SIEMENS
3-9
2015 Low Voltage AC Motors Selection and Pricing Guide
Special features detail
V-belt sheave
Recommended sheave diameters
HP
RPM
Frame
Narrow V
1
Min. dia.
Std. V
2
Min. dia.
50
900
404T
8.4
9.0
60
1800
364T
7.4
7.4
60
1200
404T
8.0
9.0
60
900
405T
10.0
10.0
75
1800
365T
8.6
9.0
75
1200
405T
10.0
10.0
75
900
444T
9.5
13.0
100
1800
405T
8.6
10.0
100
1200
444T
10.0
11.8
100
900
445T
12.0
15.0
125
1800
444T
10.5
12.0
125
1200
445T
12.4
15.2
125
900
447T
14.0
18.5
150
1800
445T
10.5
13.2
150
1200
447T
11.6
16.1
15
900
447T
14.6
24.7
200
1800
447T
13.2
15.8
200
1200
449T
14.6
25.0
200
900
449T
18.0
–
250
1800
449T
13.0
18.4
250
1200
449T
18.2
–
250
900
S449LS
19.8
–
300
1800
449T
15.4
24.8
300
1200
S449LS
18.4
–
350
1800
S449LS
15.8
–
350
1200
S449LS
21.0
–
400
1800
S449LS
18.0
–
Notes:
1. Example: 3V, 5V, 8V.
Sheave face cannot overhand end of shaft.
2. Example: A, B, C, D section.
Center of sheave width cannot overhang end of shaft.
3. Do not exceed belt service factor of 1.6. Follow manufacturer’s instructions for alignment and belt tensioning.
Position sheaves as close to the drive end bearing as possible. (Maximum 1/2” from shaft shoulder).
4. Maximum speed reduction of 5:1.
5. Shaft center distance approximately equal to diameter of largest sheave.
6. All dimensions in inches.
Introduction
General
PurposeMotors
Hazardous
Duty Motors
Definite
Purpose Motors
Special
Features Detail
Options Selection
and Pricing
Typical
Performance Data
General
Dimensions
Severe
Duty Motors
Part Number
Index