Superseded
Standard
Historical
IEC 60337-1B:1975
Second supplement - Control switches (low-voltage switching devices for control and auxiliary circuits, including contactor relays) - Part 1: General requirements
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Technical characteristics
| Publisher | International Electrotechnical Commission (IEC) |
| Publication Date | 01/01/1975 |
| Release Date | 01/01/1975 |
| Cancellation Date | 04/15/1990 |
| Edition | 1 |
| Page Count | 7 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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