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www.centuryelectricmotor.com
Century® Multi-Speed • Three Phase Motors
Dripproof - Rigid Base - Two Speed
Variable Torque - 2
~
.5 thru 25
~
6.5 HP
For two-speed, one and two winding, variable torque applications for speed control from one speed to another while under load.
Blowers, fans, conveyors, mixing machines, centrifugal pumps.
Oper. HP Oper. HP Full Load Stock Insul. “C” High Spd. Low Spd.
HP
RPM
High
Spd.*
Low
Spd.*
Volts
Amps
Frame
Number
Class
Rotation
Dim.
Efficiency
Efficiency
2-2-VT ·Two Speed · Two Winding · Variable Torque
1750/875 2 .25 460 3.0/1.2 182T B REV 12.6 78.5 62.0
1750/860 3 .37 460 4.3/2.0 184T B REV 12.6 75.0 61.0
1760/880 5 .63 460 7.1/3.3 215T B REV 15.6 83.0 55.0
1760/880 7
1/2
.94 460 9.6/4.6 215T F REV 16.6 86.0 70.0
1770/880 10 1.25 460 12.5/5.5 256T F RCC 22.1 87.0 74.0
1760/875 15 1.87 460 18.0/7.5 256T F RCC 22.1 88.0 75.0
1755/875 20 2.5 460 24.5/10.0 286T F RCC 24.3 87.0 77.0
1755/875 25 3.12 460 30.0/12.0 286T F RCC 24.3 89.0 84.0
*
Theoperatinghorsepowerisbasedonthetypeloadwherethehorsepowerrequiredvariesasthecubeofthespeed.Examplesofsuchloadsarefanorblower
systemsandcentrifugalpumps.Two-speedmotorperformancedatasheetsareavailablefromyourCenturyCustomerServiceCenter.
M314
• Ball Bearings • 60 Hz
• Open Dripproof • 40˚C Ambient
• Rigid Base • Service Factor 1.15