Product Information Packet
EM4408T-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.
Product Information Packet: EM4408T-4 - 250HP,1785RPM,3PH,60HZ,449T,TEFC,F1
Part Detail
Revision: C Status: PRD/A Change #: Proprietary: No
Type: AC Elec. Spec: A44WG4245 CD Diagram: 416820-008 Mfg Plant:
Mech. Spec: Layout: 617427-209 Poles: 04 Created Date: 04-13-2015
Base: Eff. Date: 09-04-2019 Leads: 6#2/0
Specs
Catalog Number: EM4408T-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
Heater Indicator: No Heater
Insulation Class: F
Inverter Code: Inverter Ready
IP Rating: NONE
KVA Code: G
Motor Lead Quantity/Wire Size: 6 @ 2/0 AWG
Motor Type: A44144M
Mounting Arrangement: F1
Power Factor: 88
Product Family: General Industrial
Pulley End Bearing Type: Ball
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: Wye Start - Delta Run
Page 2 of 14
Product Information Packet: EM4408T-4 - 250HP,1785RPM,3PH,60HZ,449T,TEFC,F1
Feedback Device: NO FEEDBACK Thermal Device - Bearing: None
Thermal Device - Winding: None
Page 3 of 14
Product Information Packet: EM4408T-4 - 250HP,1785RPM,3PH,60HZ,449T,TEFC,F1
Nameplate NP2496L
MOBIL POLYREX EM
Page 4 of 14
Product Information Packet: EM4408T-4 - 250HP,1785RPM,3PH,60HZ,449T,TEFC,F1
Nameplate NP2349L
SPEC NO. A44-7125-4245 CAT.NO. EM4408T-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 90BC03J30X 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 52.4 GUARANTEED EFFICIENCY 95.4
NEMA NOM/CSA QUOTED EFF
MOTOR WEIGHT
Page 5 of 14
Product Information Packet: EM4408T-4 - 250HP,1785RPM,3PH,60HZ,449T,TEFC,F1
Parts List
Part Number Description Quantity
SA299260 SA A44-7125-4245 1.000 EA
RA286274 RA A44-7125-4245 1.000 EA
421948044 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
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
004824015A GREASE POLYREX EM 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
410700004A WSHR 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 14
Product Information Packet: EM4408T-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
034630002AB CPLG 1/4" PLATED 1.000 EA
034530064BB P/NIP 1/4X8 PLATED 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
089490099A G28 BRKT 089490098WCA KB 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
034530064AB P/NIP 1/8 X 8" L Pipe 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
418153001A GASK 440 1.000 EA
Page 7 of 14
Product Information Packet: EM4408T-4 - 250HP,1785RPM,3PH,60HZ,449T,TEFC,F1
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
034001016AB WSHR .562ID 1.375OD .109 2.000 EA
033300014AC HEX NUT, SHIPPING - 400 2.000 EA
604799003C PLASTIC BAG 42X32X46 1.000 EA
Page 8 of 14
Product Information Packet: EM4408T-4 - 250HP,1785RPM,3PH,60HZ,449T,TEFC,F1
A44WG4245-R001
DATE ISSUED 11/14/17
AC MOTOR
PERFORMANCE
DATA
E.J.CHRISTIAN
W.L.SMITH
E.J.CHRISTIAN
03/21/17
DRAWN BY:
CHECKED BY:
APPROVED BY:
DATE:
AMPERES SHOWN FOR 460 VOLT CONNECTION. IF OTHER CONNECTIONS ARE AVAILABLE, THE AMPERES WILL VARY
INVERSELY WITH THE RATED VOLTAGE.
CALCULATED DATA
NEMA NOM EFF: 96.2%
276
736
100
1783
FULL LOAD
894
1747
237
1725
BREAKDOWN
1719
934
127
500
PULL UP
1807
994
135
0
LOCKED ROTOR
AMPERES
LB.-FT.
TORQUE
TORQUE
% FULL LOAD
RPM
SPEED TORQUE
95.7
88.7
1778
345
313
5/4
96.2
88.3
1783
276
250
4/4
96.4
87.1
1788
209
187
3/4
96.2
82.4
1792
148
125
2/4
94.4
63.9
1796
97.1
62.6
1/4
0
4.35
1800
71.2
0
NO LOAD
% EFFICIENCY
% POWER FACTOR
RPM
AMPERES
HP
LOAD
PERFORMANCE
.0128
---
---
418143052LE
---
STATOR RES. @25 °C
OHMS (BETWEEN LINES)
TEST
DATE
TEST
S.O.
ROTOR
E/S
TEFC
G
B
1.15
40/F
CONT
276
ENCLOSURE
CODE
LETTER
NEMA
DESIGN
S.F.
AMB °C/
INSUL
DUTY
AMPS
460
1785
3/60
P
250
449T
VOLTS
RPM
PHASE/
HERTZ
TYPE
HP
FRAME
S/O
Printed on 11/14/2017 8:37 AM
USERCHR1
Page 9 of 14
Product Information Packet: EM4408T-4 - 250HP,1785RPM,3PH,60HZ,449T,TEFC,F1
OHMS (BETWEEN LINES)
---
E/S
40/F
AMB °C / INSUL
3/60
PHASE / HERTZ
.0128
STATOR RES. @ 25°C
TEFC
ENCLOSURE
CONT
DUTY
P
TYPE
---
TEST DATE
G
CODE LETTER
276
AMPS
250
HP
CALCULATED DATA
TEST S.O.
B
NEMA DESIGN
460
VOLTS
449T
FRAME
418143052LE
ROTOR
1.15
S.F.
1785
RPM
REL S.O.
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)
120
40
80
120
160
200
240
280
320
360
400
440
HORSEPOWER
050100
150
200
250
300
350
400
AMPS AT 460 VOLTS (1)
020406080
100
P.F.(2) & EFF.(3) IN %
1768
1772
1776
1780
1784
1788
1792
1796
1800
SPEED IN RPM (4)
123
4
FL
NEMA NOM EFF: 96.2%
A44WG4245-R001
11/14/17
ISSUE DATE
AC MOTOR
PERFORMANCE
DATA
E.J.CHRISTIAN
W.L.SMITH
03/21/17
E.J.CHRISTIAN
DATE:
APPROVED BY:
CHECKED BY:
DRAWN BY:
AMPERES SHOWN FOR 460 VOLT CONNECTION, IF OTHER VOLTAGE CONNECTIONS ARE AVAILABLE, THE AMPERES WILL VARY
INVERSELY WITH THE RATED VOLTAGE.
Printed on 11/14/2017 8:37 AM
USERCHR1
Page 10 of 14
Product Information Packet: EM4408T-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
Page 11 of 14
Product Information Packet: EM4408T-4 - 250HP,1785RPM,3PH,60HZ,449T,TEFC,F1
Page 12 of 14
Product Information Packet: EM4408T-4 - 250HP,1785RPM,3PH,60HZ,449T,TEFC,F1
Marketing maintained PDF of MN408:
MN408?ManNumber=MN408
Page 13 of 14
Product Information Packet: EM4408T-4 - 250HP,1785RPM,3PH,60HZ,449T,TEFC,F1
Marketing maintained PDF of MN416:
MN416?ManNumber=MN416
Page 14 of 14
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