The fuse is rated for 6A. Is it possible, with such a fuse, to connect a 2.2 kW
| July 4, 2021 | education
The fuse is rated for 6A. Is it possible, with such a fuse, to connect a 2.2 kW energy consumer to a 220 V network?
Initial data: I (maximum current for which the fuse is designed) = 6 A; U (mains voltage) = 220 V; P (power of the energy consumer) = 2.2 kW (2.2 * 10 ^ 3 W).
1) Determine the actual current in the network when the energy consumer is turned on: If = P / U = 2.2 * 10 ^ 3/220 = 10 A.
2) Since the fuse is designed for a lower current than the actual current in the network, it is impossible to turn on the energy consumer.
Answer: You can’t.
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