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IEEE841石化行业防爆电机

IEEE841石化行业防爆电机

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  • IEEE841石化行业防爆电机

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DETAILED DESCRIPTION

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. 

天天乐棋牌APP下载变频范围: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


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