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.
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Edition: 1.0 Published: 12/19/2001 Number of Pages: 53 File Size: 1 file , 550 KB
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