NEMA IEC Motor Frame Dimension Chart
-select NEMA Frame-
42
42C
48
48C
48H
56
56C
56H
66
66C
143
143T
143TC
143TD
145
145T
145TC
145TD
182
182C
182D
182T
182TC
182TCH
182TD
184
184C
184D
184T
184TC
184TCH
184TD
203
204
213
213C
213D
213T
213TC
213TD
215
215C
215D
215T
215TC
215TD
224
225
254
254U
254UC
254UD
254T
254TC
254TD
256U
256UC
256UD
256T
256TC
256TD
284
284U
284UC
284UD
284T
284TC
284TD
284TS
284TSC
284TSD
286U
286UC
286UD
286T
286TC
286TD
286TS
286TSC
286TSD
324
324U
324UC
324UD
324S
324SC
324SD
324T
324TC
324TD
324TS
324TSC
324TSD
326
326U
326UC
326UD
326S
326SC
326SD
326T
326TC
326TD
326TS
326TSC
326TSD
364
364S
364U
364UC
364UD
364US
364USC
364USD
364T
364TC
364TD
364TS
364TSC
364TSD
365
365S
365U
365UC
365UD
365US
365USC
365USD
365T
365TC
365TD
365TS
365TSC
365TSD
404
404S
404U
404UC
404UD
404US
404USC
404USD
404T
404TC
404TD
404TS
404TSC
404TSD
405
405S
405U
405UC
405UD
405US
405USC
405USD
405T
405TC
405TD
405TS
405TSC
405TSD
444
444S
444U
444UC
444UD
444US
444USC
444USD
444T
444TC
444TD
444TS
444TSC
444TSD
445
445S
445U
445UC
445UD
445US
445USC
445USD
445T
445TC
445TD
445TS
445TSC
445TSD
447T
447TC
447TD
447TS
447TSC
447TSD
449T
449TC
449TD
449TS
449TSC
449TSD
504U
504UC
504UD
504S
504SC
504SD
505
505C
505D
505S
505SC
505SD
-select IEC Frame-
63
71
80
90S
90L
100S
100L
112S
112M
132S
132M
160M
160L
180M
180L
200M
200L
225S
225M
250S
250M
280S
280M
315S
315M
355S
355L
Select Dimension <--NEMA IEC-->
U --------------------- D
D --------------------- H
2F -------------------- B
2E -------------------- A
BA ------------------- C
S ---------------------- F
R ---------------------- G
N-W ------------------ E
AJ (C Face) ------- M (B14 Face)
AJ (D Flange) ---- M (B5 Flange)
AK (C Face) ------- N (B14 Face)
AK (D Flange) ---- N (B5 Flange)
BB (C Face) ------ T (B14 Face)
BB (D Flange) --- T (B5 Flange)
BD (C Face) ------ P (B14 Face)
BD (D Flange) ---- P (B5 Flange)