... .low noise, 2.high efficiency, 3.slight vibration, 4.energy saving, high starting Brake Motor Three Phase Induction Motor 1.low noise, 2.high ... efficiency, 3.slight vibration, 4.energy saving, high ... 9) Poles: 4 10) Speed: 1,400rpm 11) Cooling method: ODP (open drip proof) 12) Mounting types: IMB3, 13)Duty: S1 ...