AC Motor, 20 hp, Marathon® Blue Chip®, Explosion Proof, 3 ph

Description

Marathon® Blue Chip® AC Motor, 2-Pole Continuous-Duty, Explosion Proof AC Motors, Severe Duty Motors, Inverter Ready Special Features, 20 hp, 230/460 V AC, 47/23.4 A, 60 Hz Frequency, 3 ph, 3537 rpm Speed, 1 Speed, XPFC Enclosure, 256T Frame, 1.63 in Dia x 4.18 in L Shaft, Reversible Rotation, 1.15 Service Factor, Ball Bearing, 37.5 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, 25.27 in L x 20.3 in W x 14.06 in H Dimensions

Features:

• Blue Chip® motor quality, 100% cast iron construction for rigidity and reduced vibration
• Internal and external surfaces treated with epoxy paint
• Normally closed thermostats (must be connected to control circuit)
• Shaft slinger
• Meets temperature code T3B
• Horizontal motor orientation
• Squirrel cage inverter rated
• Precision balanced to .08 in/sec, Extended grease tubes
• Automatic reset thermal protector prevents overheating
• Permanently lubricated, double-sealed bearings extend the lifetime of the motor
• Vertical/horizontal mounting for proper placement of the fan within airflow

Standards/Approval:

• NEMA Premium® XRI® Efficiency

Warranty:

3 Years

Amperage Rating	47/23.4 A
Bearing Type	Ball
Constant Torque Speed Range	10:1
Dimensions	25.27 in L x 20.3 in W x 14.06 in H
Enclosure Type	XPFC
Frame	256T
Frequency Rating	60 Hz
Horsepower	20 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	1.63 in Dia x 4.18 in L
Special Features	Explosion Proof AC Motors, Severe Duty Motors, Inverter Ready
Manufacturer	Marathon®