Teikoku USA | Chempump
Instruction Manual NC-Series 0220
12
Table 2-5. Electrical Wiring Data 230 Volt, 3 Phase, 60 Hz NC-Series
Motor
Size
Switch
Size
AMPs
Breaker
Size
AMPs
Starter
NEMA
Size
Conductor
Size
for Motor
Leads
Conduit Size
for Motor
Leads
Conduit Size
For Motor,
PB and TCO
Leads
Fuse Size
Code and
Current
Limiting
AMPs
Fuse Size
Dual Element
AMPs
Max Setting
Time Limit
Protection
AMPs
N1
60
40
2
10
3/4
1
50
35
23.9
N2
100
70
3
6
1
1 1/4
80
70
45.1
N3
150
125
3
4
1 1/4
1 1/4
125
110
72.5
N4
200 (150)
175
4
3
1 1/4
1 1/2
150
125
101.2
N5
400
300
5
2/0
2
2 1/2
300
250
153.9
N6
600
500
6
350
2 1/2
3
450
400
298.9
N7
800 (600)
600
6
600
4
4 1/2
700
500
358.3
N8
1000 (750)
800
6
700
4 1/2
4 1/2
800
600
478.4
NL.5
30 (15)
15
0
14
1/2
3/4
15
10
9.0
NL1
30
20
1
14
1/2
3/4
20
15
12.7
NL2
60
40
2
10
3/4
1
50
35
24.2
NL3
60
60
2
10
3/4
1
50
45
38.6
NL4
100
80
3
6
1
1 1/4
80
70
49.5
NL5
150
110
4
3
1 1/4
1 1/2
110
110
86.5
Table 2-6. Electrical Wiring Data 460 Volt, 3 Phase, 60 Hz NC-Series
Motor
Size
Switch
Size
AMPs
Breaker
Size
AMPs
Starter
NEMA
Size
Conductor
Size
for Motor
Leads
Conduit Size
for Motor
Leads
Conduit Size
For Motor,
PB and TCO
Leads
Fuse Size
Code and
Current
Limiting
AMPs
Fuse Size
Dual Element
AMPs
Max Setting
Time Limit
Protection
AMPs
N1
30
20
1
14
1/2
3/4
50
35
12.0
N2
60
35
2
10
3/4
1
50
35
22.5
N3
100 (60)
60
3
8
1
1
60
50
36.2
N4
100
80
3
8
1
1
80
70
50.6
N5
150
125
4
4
1 1/4
1 1/4
125
1120
76.9
N6
400
300
5
2/0
2
2 1/2
250
200
149.3
N7
400
300
5
3/0
2 1/2
2 1/2
350
300
179.2
N8
600 (400)
400
5
4/0
3
3
450
300
239.2
NL.5
15
6
00
14
3/4
3/4
6
3
4.5
NL1
15
10
0
14
3/4
3/4
10
6
6.3
NL2
30
20
1
14
3/4
3/4
25
15
12.1
NL3
60 (30)
30
2
14
3/4
3/4
35
20
19.3
NL4
60
40
2
10
1
1
50
35
24.7
NL5
100
50
3
8
1
1
60
60
43.2
NOTES:
1.)
SELECT CLASS 10 HEATERS BASED ON START KVA WITH A 12 SECOND MAX TRIP TIME.
2.)
( ) INDICATES REDUCTION IN SWITCH SIZE WHEN DUAL-ELEMENT FUSES ARE USED FOR MOTOR BRANCH CIRCUITS.
3.)
(EXCEPT WHERE NOTED), THE SWITCH SIZES ARE THE SAME FOR ALL TYPES OF FUSES.
4.)
CURRENT RATINGS BASED ON THREE CONDUCTOR 75O C INSULATED COPPER WIRE AT 30O C AMBIENT.
5.)
INDUCTION MOTOR, SYNCHRONOUS SPEED 3600 RPM.
