Details

Description

Marathon® AC Motor, 4-Pole Continuous/Inverter Duty Low Voltage, Application Type: Vertical Hollow Shaft P-Base Motors, Special Features: Squirrel Cage Inverter Rated Motors, 300 hp, 460 V AC, 344 A, 60 Hz, 3 ph, 1780 rpm, 1 Speed, IP23, WP1 Enclosure, 449TPV Frame, 2-5/8 in Dia x 0.275 in L Extension Shaft, CCW/Reversible without Non-Reversible Ratchet, Service Factor: 1.15, Deep Groove Ball Drive End/Duplex Tandem Angular Contact Opposite Drive End Bearing, 885 ft-lb Full Load Torque, Round Mount, 40 deg C, Insulation Class: Class F, Cast Iron, Variable Torque Speed Range: 3:1, 55 in L x 54.93 in H

Features:

High thrust
Top angular contact bearings
Non-reverse ratchet is standard
Couplings of alternative sizes are available through Modification Center
Inverter duty 3:1 variable torque with non-reverse ratchet

Standards/Approval:

CE Certified
CSA Certified
UL Recognized
NEMA Premium® Efficiency
NEMA Design Code: B

Warranty:

12 months

Attributes/Specifications

Amperage Rating	344 A
Application Type	Vertical Hollow Shaft P-Base Motors
Bearing Type	Deep Groove Ball Drive End/Duplex Tandem Angular Contact Opposite Drive End
Dimensions	55 in L x 54.93 in H
Enclosure Type	IP23, WP1
Frame	449TPV
Frequency Rating	60 Hz
Horsepower	300 hp
Insulation Class	Class F
Material	Cast Iron
Mounting Type	Round
Number of Speeds	1
Phase	3
Rotation	CCW/Reversible without Non-Reversible Ratchet
Service Factor	1.15
Shaft Size	2-5/8 in Dia x 0.275 in L Extension
Special Features	Squirrel Cage Inverter Rated Motors
Manufacturer	Marathon®