M74254T-4, 250 Hp, 1800 Rpm, 449T FR, 460/380 Vac, 3 PH, TEFC, Foot Mounted, Explosion Proof Motor

*** This motor has been replaced by model # EM74254T-4 ***
M74254T-4, 250 Hp, 1800 Rpm, 449T FR, 460/380 Vac, 3 PH, TEFC, Foot Mounted, Explosion Proof Motor.

Output 2000.000 hp @ 50 Hz
250.000 hp @ 60 Hz
Phase 3
Synchronous Speed 1,800 rpm
Frequency 50 Hz
60 Hz
Voltage
380 V @ 50 Hz
460 V @ 60 Hz
Enclosure TEFC
Frame Material Steel
Frame 449T
XP Class and Group Class I, Group D; Class II, Group F & G
XP Division Division I
Brand Baldor-Reliance
Agency Approvals CSA
CSA EEV
UL
UR
Ambient Temperature 40 °C
Auxillary Box No Auxillary Box
Auxillary Box Lead Termination None
Base Indicator Rigid
Bearing Grease Type POLYREX EM (-20F +300F)
Blower None
Current
263.0 A @ 380 V
270.0 A @ 460 V
Design Code B
Drip Cover No Drip Cover
Duty Rating CONT
Efficiency @ 100% Load 86.2%
Electrically Isolated Bearing No electrically isolated
Feedback Device No feedback
Front Face Code Standard
Front Shaft Indicator None
Heater Indicator No heater
High Voltage Full Load Amps 263.0 A
Insulation Class B
Inverter Code Not inverter
KVA Code L
Lifting Lugs No Lifting Lugs
Locked Bearing Indicator No Locked Bearing
Motor Lead Exit KO Box
Motor Lead Quantity/Wire Size 9 @ 18 AWG
Motor Lead Termination Flying Leads
Motor Standards NEMA
Motor Type A44160M
Number of Poles 4
Overall Length 53.47 in
Power Factor 90
Product Family General Purpose
Pulley End Bearing Type Ball Bearing
Pulley Face Code Standard
Pulley Shaft Indicator Standard
Rodent Screen No Rodent Screen
Service Factor 1.00
Shaft Diameter 3.375 in
Shaft Extension Location Pulley End
Shaft Ground Indicator No Shaft Grounding
Shaft Rotation Reversible
Shaft Slinger Indicator No Slinger
Speed 1,780 rpm
1,480 rpm
Speed Code Single Speed
Starting Method DOL
Thermal Device - Bearing None
Thermal Device - Winding Normally Closed Thermostat
Vibration Sensor Indicator No Vibration Sensor
Winding Thermal 1 None
Winding Thermal 2 None
XP Temp Code T4