By Century Motors


Details

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Part # 5221AX

Warranty 1 Year

Manufacturer Code B638

Alternate Part #'s 1-184948-22, 10-165118-04, 10-182259-04, 10-184948-22, 10-186085-20, 1203005400, 1203165400, 13-184948-22, 14449, 151962, 164719, 165118, 16511800, 177948, 18-184948-22, 181096, 181372, 181372PJ, 182259, 184948PJ, 186084, 186085, 52009, 8-165118-03, 8-165118-04, 8-181096-20, 8-184948-12, 8-184948-21, 816511806, 90101031, 90118571, C1437, CT1072, CT207CE, EB638, JD75FL1E, K48K2N100A1, K63CXDGG-5168, K63CXEPW-4765, 35-126-1372, AOSB638, CRMB638

Product Description

Century 3/4 HP Round Flange 56J Full Rate EE Motor - B638

Note: NOT California Title 20 Compliant. 

Other Options: (Not Compliant)

California Title 20 Compliant Option:  

Motor Dimensions Motor Dimensions
Motor Image Motor Image

Product Specifications

HP:
0.75 HP
Frame:
56J
Volts:
115/208-230 V
Speed:
Single
Amps:
5.4 - 5/10 amp
Service Factor:
1.5
Total HP:
1.13 HP
Manufacturer:
Century (A.O. Smith)
Shaft:
Threaded
Flange:
Round
RPM:
3450 RPM
Phase:
Single
Dimension Letter:
C
Dimensions:
12.69 in.
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?     Asked on 1/11/2012by Guest

What is Service Factor?
 Reply

A  Answered on 1/11/2012 by InyoPools Product Specialist Patrick P.

Service Factor(SF) is a multiplier that when multiplied by the horsepower of the motor indicates the total permissible horsepower loading that may be carried when the motor is operating at rated voltage and frequency. The most important thing to remember when replacing a motor is that the replacement motor's horsepower times its service factor must be equal to or greater than the original motor's horsepower times its service factor. The Service Factor rating can be found on the motor label. See Step 4 of our How to Read a Pool Motor Label guide.
 Reply


?     Asked on 6/22/2017by Inyo Visitor

What impeller size (3/4hp or 1hp) goes with B638 3/4 hp motor? Thanks,
 Reply

A  Answered on 6/22/2017 by InyoPools Product Specialist Hector F.

The impeller part number will depend on the model of the front pump housing that the motor bolts to. You can call and provide that or if you are not sure than you can send us an image or two of the housing to upload@inyopools.com.
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