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Engineering Data >> Contact Head Diameter Selection Chart Ampere Ratin
Contact Head Diameter Selection Chart Ampere Rating
| Based on Contacts of 75% or More Silver in relay Applications.
Type of Load and Voltage Characteristics:
| 28V DC/120V AC |
28V DC/120V AC |
120V DC |
120V DC |
220V AC |
| Res |
Ind |
Res |
Ind |
Res |
| 2 |
2 |
.5 |
.5 |
2. |
| 4 |
3 |
1.0 |
.75 |
3.5 |
| 7 |
5 |
1.5 |
1.0 |
6. |
| 11 |
8 |
2.0 |
1.5 |
10. |
| 14 |
12 |
3.0 |
2.5 |
12.5 |
| 20 |
16 |
4.0 |
3.0 |
18. |
| 27 |
20 |
5.5 |
4.0 |
24. |
| 34 |
28 |
7.0 |
5.5 |
30. |
| 39 |
34 |
8.0 |
6.5 |
35. |
| 46 |
41 |
9.0 |
8.0 |
41. |
| 55 |
50 |
11.0 |
10.0 |
50. |
| 65 |
57 |
13 |
11.5 |
58. |
| 78 |
67 |
15.5 |
13.0 |
70. |
| 86 |
76 |
17.0 |
15.0 |
76. |
| 100 |
90 |
20. |
18.0 |
90. |
Select type of load and voltage. Read down to amperes device will be required to carry. Read across to Head Diameter column at right. |
