Marathon® 250 hp AC Motor, 4-Pole, Explosion Proof - 460 V AC

Description

Marathon® Blue Chip® AC Motor, 4-Pole Continuous-Duty, Explosion Proof AC Motors, Severe Duty Motors, Inverter Ready Special Features, 250 hp, 460 V AC, 285 A, 60 Hz Frequency, 3 ph, 1785 rpm Speed, 1 Speed, XPFC Enclosure, 447/449T Frame, 3.38 in Dia x 8.76 in L Shaft, Reversible Rotation, 1.15 Service Factor, Ball Bearing, 920 ft-lb Torque, Rigid Base Mounting, 40 deg C, Insulation Class: Class F, Cast Iron, 10:1 Constant Torque Speed, 10:1 Variable Torque Speed, 51.85 in L x 39.01 in W x 24.16 in H Dimensions

Features:

• 1.15 Service Factor on sinewave or 1.0 Service Factor on IGBT power
• Roller bearing on shaft end for belted load only
• Double shielded ball bearings provide longer service life
• Continuous or continuous air over duty design allows consistent operation at the rated power(as noted)
• Various mounting configurations (as noted)
• Blue Chip quality, 100 Percent cast iron construction for rigidity and reduced vibration
• Internal and external epoxy paint
• Precision balanced to .08 in/sec, Extended grease tubes
• Normally closed thermostats (must be connected to control circuit)

Standards/Approval:

• NEMA Premium® XRI® Efficiency

Warranty:

3 Years

Amperage Rating	285 A
Bearing Type	Ball
Constant Torque Speed Range	10:1
Dimensions	51.85 in L x 39.01 in W x 24.16 in H
Enclosure Type	XPFC
Frame	447/449T
Frequency Rating	60 Hz
Horsepower	250 hp
Insulation Class	Class F
Material	Cast Iron
Mounting Type	Rigid Base
Number of Speeds	1
Phase	3
Rotation	Reversible
Service Factor	1.15
Shaft Size	3.38 in Dia x 8.76 in L
Special Features	Explosion Proof AC Motors, Severe Duty Motors, Inverter Ready
Manufacturer	Marathon®