How many watts can a 5 amp fuse support?

Answer 1

An ampere is a measure of current. A watt is a measure of power. It's kind of like asking how many feet are in a pound. Current can be calculated from power. You need to know an associated voltage or an associated resistance then you can use these fundamental relationships: Voltage = Current * Resisitance (V = I * R) and Power = Current * Voltage (P = I * V). Manipulating these two gives another useful relationship: P = I^2 * R. So there are two ways to relate Power and Current; 1) through Resistance and 2) through Voltage. In this situation, if you know the Resistance then Current equals square root (5 watts/R). If you know the Voltage then the Current equals 5 watts/V.

Answer 2

Volts and amps measure different aspects of an electrical current and cannot be compared.

However if you know two of the following three items you can calculate the third.

Watts. Volts. Amps.

The formula is; V x A = W

Answer 3

The formula you are looking for is I = W/E. Amps = 500/Volts. Need to know what the voltage is before an answer for amperage can be given.

Answer 4

A 5 amp fuse can support a maximum of 1200 watts. This is calculated by multiplying the amperage (5) by the voltage (240V in most households) to get the wattage capacity.

Answer 5

500