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