Page 1
Product Information Packet
EM4408TR-4
250HP,1785RPM,3PH,60HZ,449T,TEFC,F1
Copyright © All product information within this document is subject to ABB Motors and Mechanical Inc. copyright © protection, unless otherwise noted.
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Product Information Packet: EM4408TR-4 - 250HP,1785RPM,3PH,60HZ,449T,TEFC,F1
Part Detail
Revision: H Status: PRD/A Change #: Proprietary: No
Type: AC Elec. Spec: A44WG5150 CD Diagram: 416820-036 Mfg Plant:
Mech. Spec: Layout: 617427-209 Poles: 04 Created Date: 04-13-2015
Base: Eff. Date: 05-29-2019 Leads: 3#1/0 (02 per group)
Specs
Catalog Number: EM4408TR-4
Enclosure: TEFC
Frame: 449T
Frame Material: Iron
Output @ Frequency: 250.000 HP @ 60 HZ
Synchronous Speed @ Frequency: 1800 RPM @ 60 HZ
Voltage @ Frequency: 460.0 V @ 60 HZ
XP Class and Group: None
XP Division: Not Applicable
Agency Approvals: CCSA US
CSA EEV
Auxillary Box: No Auxillary Box
Base Indicator: Rigid
Bearing Grease Type: Polyrex EM (-20F +300F)
Current @ Voltage: 276.000 A @ 460.0 V
Design Code: B
Drip Cover: No Drip Cover
Insulation Class: F
Inverter Code: Inverter Ready
IP Rating: NONE
KVA Code: G
Lifting Lugs: No Lifting Lugs
Motor Lead Quantity/Wire Size: 6 @ 1/0 AWG
Motor Type: A44144M
Mounting Arrangement: F1
Power Factor: 88
Product Family: General Industrial
Pulley End Bearing Type: Roller
Pulley Face Code: Standard
Shaft Ground Indicator: No Shaft Grounding
Shaft Rotation: Reversible
Shaft Slinger Indicator: No Slinger
Speed Code: Single Speed
Motor Standards: NEMA
Duty Rating: CONT
Starting Method: Direct on line
Page 2 of 16
Page 3
Product Information Packet: EM4408TR-4 - 250HP,1785RPM,3PH,60HZ,449T,TEFC,F1
Feedback Device: NO FEEDBACK
Heater Indicator: No Heater
Thermal Device - Bearing: None
Thermal Device - Winding: None
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Page 4
Product Information Packet: EM4408TR-4 - 250HP,1785RPM,3PH,60HZ,449T,TEFC,F1
Nameplate NP2496L
MOBIL SHC 220 GREASE
Page 4 of 16
Page 5
Product Information Packet: EM4408TR-4 - 250HP,1785RPM,3PH,60HZ,449T,TEFC,F1
Nameplate NP2349L
SPEC NO. A44-7126-5150 CAT.NO. EM4408TR-4 FRAME 449T
HP 250 VOLTS 460 PHASE 3 DESIGN B TYPE P
RPM 1785 AMPS 276 HZ 60 AMB 40 SF 1.15
DRIVE END BEARING 110RU02M30X DUTY CONT INSUL.CLASS F
OPP D.E. BEARING 90BC03J30X ENCL TEFC CODE G
SER.NO. POWER FACTOR 88 NEMA-NOM-EFFICIENCY 96.2
MAX CORR KVAR 39 GUARANTEED EFFICIENCY 95.4
NEMA NOM/CSA QUOTED EFF
MOTOR WEIGHT
Page 5 of 16
Page 6
Product Information Packet: EM4408TR-4 - 250HP,1785RPM,3PH,60HZ,449T,TEFC,F1
Parts List
Part Number Description Quantity
SA299284 SA A44-7126-5150 1.000 EA
RA286299 RA A44-7126-5150 1.000 EA
421948051 LABEL, MYLAR 1.000 EA
NP2496L MOTOR LUBE NAMEPLATE 1.000 EA
000613006PU N/P (RELEASE QTY 10,000) UL CSA LABEL 1.000 EA
000692000FF N/P 1.000 EA
000692000VD LABEL WARNING 1.000 EA
NP2349L SUPER-E ,SS, CSA, CSA SUPER-E 1.000 EA
418151014H RETAIN RING 1.000 EA
089490099A G28 BRKT 089490098WCA KB 1.000 EA
415072001B CLAMP 1.000 EA
083199126RA G28 MOLDED FAN COVER W/BAFFLE ASSEMBLY 1.000 EA
034180014DA KEY 1/4X1/4X1-3/4 L 1.000 EA
078548001R FAN KB 234/150 (84) 400 1.000 EA
004824015AP GREASE MOBILITH SHC 220 1.160 LB
032018020FK HHCS 3/4-10X2-1/2 PLTD. 4.000 EA
032018008CK HHCS 3/8-16X1L PLATED 4.000 EA
032018030DK HHCS 1/2-13X3-3/4 PLTD. 3.000 EA
415096002A CPLG 1/8 HEX TYPE 1.000 EA
034630002AB CPLG 1/4" PLATED 1.000 EA
034017014AB LCKW 3/8 STD. PLATED 4.000 EA
034530064BB P/NIP 1/4X8 PLATED 1.000 EA
034530064AB P/NIP 1/8 X 8" L Pipe Nipple 1.000 EA
034690005AB PPLG 3/4 PLATED 1.000 EA
Page 6 of 16
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Product Information Packet: EM4408TR-4 - 250HP,1785RPM,3PH,60HZ,449T,TEFC,F1
Parts List (continued)
Part Number Description Quantity
034690002AB PPLG 1/4" PLTD. 1.000 EA
034690001AB 1/8" NPT SQHDPLG 1.000 EA
032620016LA SOCKET SET SCREW-449 3.000 EA
702623022A G28 AIR DEFLECTOR DRIVE END -- PLASTIC 1.000 EA
418151014G RETAIN RING 1.000 EA
418151014G RETAIN RING 1.000 EA
034630002AB CPLG 1/4" PLATED 1.000 EA
034530056BB P/NIP 1/4X7 SCHED 40 1.000 EA
034690002AB PPLG 1/4" PLTD. 1.000 EA
034690001AB 1/8" NPT SQHDPLG 1.000 EA
702623013A THERMAL BARRIER -- G28 -- BRACKET MTD 1.000 EA
032018004BK HHCS 5/16-18X1/2 PLATED 3.000 EA
034017013AB LCKW 5/16 STD. PLATED 3.000 EA
089490101A G28 BRKT 089490100WCA 1.000 EA
032018020FK HHCS 3/4-10X2-1/2 PLTD. 4.000 EA
032018030DK HHCS 1/2-13X3-3/4 PLTD. 3.000 EA
034530056AB 1/8 X 7 PP NIPPLE 1.000 EA
415096002A CPLG 1/8 HEX TYPE 1.000 EA
032018006BK HHCS 5/16-18X3/4 PLATED 3.000 EA
034001013AB FLTW BAFFLE 3.000 EA
415915007G GASK, LAC 1.000 FT
702658001B +C/BOX, PAINTED 440 1.000 EA
702658002A +C/BOX CVR, PAINTED 440 1.000 EA
406056008A GASKET, TERBD 440 1.000 EA
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Page 8
Product Information Packet: EM4408TR-4 - 250HP,1785RPM,3PH,60HZ,449T,TEFC,F1
418153001A GASK 440 1.000 EA
418150003A GREASE FITTING CAP 1.000 EA
MG1025Y17 WILKOFAST, 789.701, SUPER E PEARL GOLD 0.500 GA
032018008DK HHCS 1/2-13X1 PLATED 4.000 EA
035000001A ALFTG 1/8" 1610-BL 1.000 EA
415000103D T/LUG #4AWG-1/0AWG W/HOLE FOR .250 BOLT 1.000 EA
033512006LB HHTTS 1/4-20X3/4 PLTD. 8.000 EA
406099000A PLUG - FAN COVER 320-440 1.000 EA
033512004LB HHTTS 1/4-20X1/2 PLTD. 1.000 EA
035000001A ALFTG 1/8" 1610-BL 1.000 EA
418150003A GREASE FITTING CAP 1.000 EA
033775004EA DRSCR #6-1/4 304 S.S. 2.000 EA
034180054KA 7/8 SQ X 6.75 KEY 1.000 EA
604797056 400-447 FRAME 60 X 42 1.000 EA
032510026D CARRIAGE BOLT - 440 2.000 EA
034001014AB FLAT WASHER 3/8"PLATED 2.000 EA
032018028CK HHCS 3/8-16X3-1/2 PLTD. 1.000 EA
604797001R 440 FR. ROLLER BEARING MOTOR SHAFT 1.000 EA
000692000RT N/P 1.000 EA
034001016AB WSHR .562ID 1.375OD .109 2.000 EA
034001014AB FLAT WASHER 3/8"PLATED 1.000 EA
033300014AC HEX NUT, SHIPPING - 400 2.000 EA
604799003C PLASTIC BAG 42X32X46 1.000 EA
034001016AB WSHR .562ID 1.375OD .109 1.000 EA
Page 8 of 16
Page 9
Product Information Packet: EM4408TR-4 - 250HP,1785RPM,3PH,60HZ,449T,TEFC,F1
449TSC 250 P 3/60 1785 460
276 CONT 40/F 1.15 B G TEFC
833428 418143052LE --- --- .0128
0 67.9 1800 4.53 0
62.6 94.4 1796 65.7 94.4
125 145 1792 83.6 96.2
187 208 1788 87.6 96.4
250 276 1783 88.3 96.2
313 345 1778 88.6 95.7
LB.-FT.
0 143 1053 1813
1200 126 931 1486
1726 251 1847 893
1783 100 736 276
460. VOLT
TYPICAL DATA
XE MOTOR-NEMA NOM. EFF. 96.2 PCT.
J. P. TSAO
C. E. JAMISON
A44WG5150-R001
W. L. SMITH
11/20/14
05/11/20
Printed on 5/11/20 14:49 @ bengap01.ba
REL.
S.O.
FRAME HP TYPE
PHASE/
HERTZ
RPM VOLTS
AMPS DUTY
AMB C/
INSUL.
S.F.
NEMA
DESIGN
CODE
LETTER
ENCL.
E/S ROTOR
TEST
S.O.
TEST
DATE
STATOR RES.@25 C
OHMS (BETWEEN LINES)
PERFORMANCE
LOAD HP AMPERES RPM
%
POWER FACTOR
%
EFFICIENCY
NO LOAD
1/4
2/4
3/4
4/4
5/4
SPEED TORQUE
RPM
TORQUE
% FULL LOAD
TORQUE
AMPERES
LOCKED ROTOR
PULL UP
BREAKDOWN
FULL LOAD
AMPERES SHOWN FOR CONNECTION. IF OTHER VOLTAGE CONNECTIONS ARE AVAILABLE, THE
AMPERES WILL VARY INVERSELY WITH THE RATED VOLTAGE
REMARKS:
DR. BY
CK. BY
APP. BY
DATE
A-C MOTOR
P
ERFORMANCE
DATA
ISSUE DATE
xt
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Page 10
Product Information Packet: EM4408TR-4 - 250HP,1785RPM,3PH,60HZ,449T,TEFC,F1
1785 1.15 418143052LE
449TSC 460 B TYPICAL DATA
250 276 G ---
P CONT TEFC .0128
3/60 40/F 833428
Printed on 5/11/20 14:49 @ bengap01.baldor.com
REL S.O.
FRAME
HP
TYPE
PHASE/HERTZ
RPM
VOLTS
AMPS
DUTY
AMB C/INSUL
S.F.
NEMA DESIGN
CODE LETTER
ENCLOSURE
E/S
ROTOR
TEST S.O.
TEST DATE
STATOR RES.@ 25 C
OHMS (BETWEEN LINES)
A-C MOTOR
PERFORMANCE
CURVES
DR. BY
CK. BY
APP. BY
DATE
ISSUE DATE
AMPERES SHOWN FOR
AMPERES WILL VARY INVERSELY WITH THE RATED VOLTAGE.
CONNECTION, IF OTHER VOLTAGE CONNECTIONS ARE AVAILABLE, THE
xt
460 VOLT
J. P. TSAO
C. E. JAMISON
W. L. SMITH
11/20/14
A44WG5150-R001
05/11/20
0 200 400 600 800 1000 1200 1400 1600 1800
SPEED IN RPM,(FLT = 736 LB FT )
0 400 800 1200 1600 2000 2400
AMPS AT 460 VOLTS (1)
0 400 800 1200 1600 2000 2400
TORQUE IN LB FT (2)
1
2
0 40 80 120 160 200 240 280 320 360 400 440
HORSEPOWER
0 50 100 150 200 250 300 350 400
AMPS AT 460 VOLTS (1)
0 20 40 60 80 100
P F (2) & EFF (3) IN %
1768 1772 1776 1780 1784 1788 1792 1796 1800
SPEED IN RPM (4)
1
2
3
4
FL
XE MOTOR-NEMA NOM EFF 96 2 PCT
Page 10 of 16
Page 11
Product Information Packet: EM4408TR-4 - 250HP,1785RPM,3PH,60HZ,449T,TEFC,F1
1785 1.15 418143052LE
449TSC 460 B TYPICAL DATA
250 276 G ---
P CONT TEFC .0128
3/60 40/F 833428
Printed on 5/11/20 14:49 @ bengap01.ba
REL. S.O.
FRAME
HP
TYPE
PHASE/HERTZ
RPM
VOLTS
AMPS
DUTY
AMB C/INSUL
S.F.
NEMA DESIGN
CODE LETTER
ENCLOSURE
E/S
ROTOR
TEST S.O.
TEST DATE
STATOR RES.@ 25 C
OHMS (BETWEEN LINES)
A-C MOTOR
PERFORMANCE
CURVES
REMARKS:
DR. BY
CK. BY
APP. BY
DATE
ISSUE DATE
AMPERES SHOWN FOR
AMPERES WILL VARY INVERSELY WITH THE RATED VOLTAGE.
VOLT CONNECTION, IF OTHER VOLTAGE CONNECTIONS ARE AVAILABLE, THE
1
2
3
4
56789
1
2
3
4
56789
1
2
3
4
56789
10
xt
0 200 400 600 800 1000 1200 1400
% FULL LOAD CURRENT
TIME IN SEC.
0
00
00
OVERLOAD
ACCELERATION
LOCKED-ROTOR
LOCKED-ROTOR, 40 C
MOTOR INITIAL TEMPERATURE:
132
C FOR OVERLOAD AND ACC
132 C FOR LOCKED-ROTOR
THERMAL LIMIT CURVE
XE MOTOR-NEMA NOM EFF 96 2 PCT
460
J. P. TSAO
C. E. JAMISON
W. L. SMITH
11/20/14
A44WG5150-R001
05/11/20
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Product Information Packet: EM4408TR-4 - 250HP,1785RPM,3PH,60HZ,449T,TEFC,F1
1 OF 1
SHEET NUMBER
32 03
12.03
20 00
25 00
6 88
K'WAY
53.22
V=8.39
N-W=8.50
3.375
+-.000
.001
3/8-16 UNC
1/2-13 UNC
BA=7.50
20.00
4.88
.875
SQ. KEY
N=8.44
6.00
1
4.60
18.00
22.00
24.24
37.89
4 60
9.00
11.00
6.41
18.62
13.75
7.46
14.08
10.99
+-.01
.05
1.24
12.50
4.60
THRU
8X
.81 THRU
(MOUNTING HOLES)
DUTY MASTER ALTERNATING CURRENT MOTORS
SQUIRREL-CAGE INDUCTION
G449T/G447T FRAME MOUNTING HOLES
1
OBSTRUCTION MUST NOT ENCROACH ON AIR INLET
CONDUIT BOX LOCATED ON OPPOSITE SIDE WHEN F-2
IF MOUNTING CLEARANCE DETAILS ARE REQUIRED CONSULT FACTORY
MAX PERMISSIBLE SHAFT RUNOUT WHEN MEASURED AT END OF STANDARD SHAFT EXTENSION IS 003 T I R
DIMENSIONS ARE IN INCHES
WEIGHT (LBS): 3080 MOTOR WEIGHTS MAY VARY BY 15% DEPENDING ON RATING
CUSTOMER IS RESPONSIBLE FOR DETERMINING THAT MOTOR PERFORMANCE IS SUITABLE IN THE APPLICATION
ENCLOSURE: TOTALLY ENCLOSED
MOUNTING: FOOT, F1
COOLING: FAN COOLED
D
C
B
A
A
B
C
D
1
2
3
4
5
6
7
8
8
7
6
5
4
3
2
1
E
F
E
F
C
617427-209
617427-209
01
0000010371 1
617 27-209
10 53 7 07/27/2017
A
USJEDIL
UPDATE DS QUALITY
617427-209
TDR
VERSION
MODEL NO.
REVISED
BY
REV
REV. DESC
G 9/ 7T TEFC F1 FOOT SIDE/CENTER STEEL CONDUIT BOX
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Product Information Packet: EM4408TR-4 - 250HP,1785RPM,3PH,60HZ,449T,TEFC,F1
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Product Information Packet: EM4408TR-4 - 250HP,1785RPM,3PH,60HZ,449T,TEFC,F1
Marketing maintained PDF of MN408:
MN408?ManNumber=MN408
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Product Information Packet: EM4408TR-4 - 250HP,1785RPM,3PH,60HZ,449T,TEFC,F1
Marketing maintained PDF of MN416:
MN416?ManNumber=MN416
Page 15 of 16
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