball bearings.