... eight types of duty type for these series motors, S2,S3,S4,S5,S6,S7,S8 and S9. The basic duty ... type is S340% (duty type is S3, cyclic duration factor is 40%, each cyclic is 10min). The ... deg K of the coolant.2. Intermittent periodic duty type (S3)A sequence of identical duty cycles, each including a period ...