Will the single-phase smart meter burn out if the actual current exceeds the maximum current?

Whether a single-phase smart meter will burn out when the actual current exceeds the maximum current involves multiple factors and cannot be generalized.

Firstly, it should be clarified that the maximum current value on the electricity meter (such as 60A) is the maximum current value that the meter can pass through while meeting the requirements for accurate measurement. When the actual current exceeds this value, there is indeed a risk of damage to the meter, as excessive current may exceed the meter's measuring range, causing internal components of the meter to overheat, damage, and even lead to safety accidents.

However, whether the electricity meter will definitely burn out depends on multiple factors:

Overload time: If the actual current only briefly exceeds the maximum current value and then quickly returns to the normal range, the meter may only be briefly impacted and may not necessarily be burned out. But if the meter is in an overloaded state for a long time, the risk of damage to the meter will greatly increase.

Meter quality: Different brands and models of meters have differences in design and manufacturing, and their overload and tolerance capabilities may also vary. Some high-quality electricity meters may have better overload protection mechanisms, which can to some extent resist the impact of overload current.

Other factors: In addition to the magnitude of the current, there are other factors that may affect the operating status of the meter, such as ambient temperature, humidity, vibration, etc. Under harsh environmental conditions, the tolerance of the electricity meter may decrease, making it more susceptible to damage.

In addition, it should be noted that although the actual current exceeding the maximum current value may increase the risk of damage to the meter, it does not necessarily mean that the meter will be burned out. In practical applications, many electric meters have a certain overload capacity and can withstand the impact of overload current to a certain extent. However, this overload capacity is limited, and if it is in an overloaded state for a long time or the overload current is too large, it may still cause damage to the meter.

In summary, when the actual current exceeds the maximum current, there is a risk of single-phase smart meters being burned out, but whether they will be burned out depends on multiple factors. Therefore, when using an electric meter, it should be strictly wired and used according to its rated current value to avoid long-term overload operation and ensure the safe and stable operation of the meter.