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AO Smith / Century Electric Motors
48Y/56Y Square Flange Swimming Pool Pump Motors
Magnetek Centurion Motors
Single Speed & Dual Speed
Motors do not have switches or power cords

Please scroll down page before making selection
There are four different variations of this motor listed

Square Mounting flange has 4 non-threaded bolt holes
Shaft is 5/8" diameter with threads on end
All electric motors listed are 60HZ single phase · with automatic overload protection 
 Service Factor = SF · Ball Bearings
Motors with dual voltage are shipped wired for 220 volts
1081 Duty
Electric Motors with dual voltage are normally shipped wired for 220 volts
It is your responsibility to verify the voltage connection before applying power to the motor

Remember: When comparing prices These Motors Are High Service Factor Motors (SF)
Amps are based on rated HP at Full Service Factor 
*** 2-Speed Pool Pump Motors-See Below ****
***3 Phase 230/460 volt motors-See Below***

Show AO Smith Dimension Catalog Page

Standard - Full Rated Motors
48Y Frame
Common to Sta-Rite Inground Pool Pumps
Motors do not have switches or power cords
Of course these motors will fit any pump requiring a 48Y Square Flange Motor
Motors are shipped with a rubber spacer so they will fit in place of a 56Y frame motor 

Description

• 1/2hp, 3450RPM
• 48Y Frame
• 230/115 Volts 60hz.
• 4.1/8.2 amps
• Service Factor 1.30
  ship weight 17 lbs.

• 3/4hp, 3450RPM
• 48Y Frame
• 230/115 Volts 60hz.
• 5.9/11.8 amps
• Service Factor 1.25
  ship weight 20 lbs.

• 3/4hp, 3450RPM
• 230/115 Volts 60hz.
• 6.3/12.6 amps 60hz.
• Service Factor 1.65
  Energy Efficient 
  ship weight 27 lbs.

• 1hp, 3450RPM
• 48Y Frame
• 3450RPM
• 230/115 Volts 60hz.
• 7.1/14.2 amps
• Service Factor 1.25
  ship weight 22 lbs.

• 1hp, 3450RPM
• 208-230/115 Volts 60hz.
• 16.0/8.0 amps
• Service Factor 1.65
  Energy Efficient 
  ship weight 30 lbs.

• 1½hp, 3450RPM
• 48Y Frame
• 230/115 Volts 60hz.
• 9.6/19.2 amps
• Service Factor 1.10
  ship weight 26 lbs.

• 1½hp, 3450RPM
• 208-230 Volts 60hz.
• 10.4 amps
• Service Factor 1.47
  Energy Efficient 
  ship weight 30 lbs.

• 2hp, 3450RPM
• 48Y Frame
• 208-230 Volts  60hz.
• 10.4 amps
• Service Factor 1.10
  ship weight 30 lbs.

• 2hp, 3450RPM
• 230 Volts 60hz.
• 11.2 amps
• Service Factor 1.30
  Energy Efficient 
  ship weight 32 lbs.

• 2½hp, 3450RPM
• 230 Volts 60hz.
• 11.2 amps
• Service Factor 1.00
  ship weight 32 lbs.

• 3hp, 3450RPM
• 208-230 Volts
• 15.4 amps
• Service Factor 1.15
  Energy Efficient 
  ship weight 45 lbs.

Description

• 3/4hp, 3450RPM
• 230/115 Volts 60hz.
• 5.4/10.8 amps
• Service Factor 1.25
  ship weight 25 lbs.

• 3/4hp, 3450RPM
• 208-230/115 Volts 60hz.
• 6.0-5.6/11.2 amps
• Service Factor 1.67
  Energy Efficient
  old # B661
  ship weight 30 lbs.

• 1hp, 3450RPM
• 230/115 Volts 60hz.
• 7.1/14.2 amps
• Service Factor 1.25
  ship weight 25 lbs.

• 1hp, 3450RPM
• 208-230/115 Volts 60hz.
• 7.8-7.4/14.8 amps
• Service Factor 1.65
  Energy Efficient
  old # B841
  ship weight 39 lbs.

• 1½hp, 3450RPM
• 230/115 Volts 60hz.
• 8.0/16.0 amps
• Service Factor 1.10
  ship weight 27 lbs.

• 1½hp, 3450RPM
• 208-230 Volts 60hz.
• 9.6/8.8 amps
• Service Factor 1.47
  Energy Efficient
  old # B842
  ship weight 39 lbs.

• 2hp, 3450RPM
• 230 Volts 60hz.
• 10.0 amps
• Service Factor 1.1
  ship weight 32 lbs.

• 2hp, 3450RPM
• 208-230 Volts 50/60hz.
• 11.0-10.0
• Service Factor 1.47
  Energy Efficient
  Old # B843
  ship weight 41 lbs.

• 2½hp, 3450RPM
• 230 Volts 60hz.
• 11.5 amps
• Service Factor 1.04
  ship weight 38 lbs.

• 3hp, 3450RPM
• 208-230 Volts 50/60hz.
• 15.0/13.6 amps
• Service Factor 1.15
  Energy Efficient
  Old # B844
  ship weight 40 lbs.

• 5hp, 3450RPM
• 208-230 Volts 60hz.
• 21.0-19.4 amps
• Service Factor 1.00
  PacFab # 355705
  ship weight 49 lbs.

2-Speed Square Flange Pool Pump Motors
View AO Smith 2-Speed Motor Facts
Motors do not have switches or power cords

Description

• 3/4hp (.75/.12hp)
• 3450/1725RPM
• 48Y Frame
• 230 Volts 60hz.
• 7.3/2.6 amps
• Service Factor 1.65
  Century # B980
  ship weight 30 lbs.

• 3/4hp (.75/.12hp)
• 3450/1725RPM
• 48Y Frame
• 115 Volts 60hz.
• 12.0/4.0 amps
• Service Factor 1.85
  Century # B981
  ship weight 30 lbs.

Cost
$279.72

• 1hp (1/.16hp)
• 3450/1725RPM
• 48Y Frame
• 230 Volts 60hz.
• 9.5/2.5 amps
• Service Factor 1.65
  Century # B982
  ship weight 38 lbs.

Cost
$285.97

• 1½hp (1.5/.25hp)
• 3450/1725RPM
• 48Y Frame
• 230 Volts 60hz.
• 10.1/3.7 amps
• Service Factor 1.47
  Century # B983
  ship weight 38 lbs.

Cost
$344.16

• 2hp (2/.33hp)
• 3450/1725RPM
• 48Y Frame
• 230 Volts  60hz.
• 10.0/3.0 amps
• Service Factor 1.10
  ship weight 38 lbs.

Cost
$342.62

Cal Spa Replacement Pump Motor from Franklin Electric
Motors do not have switches or power cords

 52018

• 2. 6-1/3hp
• 3450/1725RPM
• 56Y Frame
• 208-230 Volt 60hz
• 11.4/3.2 amps
• Service Factor 1.10
  Franklin Model # 1205007433
  Square Flange-No Base
  PDF Dimensional Drawing
  ship weight 45 lbs.

Cost
$386.90

Three Phase Square Flange Pump Motors 48Y Frame
Motors do not have switches or power cords
208-230/460Volts 60hz.

(Note: These motors are not normally found in residential applications) 

Description

• 1/2hp, 3450RPM
• 48Y Frame
• 208-230/460 Volts 60hz.
• 3.0/1.5 amps
• Service Factor 1.90
  ship weight 16 lbs.

• 3/4hp, 3450RPM
• 48Y Frame
• 208-230/460 Volts 60hz.
• 3.6/1.8 amps
• Service Factor 1.65
  ship weight 20 lbs.

• 1hp, 3450RPM
• 48Y Frame
• 208-230/460 Volts 60hz.
• 4.7/2.35 amps
• Service Factor 1.65
  ship weight 22 lbs.

• 1½ hp, 3450RPM
• 48Y Frame
• 208-230/460 Volts 60hz.
• 6.8/3.4 amps
• Service Factor 1.47
  ship weight 26 lbs.

• 2hp, 3450RPM
• 48Y Frame
•  208-230/460 Volts 60hz.
• 8.5/4.25 amps
• Service Factor 1.30
  ship weight 27 lbs.

• 3hp, 3450RPM
• 56Y Frame
• 208-230/460 Volts 60hz.
• 11.0-10.4/5.2 amps
• Service Factor 1.15
  Century # H994
  AO Smith Q3302
  PacFab # 355398
  ship weight 32 lbs.

• 5hp, 3450RPM
• 56Y Frame
• 13.4-13.4/6.7 amps
• Service Factor 1.00 amps
  PacFab # 355704
  ship weight 32 lbs.