NEMA Premium Efficiency TEFC Low Voltage Electric Motors - Northam inc
                     NA-M SERIES
NEMA PREMIUM EFFICIENCY TEFC 
LOW VOLTAGE ELECTRIC MOTORS
PRODUCT CATALOGUE www.northam-inc.com
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NA-M SERIES
NEMA PREMIUM EFFICIENCY TEFC LOW VOLTAGE ELECTRIC MOTORS
GENERAL DATA
INDUCTION MOTORS - NEMA TEFC
Northam NEMA Premium Efficiency Motors are UL recognised in accordance to UL 1004-1 and CSA C22.2 NO.100, In 
addition, they feature a Class F Insulation System and 1.15 Service Factor on the entire range of motors.
They are available in T, TS ( C & D flanges), JM and JP frame sizes.
STANDARD FEATURES
2 pole, 60Hz, 3500 RPM’s 3 to 100 Horsepower 122° F Ambient Temperature
Voltage: 230 / 460 TEFC Cast Iron Frames
NEMA Dimensions Ball Bearings
NEMA design ‘B’ ratings Altitude:3300 ft (1000m)
Service Factor: 1.15 Carbon Steel Shaft
Class ‘F’ insulation for all Frames, Class B rise UL Recognised (2 Pole only)
Continuous Duty (S1)
MATERIAL OF CONSTRUCTION
FAN
Engineering Composites
Electrical grade steel
FAN COVER
Steel
3 Date - 02/09/25
Supersedes - 24/09/24
NA-M SERIES
NEMA PREMIUM EFFICIENCY TEFC LOW VOLTAGE ELECTRIC MOTORS
¼ HP to 100 HP MODEL CODE 1 PHASE / 3 PHASE
4 Date - 02/09/25
Supersedes - 24/09/24
NA M 010 A 2 R T B L 1
Efficiency class
Code Efficiency
3 IE3 / Premium
Ambient temperature
Code Temperature
M 50°C / 122°F
Mounting arrangement
Code Size
B With base
F Without base
Enclosure 
Code Type
T TEFC
Frame size
Code Size Code Size Code Size Code Size Code Size Code Size
F 182T O 215TC Y 256T A6 284TSD B3 326JP B0 405TSD
I 184JM P 215TD Z 256TC A7 284JM B4 365TS C1 445TS
J 184T T 254T A1 256TD A8 284JP B5 365TSC C2 445TSC
K 184TC U 254TC A2 256JM A9 326TS B6 365TSD
L 184TD V 254TD A3 256JP A0 326TSC B7 445TSD
M 215JM W 254JM A4 284TS B1 326TSD B8 405TS
N 215T X 254JP A5 284TSC B2 326JM B9 405TSC
Pole
Code Pole
2 2
Power supply
Code Power supply
E 60 Hz, 3 Phase, 230V / 460V
Motor HP
Code HP Code HP Code HP Code HP Code HP
030 3 HP 100 10 HP 250 25 HP 500 50 HP A00 100 HP
050 5 HP 150 15 HP 300 30 HP 600 60 HP
075 7½ HP 200 20 HP 400 40 HP 750 75 HP
Motor type
Code Type
M NEMA Standard
Series name
Code Series
NA Motors - UL
NA-M SERIES
NEMA PREMIUM EFFICIENCY TEFC LOW VOLTAGE ELECTRIC MOTORS
GENERAL DATA
NEMA, TEFC 60 HZ FOOT MOUNT - THREE PHASE MOTORS
Output Frame FL Service INS Rated Weight
Hz Volts
[HP] Size Amps
Pole RPM
factor class Ambient lbs
°F
230 7.4 3450
3 60 182T 1.15 2 F 122 94 
460 3.7 3450
230 12.6 3450
5 60 184T 1.15 2 F 122 100 
460 6.3 3450
230 17.8 3450
7.5 60 184T 1.15 2 F 122 112 
460 8.9 3450
230 24.4 3500
10 60 215T 1.15
460 2 F 122 163 12.2 3500
230 34 3545
15 60 254T 1.15
460 17
2 3545 F 122 231 
230 46 3545
20 60 254T 1.15 2 F
122 243 
460 23 3545
230 58 3550
25 60 256T 1.15 2 F 122 265 
460 29 3550
230 66 3550
30 60 284TS 1.15 2 F 122 397 
460 33 3550
230 90 3560
40 60 326TS 1.15 2 F 122 540 
460 45 3560
230 112 3565
50 60 326TS 1.15 2 F
460 56 3565
122 584 
230 134 3555
60 60 365TS 1.15 2 F 122 827 
460 67 3555
230 170 3565
75 60 405TS 1.15 2 F 122 849 
460 85 3565
230 224 3575
100 60 445TS 1.15 2 F 122 1411 
460 112 3575
5 Date - 02/09/25
Supersedes - 24/09/24
NA-M SERIES
NEMA PREMIUM EFFICIENCY TEFC LOW VOLTAGE ELECTRIC MOTORS
DIMENSIONS
T & TS Flange
AG
LL
AA
S HH
ES
N-W
K1 K2
J BA 2F
2E 2E
B
A C
SHAFT 
KEYWAY TERMINAL BOX BEARING
Frame A B C D G J K1 K2 AC EXTENSION Frame 2E 2F H BA A B C D G J K1 K2 AC
S R ES N-W U AD HA HH HK LL AG AA DE NDE
254T 305 269 588.0 158.8 18.8 55.0 70.0 70.0 303.44 9.53 36.0 80.0 101.6 41.275 249 407.8 172 84 194.5172.5 M40 6309ZZ 6209ZZ 184T 7.5 5.50 0.41 2.75 9.02 7.09 16.02 4.50 0.68 1.65 2.05 2.05 8.60 
256T 305 310.0 628.0 158.8 18.8 55.0 91.0 98.0 303.44 9.53 36.0 80.0 101.6 41.275 249 407.8 172 84 194.5172.5 M40 6309ZZ 6209ZZ 215T 8.5 7.00 0.41 3.50 10.04 8.66 19.80 5.25 0.76 2.56 2.17 3.54 10.33 
284TS 342 284.0 692.0 177.8 20.9 66.0 80.0 80.0 347.00 9.53 36.0 60.0 82.6 41.275 296 473.8 169.9 109 195 265 M40 6310ZZ 6210ZZ 254T 10.0 8.25 0.53 4.25 12.01 10.59 23.15 6.25 0.74 2.17 2.76 2.76 11.95 
326TS 400 360.0 792.0 203.2 33.2 86.0 100.0100.0 387.0012.70 40.4 60.0 95.3 47.625 307 510.2 178.3 109 195 265 M50 6312ZZ 6212ZZ 256T 10.0 8.25/10.0 0.53 4.25 12.01 12.20 24.72 6.25 0.74 2.17 3.58 3.86 11.95 
365TS 450 395.0 837.2 228.6 35.6 85.0 110.0 110.0 416.4012.70 40.4 60.0 95.3 47.625 369.2 597.8 185 148 250 248 3" NPT 6313ZZ 6313ZZ 284TS 11.0 9.50 0.53 4.75 13.46 11.18 27.24 7.00 0.82 2.60 3.15 3.15 13.66 
405TS 480 414.0 847.6 254.0 28.0 90.2 91.0 118.0 484.5812.70 46.9 80.0 108.0 53.975 382 636 214 149 253 253 3" NPT 6315ZZ 6215ZZ 326TS 12.5 12.00 0.66 5.25 15.75 14.17 31.18 8.00 1.31 3.39 3.94 3.94 15.24 
445TS 540 490.01006.0 279.4 41.4 100.0110.0164.0 542.0015.88 51.3 80.0 120.7 60.325 445.5 725 222.3 148 250 248 3" NPT 6317 6316 365TS 14.0 12.25 0.66 5.88 17.72 15.55 32.96 9.00 1.40 3.35 4.33 4.33 16.39 
405TS 16.0 12.25/13.75 0.81 6.62 18.90 16.30 33.37 10.00 1.10 3.55 3.58 4.65 19.08 
445TS 18.0 14.5/16.5 0.81 7.50 21.26 19.29 39.61 11.00 1.63 3.94 4.33 6.46 21.34 
SHAFT 
KEYWAY TERMINAL BOX BEARING
Frame EXTENSION
S R ES N-W U AD HA HH HK LL AG AA DE NDE
184T 0.25 0.98 2.50 2.75 1.12 6.59 11.09 3.94 2.24 3.98 3.98 NPT 3/4" 6206ZZ 6206ZZ
215T 0.31 1.20 3.12 3.38 1.37 7.56 12.81 4.80 2.32 5.16 5.35 NPT 3/4" 6208ZZ 6208ZZ
254T 0.38 1.42 3.15 4.00 1.63 9.80 16.06 6.77 3.31 7.66 6.79 NPT 1-1/2" 6309ZZ 6209ZZ
256T 0.38 1.42 3.15 4.00 1.63 9.80 16.06 6.77 3.31 7.66 6.79 NPT 1-1/2" 6309ZZ 6209ZZ
284TS 0.38 1.42 2.36 3.25 1.63 11.65 18.65 6.69 4.29 7.68 10.43 NPT 1-1/2" 6310ZZ 6210ZZ
326TS 0.50 1.59 2.36 3.75 1.88 12.09 20.09 7.02 4.29 7.68 10.43 NPT 2" 6312ZZ 6212ZZ
365TS 0.50 1.59 2.36 3.75 1.88 14.54 23.54 7.28 5.83 9.84 9.76 NPT 3" 6313ZZ 6313ZZ
405TS 0.50 1.85 3.15 4.25 2.13 15.04 25.04 8.43 5.87 9.96 9.96 NPT 3" 6315ZZ 6215ZZ
445TS 0.63 2.02 3.15 4.75 2.38 17.54 28.54 8.75 5.83 9.84 9.76 NPT 3" 6317 6316
Note : All Dimensions are in Inches
6 Date - 02/09/25
Supersedes - 24/09/24
HA
D AD
G
HK
U R S
AC
NA-M SERIES
NEMA PREMIUM EFFICIENCY TEFC LOW VOLTAGE ELECTRIC MOTORS
DIMENSIONS
D Flange
AJ
45° BF
45°
BB
BA
BF
Frame BA BB AK BD AJ Size Quantity
184TD 3.50 9.00 10.98 10.00 0.53
215TD 4.25 
254TD
4
256TD 4.75 11.0 14.02 12.5
284TSD 0.25
0.81
326TSD 5.25 
14.0 18.0 16.0
365TSD 5.88 
405TSD 6.62 8
18.0 22.0 20.0
445TSD 7.50 
Note : All Dimensions are in Inches
C Flange
BB
AJ
AH
45°
45°
BC
BA
BF
Frame BA BB BC AK BD AH AJ
 Size Quantity
BF 184TC 3.50 0.12 2.6
Frame BA BB BC AK BD AH AJ
Tap Size Quantity 215TC 4.25 8.5 9.02 3.1 7.3
254TC UNC 1/2"-13
254TC 3.8 4
8.5 9.02 3.8 7.3 256TC 4.75 
256TC 4.75 1/2-13
284TSC 10.5 11.3 3.0 9.0 4
284TSC 0.25 10.5 11.3 3.0 9.0
5.25 326TSC 5.25 0.25326TSC 0.25 0.25 14.0 3.5
14.0 3.5 365TSC 5.88 12.5 11.0
365TSC 5.88 12.5 11.0 UNC 5/8"-11
5/8-11 405TSC 6.62 15.58 4.0
8
405TSC 6.62 15.5 4.0
445TSC 7.50 16.0 18.0 4.5 14.0
445TSC 7.50 16.0 18.0 4.5 14.0
Note : All Dimensions are in Inches
7 Date - 02/09/25
Supersedes - 24/09/24
ØAK ØAK
ØBD ØBD
NA-M SERIES
NEMA PREMIUM EFFICIENCY TEFC LOW VOLTAGE ELECTRIC MOTORS
DIMENSIONS
JP & JM 
S
EN
AJ
BD
AK
45° ER
BF ES45°
EQ
ET
AH
BB
JM Flange JM Flange
BF EN Key Seat
Frame U AH AJ AK BB BD EQ BF EN Key SeatQuantity Tap Size EL EM Tap Size Tap Drill EP ET ER R ES S Frame U AH AJ AK BB BD EQQuantity Size EL EM  Size EP ET ER R ES S
254JM/256JM 7.25 8.50 10.0 1/2-13 1.75 0.64 184JM 5.87 4.50 0.16 6.61 UNC 3/8"-16 1.3
284JM 0.87 4.28 1.25 1.00 UNC 3/8"-16 2.89 4.25 0.77 1.65 0.190.64
1.25 5.28 11.0 12.5 0.31 14.0 4 5/8-11 1.75 1.38 1/2-13 38 2.1 0.6 3.02 5.25 1.11 2.53 0.25 215JM 9.02
326JM 7.25 8.50 4 UNC 1/2"-13 1.8254JM/256JM 0.31 10.0
Note : All Dimensions are in Inches 284JM 1.25 5.28 1.75 1.38 UNC 1/2"-13 3.02 5.25 1.11 2.53 0.2511.0 12.5 14.0 UNC 5/8"-11 2.1 0.6
326JM
JP Flange Note : All Dimensions are in Inches
BF EN Key Seat
Frame U AH AJ AK BB BD EQQuantity Tap Size EL EM Tap Size Tap Drill EP ET ER R ES S
254JM/256JM 7.25 8.50 10.0 1/2-13 1.97
284JM JP Flange
1.25 8.16 11.0 12.5 0.31 14.0 4 5/8-11 1.75 1.38 1/2-13 38 2.4 2.39 5.89 8.12 1.11 2.76 0.25
326JM
BF EN Key Seat
Note : All Dimensions are in Inches Frame U AH AJ AK BB BD EQQuantity Size EL EM  Size EP ET ER R ES S
184JM 5.87 4.50 0.16 6.61 UNC 3/8"-16 1.3 1.58 5.95 7.3
0.87 4.28 1.25 1.00 UNC 3/8"-16 0.77 1.65 0.19
215JM 9.02
7.25 8.50 UNC 1/2"-13 1.8
254JM/256JM 0.31 10.0 4 2.39 5.89 8.12
284JM 1.25 5.28 1.75 1.38 UNC 1/2"-13 1.11 2.53 0.25
11.0 12.5 14.0 UNC 5/8"-11 2.1
326JM
Note : All Dimensions are in Inches
Phone : +1-570-659-7200,  Email : [email protected]
Product Improvement and changes are a continuous process at ‘Northam’. The data given in this publication is therefore subject to revision.
EP
EL
EM
R
U