可同时满足防爆和变频使用场合。

防爆等级：CSA Certified for Class I, Division II, Groups B, C, D; Class II, Div. 2, Groups F & G. 

变频范围：VT=3~60HZ, CT=6~60HZ.  (VT=variable torque 变转矩; CT=constant torque 恒转矩)

Electrical Features

• Designed to meet NEMA MG-1, MG-13 and IEEE 841

• Stock available in 460V and 575V; other voltages available upon request

• Premium efficiency; meets or exceeds the requirements of EPACT '92 and Canadian Federal Efficiency Levels defined in CSA C390-93; Full load efficiency of all ratings is certified under the EEV Program of the CSA

• UL recognized Class F non-hygroscopic insulation system with HPE™ (High Pulse Endurance) index, heavy heat resistance enameled copper wire insures longer winding life and reliability

• CSA certified for Class 1, Division II, Group B, C and D with Temperature Code T3C

• Class B temperature rise, 80°C rise by resistance method at 1.0 S.F.; 90°C rise at 1.15 SF

• 3 Leads solderless lug terminals

• Meets GM 7E-TA specifications

Mechanical Features

• Bearing temperature rise is below 45°C for all 4P and 6P ratings; 50°C for all 2P motors

• Sound power levels are below 85 dBA providing quiet operation

• Full cast iron construction: frame,brackets, fan cover and conduit box with IP55 rated protection

• Frame provided with two threaded drain holes with drain plugs and a drilled and tapped hole for a ground lug

• Corrosion-resistant, cast iron conduit box has twice the volume required by NEMA. The conduit box is fully gasketed with NPT threaded conduit entry

• Regreaseable bearing construction with inner bearing caps prevent bearing contamination

• Non-sparking plastic or bronze fan

• All internal rotor, stator and shaft surfaces are cleaned and coated with moisture resistant varnish; Exterior is painted with zinc-chromate epoxy base with a blue finish

• Stainless steel hardware and nameplate

• Vibration will not exceed 0.08 inches per second

• Motors can be re-rated for 415, 400 and 380 volts at 50 HZ

• CSA and UL approved for Inverter Duty per NEMA MG1 Part 31, with speed range of 20:1 variable torque and 10:1 constant torque

IEEE841石化行业电机技术参数：

产品型号：AEHH8B

功率：1HP~350HP

机座号：143T~449TS

电压：200V、230V、460V、575V等

频率：50HZ、60HZ

防护等级：IP55

冷却方式：IC411

绝缘温升：F/B

极数：2,4,6,8

设计标准：NEMA MG-1，MG-13，IEEE-841

适用：Class I Division 2 Group B,C and D. Temp.Code T3C

认证：CSA 

可适用变频工况

功率条件：电压：±10%，频率：±5%，合并电压的10%，频率变化不超过±5%

环境条件：环境温度：-25℃~40℃ | 相对湿度：低于90%RH（非凝结）| 海拔：低于3300英尺

驱动方式：143T~405T用于直接用皮带轮传动，但是2级25HP及以上或者是框号444T~449T用连轴器启动

启动方式：全电压直接启动或是逆变器启动

框架：高级铸铁，带排水塞的双螺纹排水孔，脚上(终端箱侧)的一个被抽头的洞，最小限度地接地

噪音：声贝不超过85分贝/1米

过速：125%Syn转速两分钟（2,4极），150%Syn转速两分钟（6,8极）

过扭矩：160%，额定扭矩为15 SEC。

温升：绕组：通过S.F.1.15的电阻法，温升不超过90℃ 通过S.F.1.0的电阻法，温升不超过80℃

   轴承：2极为50℃，4极及以上为45℃。