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LEESON AC Induction Motors User Manual

Page 2

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100

12
12
12
12
12
12
10
12

8

12

6

12

4

12

4

10

2
8
2
8
1
6
1
4
1
4
0
4

150

12
12
12
12
10
12

8

12

6

12

4

12

4

10

2
8
2
8
1
6
0
6
0
4

00

2

000

2

200

12
12
12
12
10
12

8

12

6

12

4

12

4

10

2
8
2
6
1
6

00

4

00

2

000

2

0000

0

300

12
12
10
12

8

12

6

10

4

10

4

10

2
8
1
6
0
6

00

4

0000

2

0000

2

250

0

300

00

500

10
12

8

12

6

10

4
8
2
8
1
8
0
6

000

4

000

4

0000

2

300

0

300

0

500

00

500
000

SINGLE PHASE MOTORS - 230 VOLTS

H.P.

1 1/2

2
3
5

7 1/2

100

10
10

8
6
6

150

8
8
8
4
4

200

8
8
6
4
3

300

6
6
4
2
1

500

4
4
2
0
0

TRANSFORMER

KVA

3
3
5

7 1/2

10

DISTANCE - MOTOR TO TRANSF. IN FT.

Installation

After unpacking, check for damage. Be sure that shaft rotates freely. Before making electrical power connections,
check for proper grounding of motor and application. All electrical contacts and connections must be properly
insulated and enclosed. Couplings, belts, chains or other mounted devices must be in proper alignment, balance
and secure to insure safe motor operation.

Electrical Wiring

Prior to connecting to the power line, check nameplate for proper voltage and rotation connection. This motor
should be installed in compliance with the National Electrical Code and any other applicable codes. Voltage at
motor not to exceed + or -10% of nameplate. Authorized person should make all electrical connections.

Mounting

This motor should be securely mounted to the application. Sufficient ventilation area should be provided to
insure proper operation.

RECOMMENDED COPPER WIRE & TRANSFORMER SIZE

Installation Maintenance Instructions

AC Induction Motors

VOLTS

230
460
230
460
230
460
230
460
230
460
230
460
230
460
230
460
230
460
230
460
230
460
230
460
230
460
230
460

THREE PHASE MOTORS - 230 & 460 VOLTS

H.P.

1 1/2
1 1/2

2
2
3
3
5
5

7 1/2
7 1/2

10
10
15
15
20
20
25
25
30
30
40
40
50
50
60
60
75
75

TRANSFORMER

KVA

3
3
3
3
5
5
7

1/2

7 1/2

10
10
15
15
20
20

Consult

Local

Power

Company

DISTANCE - MOTOR TO TRANSF. IN FT.