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A. O. Smith Rush Center
CR23
Tropicalization
Modification includes the disassembly of the motor and
the application of rust preventative primer to the rotor. The
motor winding is given an extra spray of non-hygroscopic
varnish. If screens are required for tropicalization, refer to
CR20. Not applicable to Explosion Proof Motors.
CR36
Cast Iron Fan Guard
Modification includes the removal of original fan guard and installa-
tion of Cast Iron Fan Guard. This modification is suitable for use with
Cast Iron TEFC motors only and subject to availability.
CR34
Cast Iron Conduit Box
Modification includes the removal of standard steel conduit box and
replacement with a Cast Iron Conduit box. This modification is avail-
able only on Cast Iron TEFC motors and subject to parts availability.
NEMA List Price Per
Frame Stock Number Motor (U.S. $)
140 CFG1 $ 94.00
180 CFG2 129.00
210 CFG3 163.00
250 CFG4 185.00
280 CFG5 259.00
320 CFG6 301.00
NEMA Stock List Price Per
Frame Number Motor (U.S. $)
140 CCB1 $ 94.00
180 CCB2 129.00
210 CCB3 163.00
250 CCB4 185.00
280 CCB5 259.00
320 CCB6 301.00
NEMA Stock List Price Per
Frame Number Motor (U.S. $)
140 NSF1 $ 94.00
180 NSF2 129.00
210 NSF3 163.00
250 NSF4 185.00
280 NSF5 259.00
320 NSF6 301.00
320 (6 pole) NSF7 301.00
CR35
Non Sparking Fan
Modification includes the removal of original fan and the installation
of a non-sparking plastic or aluminum fan. This modification is suit-
able for Cast Iron TEFC motors only and subject to availability.
NEMA List Price Per
Frame Motor (U.S. $)
48-140T $ 65.00
180T-210T 95.00
250T-280T 103.00
320T-360T 118.00