Toshiba S2E21 Instruction Manual page 60

TOSHIBA
S t a r t i n g
R a t e d c u r r e n t - - - -
Temperature
Allowable tenpreture
r i s e (OS)
Raced tenpreture
r i s e (ON)
Ambient temperature
In Figure 16. the allowable temperature rise
insulation design of the motor and is defined in Table 5 by
Full load operation
s t a r t
I _
c u r r e n t - - - - -
rise
0
Figure 16 Simulated Temperature Rise Timechart
Table 5 Insulation Class and Allowable
Temperature Rise
--
- -
Insulation class
Class B
Class F
Class H
Overload operation
Allowable temperature
rise 8s YC)
stop
Relay operating point
and NEMA