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EM74254T-4

250//200HP, 1780//1480RPM, 3PH, 60//50HZ, 44

Product Information Packet PDF

Ship Weight 3,027.000 LB
UPC 781568810071

Specs

Catalog Number EM74254T-4
Enclosure TEFC
Frame 449T
Frame Material Iron
Frequency 50.00 Hz
60.00 Hz
Motor Letter Type Three Phase
Output @ Frequency 250.000 HP @ 60 HZ
200.000 HP @ 50 HZ
Phase 3
Synchronous Speed @ Frequency 1800 RPM @ 60 HZ
Voltage @ Frequency 380.0 V @ 50 HZ
460.0 V @ 60 HZ
Haz Area Class and Group CLI GP C,D; CLII GP F,G
Haz Area Division Division I
Agency Approvals UL
CSA EEV
CSA
CCSA US
Ambient Temperature 40 °C
Auxillary Box No Auxillary Box
Base Indicator Rigid
Bearing Grease Type Polyrex EM (-20F +300F)
Current @ Voltage 263.000 A @ 380.0 V
270.000 A @ 460.0 V
Design Code B
Drip Cover No Drip Cover
Duty Rating CONT
Efficiency @ 100% Load 96.2 %
Enclosure Modification Severe Duty Features
Feedback Device NO FEEDBACK
High Voltage Full Load Amps 263.0 a
Heater Indicator No Heater
Insulation Class F
Inverter Code Not Inverter
IP Rating NONE
KVA Code G
Motor Lead Quantity/Wire Size 6 @ 2/0 AWG
Motor Type A44160M
Mounting Arrangement F1
Number of Poles 4
Overall Length 53.47 IN
Power Factor 90
Product Family General Industrial
Pulley End Bearing Type Ball
Pulley Face Code Standard
Service Factor 1.00
Shaft Diameter 3.375 IN
Shaft Ground Indicator No Shaft Grounding
Shaft Rotation Reversible
Shaft Slinger Indicator Shaft Slinger
Speed 1480 rpm
1780 rpm
Speed Code Single Speed
Motor Standards NEMA
Starting Method Direct on line
Thermal Device - Bearing None
Thermal Device - Winding Normally Closed Thermostat
Haz Area Temp Code T4

Drawings

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Nameplate

MOBIL POLYREX EM
NP2496L
CLASS I GROUP C D X NO.
CLASS II GROUP F G X
OPERATING TEMP CODE T4
000613006PC
CAT.NO. SPEC NO. A44-8034-3311 FRAME 449T
HP 250//200 PHASE 3 DESIGN B TYPE P
RPM 1780//1480 HZ 60//50 AMB 40 SF 1.00
VOLTS 460//380 DUTY CONT INSUL.CLASS F
AMPS 270//263 ENCL TEFC CODE G
DRIVE END BEARING 90BC03J30X NEMA-NOM-EFFICIENCY 96.2
OPP D.E. BEARING 90BC03J30X
SER.NO.
CL I,ZONE 1,GR IIA IIB,T4 MOTOR WEIGHT
NP2475L

Performance

Parts

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