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In addition to the general requirements of IEC 60077-2, it gives the rules for circuit-breakers, the main contacts of which are to be connected to d.c. power and/or auxiliary circuits. The nominal voltage of these circuits does not exceed 3 000 V d.c. according to IEC 60850.
Product Details
- Edition:
- 1.0
- Published:
- 12/19/2001
- Number of Pages:
- 53
- File Size:
- 1 file , 550 KB