Switched Reluctance - 4500 RPM Base Range

4500 RPM base-speed motors are available in the continuous power ratings defined below:

4500 RPM Continuous  Rated Power  (HP) Torque Nmax
(LB-FT) (RPM)
SRM256TN-450 40           47 6750
SRM286TN-450   55       64 6750
SRM326TN-450     80     93 6750
SRM365TN-450       130       152 6750
SRM405TN-450         170     198 6750
SRM447TN-450           250   292 6750
SRM449TN-450             420 490 6750

 

The datasheets below describe performance with motor/controller pairings offering either 150% or 250% overload torque: 

Power Rating (HP) 150% Overload Torque 250% Overload Torque
40HP @ 4500 RPM N/A SRM256TN-450 & SRC3
55HP @ 4500 RPM SRM286TN-450 & SRC3 SRM286TN-450 & SRC4
80HP @ 4500 RPM SRM326TN-450 & SRC3 SRM326TN-450 & SRC4
130HP @ 4500 RPM SRM365TN-450 & SRC4 SRM365TN-450 & SRC5
170HP @ 4500 RPM SRM405TN-450 & SRC5 SRM405TN-450 & SRC6
250HP @ 4500 RPM N/A SRM447TN-450 & SRC6
420HP @ 4500 RPM N/A SRM449TN-450 & SRC6
 

SR Drive® is a registered mark of Nidec SR Drives Ltd, Harrogate, UK.
SR Drive® technology is used under license  from Nidec SR Drives Ltd, Harrogate, UK.