146
Capacitor Start Resilient Base Motors
Features:
• Class A and B Insulation
• 2, 4 and 6 Pole
• High Start Torque
• 40˚C Ambient
• Open Construction
• 60 Hz
• Reversible
• Sleeve & Ball Bearing
Applications:
Compressors, pumps, conveyors, milking machines, blowers, fans
Full Load
Service
Stock
Insul.
Approx.
Dim.
HP RPM Volts
Amps Factor Frame Number
Bearings Protector
Class “C”
“AG” Enclosure
Notes
1⁄4 1725 115/230
5.6/2.8 1.35 48
RS1024A
Sleeve
Auto
B
9.4
7.8
Open
115/230
4.5/2.6 1.35 48
C196L
Ball
Auto
B
9.3
7.8
Open D.P.
1⁄3 3450 115/208-230 7.6/3.8 1.8 48
BF1032
Ball
Auto
A
10.2
8.6
Open D.P.
55,61,66,78
115/208-230 6.2/3.4-3.1 1.25 48
B171
Ball
Auto
A
9.9
8.4
Open D.P.
1725 115/230
6.4/3.2 1.35 48
RBF1034A
Ball
Auto
B
9.4
7.8
Open D.P.
115/230
5.7/2.8 1.35 48
C105L
Ball
None
B
9.8
8.3
Open D.P.
New!
115/230
7.0/3.5 1.00 48
RS1030A
Sleeve
Auto
B
9.4
7.8
Open D.P.
115/230
6.2/3.1 1.35 48
RS1035A
Sleeve
Auto
B
9.9
8.0
Open D.P.
115/230
6.4/3.2 1.35 48Z
RS1034A
Sleeve
Auto
B
9.8
7.6
Open D.P.
273
115/230
5.2/2.6 1.35 56
C309
Ball
Auto
B
11.1
9.1
Open D.P.
150
115/208-230 6.6/3.0-3.3 1.35 56
C403
Ball
Auto
B
11.1
9.1
Open D.P.
115/208-230 6.6/3.0-3.3 1.35 56
C455
Sleeve
Auto
B
11.1
9.1
Open D.P.
115/208-230 6.6/3.0-3.3 1.35 56
C226
Ball
None
B
11.1
9.1
Open
1140 115/208-230 6.0/3.0-3.0 1.35 56
C231
Sleeve
None
B
11.4
9.5
Open D.P.
1⁄2 3450 115/230
8.8/4.4 1.25 56
RB1052A
Ball
Auto
B
10.8
8.8
Open D.P.
1
115/208-230 8.0/3.8-4.0 1.25 56
RB1052L
Ball
Auto
B
10.4
8.4
Open D.P.
115/208-230 9.4/4.7-4.7 1.60 48Z
BF1052V1
Ball
Auto
A
11.3
9.0
Open D.P. 26,55,61,66,78,100
115/208-230 8.0/3.8-4.0 1.25 48Y
B590
Ball
Auto
B
9.9
8.4
Open D.P.
275
115/208-230 9.4/4.7 1.60 48
BF1052
Ball
Auto
A
10.6
9.0
Open D.P.
55,61,66,78
115/208-230 9.4/4.7 1.60 56
BK1052
Ball
Auto
A
10.9
9.0
Open D.P.
55,61,66,78
1725 115/230
8.6/4.3 1.00 48
RS1050A
Sleeve
Auto
B
10.3
8.3
Open D.P.
115/230
8.6/4.3 1.00 56
RS1051A
Sleeve
Auto
B
10.3
8.3
Open D.P.
115/230
7.2/3.6 1.25 56
C461
Ball
Auto
B
11.1
9.1
Open D.P.
150
115/230
8.2/4.1 1.00 56
C690
Sleeve
Auto
A
11.1
9.1
Open D.P.
115/208-230 9.0/4.0-4.5 1.25 56
C607
Sleeve
Auto
B
11.1
9.1
Open D.P.
115/208-230 9.0/4.0-4.5 1.25 56
C634
Ball
None
B
11.1
9.1
Open D.P.
115/208-230 8.8/4.4 1.25 56
BK1054
Ball
Auto
B
11.6
9.6
Open D.P.
55,61,66,78
115/208-230 9.0/4.0-4.5 1.25 56
C412V1
Ball
Auto
B
11.1
9.1
Open D.P.
26
1425 110/220
9.6/4.8 1.25 56
RS1055
Sleeve
None
B
11.3
9.3
Open
1,268
Notes:
Continues on next page
  1. Item to be discontinued when stock is depleted
 26. Extended thru bolts, shaft end only
 55. Terminal board
 61. Start capacitor inside
 66. Sealed switch design
 78. Moderate start torque
100. 1/2 diameter shaft
150. 50/60 Hz
268. 50 HZ
273. 48Z = 5/8” dia x 2” shaft, with 3” height
275. 48-56 Frame mounting — 3” shaft height, sleeve and key adapter to 5/8” shaft .
See page 272 for mounting dimensions
Shaft Dimensions
48 = 1/2” Flat x 1-5/8”
56 = 5/8” Keyed x 1-7/8”
BK1054
RB1054A
C690
1...,138,139,140,141,142,143,144,145,146,147 149,150,151,152,153,154,155,156,157,158,...324