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EM44256T-4

250HP, 1189RPM, 3PH, 60HZ, 449T, TEFC, F1

Product Information Packet PDF

Ship Weight 3,125.000 LB
UPC 781568815946

Specs

Catalog Number EM44256T-4
Enclosure TEFC
Frame 449T
Frame Material Iron
Frequency 60.00 Hz
Motor Letter Type Three Phase
Output @ Frequency 250.000 HP @ 60 HZ
Phase 3
Synchronous Speed @ Frequency 1200 RPM @ 60 HZ
Voltage @ Frequency 460.0 V @ 60 HZ
XP Class and Group None
XP Division Not Applicable
Agency Approvals CSA EEV
CCSA US
Ambient Temperature 40 °C
Auxillary Box No Auxillary Box
Base Indicator Rigid
Bearing Grease Type Polyrex EM (-20F +300F)
Current @ Voltage 285.000 A @ 460.0 V
Design Code B
Drip Cover No Drip Cover
Duty Rating CONT
Efficiency @ 100% Load 95.8 %
Feedback Device NO FEEDBACK
High Voltage Full Load Amps 285.0 a
Heater Indicator No Heater
Insulation Class F
Inverter Code Inverter Ready
IP Rating NONE
KVA Code G
Motor Lead Quantity/Wire Size 6 @ 1/0 AWG
Motor Type A44160M
Mounting Arrangement F1
Number of Poles 6
Overall Length 53.22 IN
Power Factor 86
Product Family General Industrial
Pulley End Bearing Type Ball
Pulley Face Code Standard
Service Factor 1.15
Shaft Diameter 3.375 IN
Shaft Ground Indicator No Shaft Grounding
Shaft Rotation Reversible
Shaft Slinger Indicator No Slinger
Speed 1189 rpm
Speed Code Single Speed
Motor Standards NEMA
Starting Method Wye Start - Delta Run
Thermal Device - Bearing None
Thermal Device - Winding None

Drawings

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Nameplate

MOBIL POLYREX EM
NP2496L
SPEC NO. A44-7107-4238 CAT.NO. EM44256T-4 FRAME 449T
HP 250 VOLTS 460 PHASE 3 DESIGN B TYPE P
RPM 1189 AMPS 285 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 86 NEMA-NOM-EFFICIENCY 95.8
MAX CORR KVAR 68.2 GUARANTEED EFFICIENCY 95
NEMA NOM/CSA QUOTED EFF
MOTOR WEIGHT
NP2349L

Performance

Parts

Part Number Description Quantity
412118006A DRAIN 2.000 EA
078557001E FAN 440 078557001F 1.000 EA
034017014AB LCKW 3/8 STD. PLATED 4.000 EA