Brochure
www.centuryelectricmotors.ca
Century® Multi-Speed • Three Phase Motors
Dripproof - Rigid Base - Two Speed
Variable Torque - 1/.44 thru 30/13.3 HP
• Ball Bearings • Service Factor 1.15 • 60 Hz
• Open Dripproof • Rigid Base • 40˚C Ambient
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 Dim. Efficiency Efficiency Notes
2-1-VT ·Two Speed · Two Winding · Variable Torque
1~.44 1745/1140 1 .30 460 1.7/1.1 145T M109V1 B 12.6 New!
1.5~.68 1745/1140 1-1.2 .44 200-230 4.8-4.6/2.8-2.7 145T M125V1 B 13.1 New!
1.5~.68
1745/1140 1-1/2 .44 460 2.4/1.4 145T M104 B 13.1 75.0 71.0 21
1.5~.68 1725/1140 1-1/2 .44 460 2.1/1.3 145T M104V1 B 13.1 New!
2~.88 1750/1170 2 .59 200-230 6.4-6.1/3.8-4.1 182T M220 B 12.6 81.0 72.0
2~.88 1760/1175 2 .59 460 3.0/2.0 182T M207 B 12.6 80.0 70.0
3~1.3 1740/1160 3 .89 200-230 9.0-8.4/4.8-4.8 184T M221 F 12.6 81.0 75.0
3~1.3 1760/1170 3 .89 460 4.6/2.6 184T M208 B 12.6 82.5 74.0
5~2.2 1750/1160 5 1.48 200-230 16.0-15.5/9.7-10.2 215T M320 B 15.6 86.0 78.0
5~2.2 1750/1160 5 1.48 460 7.1/4.8 215T M305 B 15.6 78.0 71.0
7.5~3.3 1760/1170 7.5 2.22 200-230 22.0-19.5/12.3-12.3 215T M317 F 18.3 89.0 85.0
7.5~3.3 1770/1175 7.5 2.22 460 10.0/6.0 215T M315 F 16.6 87.0 80.0
10~4.4 1775/1175 10 2.96 200-230 27.0-24.0/14.5-13.0 256T M421 F 22.1 88.0 80.0
10~4.4 1775/1175 10 2.96 460 12.0/6.3 256T M413 F 22.1 87.0 82.0
15~6.7 1775/1175 15 4.40 200-230 40.0-36.0/20.0-19.0 284T M521 F 24.3 86.0 85.0
15~6.7 1775/1175 15 4.40 460 18.0/9.5 256T M423 F 22.1 86.0 81.0
20~8.9 1770/1175 20 5.93 200-230 54.0-48.0/28.0-26.0 286T M522 F 24.3 89.0 86.0
20~8.9 1770/1175 20 5.93 460 24.0/13.0 286T M504 F 24.2 90.0 84.0
25~11.0 1770/1180 25 7.40 460 29.0/17.5 286T M515 F 24.3 91.0 86.0
30~13.3 1770/1170 30 8.90 460 36.0/18.5 286T M514 F 24.3 91.0 88.0
21.Terminalinbracketconstruction
*
Theoperatinghorsepowerisbasedonthetypeloadwherethehorsepowerrequired
variesasthecubeofthespeed.Examplesofsuchloadsarefanorblowersystems
andcentrifugalpumps.Two-speedmotorperformancedatasheetsareavailablefrom
yourCenturyCustomerServiceCenter.
M207