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■Selection of Wires
Wires for the Power Supply should must be carefully selected. Refer to this table when selecting the wires.
Cross-sectional
AWG
area
No.
(mm
2
)
30
0.051
28
0.081
26
0.129
24
0.205
22
0.326
20
0.517
18
0.823
16
1.309
14
2.081
12
3.309
10
5.262
Recommended Maximum Current: The table is applicable to wires with 1 to 4 conductors. Keep the current value to within 80% of the values shown in this table when
Voltage Drop per Meter (UL1015 Vinyl-sheathed Wires for Heat-resistant Equipment)
1,000
900
800
700
600
500
400
300
200
100
90
80
70
60
50
40
30
20
10
0.1
0.2
0.3
Note. The current indicates the allowable current. In practice, application must be below the recommended current values.
ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.
To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.
Cat. No. T901-E1-01A
16
Power Supply
Configuration
Voltage drop per 1 A
(number of
(mV/meter)
conductors/mm)
7/0.102
358
7/0.127
222
7/0.16
140
11/0.16
88.9
17/0.16
57.5
26/0.16
37.6
43/0.16
22.8
54/0.18
14.9
41/0.26
9.5
65/0.26
6.0
104/0.26
3.8
using wires having 5 or more conductors. The following chart shows the voltage drop per meter in terms of the relationship between
the current and conductor diameter. Make sure that the current value does not exceed the recommended maximum current value.
0.4
0.5 0.6 0.7 0.8 0.9 1
In the interest of product improvement, specifications are subject to change without notice.
Technical Information
Recommended maximum current (A)
UL1007
(300 V 80° C)
0.12
0.15
0.35
0.7
1.4
2.8
4.2
5.6
---
---
---
AWG28
AWG26
AWG24
2
3
4
5
6
7
8 9 10
UL1015
(600 V 105° C)
---
0.2
0.5
1.0
2.0
4.0
6.0
8.0
12.0
22.0
35.0
AWG22
AWG20
AWG18
AWG16
AWG14
AWG12
(See note.)
20
30
40
50
AWG10
60 70 80 90 100
Current (A)
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