[Measures Against Electrical Equipment Fires] Overload Risks Caused by Extreme Summer Heat and Key Points for Rapid Recovery

In the event of a power outage or fire caused by overloading, the economic loss resulting from the shutdown of production lines (downtime) can be immeasurable.

This article explains the causes of electrical fires that frequently occur during extreme summer heat, three preventive measures you should implement immediately,

本記事では、猛暑期に多発する電気火災の原因と、万が一のシステム障害や火災発生時に被害を最小限に抑える復旧方法について解説します。

Why Does Extreme Heat Put a Strain on Electrical Equipment? Major Causes of Electrical Fires

The following three factors are the primary reasons why extreme summer heat triggers electrical equipment trouble:

夏特有のゲリラ豪雨・落雷： 雷によるサージ（異常高電圧）が回路を直撃し、機器を破損させることがあります。

電力需要の急増（過負荷）： 冷房機器のフル稼働により、契約電力や設備の許容電流を超える電流が流れやすくなります。

周囲温度の上昇による放熱不足： 電気室やキュービクル（高圧受電設備）内の温度が上がると、機器自体が発生する熱を逃がせなくなり、異常発熱につながります。

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• Significant Reduction in Shutdown Periods (Downtime): There is no need to wait for lead times on replacement parts.
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