20HP 1800RPM Leeson Electric Motor, 256TC, 3/60/230/460

Description

Marathon, 256THFCD8038, Encoder Motor, Squirrel Cage Inverter Duty, Inverter Duty Encoder AC Motor, Variable Speed Motors Application, 86.5 % Power Factor, 92 % Efficiency, Squirrel Cage Motor Special Features, 20 hp, 230/460 V, 46.0/23.0 A, 60 Hz Frequency, 3 ph, 1772 rpm Speed, 1 Speed, TEFC Enclosure, 256TC Frame, 1.625 in Dia Shaft, Reversible Rotation, 1 Service Factor, Ball Bearing, Rigid Base Mounting, 40 deg C, Insulation Class: Class H, Cast Iron

Features:

• 2000:1 Constant torque operation from 0 to base speed on vector drive
• Normally closed thermostats (one per phase, Class F), Modifications and Kits are available
• Bi-directional fan
• Captive screws for Terminal Box cover
• No lead lengths restrictions on 460V systems or less (as noted)
• BCP Bearing Current Protection with SGR Shaft Grounding Ring Inside Motor

Standards/Approval:

• UL Recognized
• CSA Certified
• CE Mark
• NEMA MG1 Part 31
• IP55

Amperage Rating	46.0/23.0 A
Application Type	Inverter Duty Encoder AC Motor, Variable Speed Motors
Bearing Type	Ball
Enclosure Type	TEFC
Frame	256TC
Frequency Rating	60 Hz
Horsepower	20 hp
Insulation Class	Class H
Material	Cast Iron
Mounting Type	Rigid Base
Number of Speeds	1
Phase	3
Rotation	Reversible
Service Factor	1
Shaft Size	1.625 in Dia
Special Features	86.5 % Power Factor, 92 % Efficiency, Squirrel Cage Motor
Speed	1772 rpm
Manufacturer	LEESON ELECTRIC CORPORATION