LEESON Electric 300HP 1800RPM TEFC Motor, 449T Frame, 3/60/460V

Description

Marathon, 449TTFCD16374, General Purpose Motor, Squirrel Cage Inverter Rated, General Purpose AC Motor Application, 2:1 Constant Torque Operation, 88.5 % Power Factor, 96.2 % Efficiency, Squirrel Cage Motor Special Features, 300 & 250 hp, 460, 380 V, 332 & 331 A, 60 & 50 Hz Frequency, 3 ph, 1790 & 1488 rpm Speed, 1 Speed, TEFC Enclosure, 449T Frame, 3.375 in Dia Shaft, Reversible Rotation, 1.15 Service Factor, Ball Bearing, Rigid Base Mounting, 40 deg C, Cast Iron

Features:

• F1/F2 capable, Dynamically balanced rotors, Steel conduit box
• Modifications and Kits are available
• High ratio of pullout full load torque
• Ratings up to approximately 450 kW
• larger outputs available for certain specific requirements
• Supply voltages up to 660 V
• Insulation class F/F (stator/rotor) with temperature rise limited to Class B/B stator/rotor

Standards/Approval:

• NEMA Premium® Standard
• EISA2007
• UL Listed
• CE Mark
• IP55
• CSA Certified
• UL Recognized

Amperage Rating	332 & 331 A
Application Type	General Purpose AC Motor
Bearing Type	Ball
Enclosure Type	TEFC
Frame	449T
Frequency Rating	60 & 50 Hz
Horsepower	300 & 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	3.375 in Dia
Special Features	2:1 Constant Torque Operation, 88.5 % Power Factor, 96.2 % Efficiency, Squirrel Cage Motor
Speed	1790 & 1488 rpm
Manufacturer	LEESON ELECTRIC CORPORATION