Explosion-proof mining asynchronous electric motors АИУ90

Explosion-proof mining asynchronous electric motors АИУ90 with a squirrel-cage rotor are designed for continuous operation from an alternating current frequency 50 and 60 Hz in underground and aboveground workings of coal mines and mines, hazardous for methane and coal dust.
Electric motors are made in gray cast iron cast casing.
Continuous operation mode S1 from AC mains with frequency 50 Hz voltage 380/660 In or 660/1140 V.
Electric motors allow both left and right direction of rotation.
Execution of electric motors according to the installation method IM 3081 (flanged).
Explosion protection: RV ExdI (RV-3V).
Electric motors meet the requirements of GOST R 51330.0-99, GOST R 51330.1-99, GOST12.2.020-76, GOST22782.0-81, GUEST 22782.6-81.
Direct start of electric motors, provided as at nominal mains voltage, and when the mains voltage drops during the start-up time to 0,8 Unom.
Climatic version: U2.5, UHL2.5.
Degree of protection of the case and terminal box: IP 54.
Degree of protection of the case and terminal box: IP 20.
Insulation class: V.
Cooling method: ICA 0141 (With your own fan, installed on the free end of the shaft).
Electric motors are produced according to TU U 31.1-32832237- 005:2007.

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