Marathon® AC Motor, 20 hp, 230/460 V AC, 4-Pole, TEFC Enclosure

Description

Marathon® AC Motor, 4-Pole Continuous/Inverter Duty Low Voltage, Close Coupled Motors Application, Squirrel Cage Inverter Rated Motors Special Features, 20 hp, 230/460 V AC, 48.5/24.2 A, 60 Hz Frequency, 3 ph, 1768 rpm Speed, 1 Speed, IP55, TEFC Enclosure, 256JP Frame, 1-1/4 in Dia x 8.37 in L Extension Shaft, Reversible Rotation, 1.15 Service Factor, Deep Groove Ball Bearing, 59.4 ft-lb Full Load Torque, Rigid Base Mounting, 40 deg C, Insulation Class: Class F, Cast Iron, 10:1 Constant Torque Speed, 10:1 Variable Torque Speed, 30.76 in W x 17.38 in D x 15.14 in H Dimensions

Features:

• Standard assembly F1, reversible to F2 assembly
• MAX GUARD Class F insulation system, Internal and external epoxy paint
• Blue Chip quality, 100 Percent cast iron construction for rigidity and reduced vibration
• 1.15 Service Factor on sinewave or 1.0 Service Factor on IGBT power
• Precision balanced to .08 in/sec, Extended grease tubes
• Normally closed thermostats (must be connected to control circuit)

Standards/Approval:

• CE Certified
• CSA Certified
• Compliance with EISA2007 Hazardous Duty Division 2, Zone 2, Class I, Groups A,B,C,D Temperature Code T2B
• NEMA Premium® Efficiency
• UL Listed
• NEMA Design Code: B

Warranty:

12 months

Amperage Rating	48.5/24.2 A
Application Type	Close Coupled Motors
Bearing Type	Deep Groove Ball
Constant Torque Speed Range	10:1
Dimensions	30.76 in W x 17.38 in D x 15.14 in H
Enclosure Type	IP55, TEFC
Frame	256JP
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	1-1/4 in Dia x 8.37 in L Extension
Manufacturer	Marathon®