T Series Nema Standard 3-Phase Induction Motors Cast Iron Case (EPACT Efficiency)

Efficiency: NEMA premium
AC 3phase 60hz
NEMA design B (design A is available)
Power: 250-500hp , 2pole, 4pole & 6 pole EPACT efficiency
3-350hp 8pole EPACT efficiency
Totally enclosed fan cooled
Service Factor: 1.15
Class B, Class F insulation with Phenolic Alkyd
VIP varnished with double times.
Oversize Conduit Box, Rotable in 90 degree
Heavy duty Constuction.
143T-447T shaft: 1045 carton steel
449T-586/7T (UZ) shaft : Alloy Steel and tempering treatment
F1 mounting （F2 is available）