Three-phase induction motors with phase-wound rotor are of closed design with forced ventilation from separate fan are intended for the drive with heavy starting conditions (cement mills, fans).
Description:

Mode of operation – S1 as per GOST 183-74.

Degree of protection – IP41, degree of protection of slip rings IP00 as per GOST 17494-87.

Method of cooling – ICW37 A91 or ICA37 as per GOST 20459-87.

Climatic version and location category – УХЛ4 or T3 as per GOST 15150-69.

Technical data:

Motor type Power, kW Voltage, V Synchronous rotation speed, rpm Design dynamic moment of armature inertia, kgm2 Weight, kg
АТ20С8-12УХЛ4 3550 6000 500 7500 34600
АТ20С8- 12Т3 3150

 

Motor type Power, kW Voltage, V Synchronous rotation speed, rpm Design dynamic moment of armature inertia, kgm2 Weight, kg
АТ20С12-12УХЛ4 4000 10000 500 10750 44200
АТ20С12- 12Т3 3550 11000