Leeson – 170121
Cast Iron, WATTSaver, Totally Enclosed
50.0HP, 1800RPM, 326T, TEFC, 575V,
General Purpose
Catalog Number: 170121

Premium efficient ratings
Inverter rated
Class B insulation systems – 42, 48 and 56 frames; Class F insulation system – 140 frame and higher
Shielded ball bearings for direct coupled applications. Contact your local sales office for belted load applications
Cast iron frame material designs
Dynamically balanced rotors
Torques exceed NEMA performance standards
UL recognized and CSA certified
Continuous duty

Output HP: 50 Hp
Output KW: 37.0 kW
Frequency: 60 Hz
Voltage: 575 V
Current: 46.0 A
Speed: 1780 rpm
Service Factor: 1.15
Phase: 3
Efficiency: 94.1 %
Power Factor: 86.5
Duty: Continuous
Insulation Class: F
Design Code: B
KVA Code: G
Frame: 326T
Enclosure: Totally Enclosed, Fan Cooled
Thermal Protection: No Protection
Max Ambient Temperature: 40 °C
Drive End Bearing Size: 6312
Opp Drive End Bearing Size: 6312
Recognized Agencies: UL, CSA
IP Code: 43
Number of Speeds: 1
Electrical Type: Squirrel Cage, Inverter Rated
Starting Method: Wye Start, Delta Run Or Inverter
Poles: 4
Rotation: Reversible
Resistance Main: .207 Ohms
Mounting: Rigid Base
Motor Orientation: Horizontal
Frame Material: Cast Iron
Shaft Type: T
Overall Length: 31.02 in
Shaft Diameter: 2.125 in
Shaft Extension: 5.25 in
Assembly/Box Mounting: F1 ONLY
Inverter Load:CONSTANT 10:1