What will happen if the creepage distance is insufficient? Use a high-voltage tester to tear off the veil of inferior power supplies. Creepage distance is the shortest air path between high-voltage parts. The national standard requires at least 3mm. But many cheap power supplies cut corners to save space.
This inferior power supply, in order to save space, has only 1.5mm of creepage distance — half of what the standard demands. In dry conditions, it might seem fine. But in humid conditions, moisture bridges the gap. The insulation breaks down instantly. This means risk of leakage and fire.
When we apply a high-voltage test to such a power supply, the result is immediate and alarming. The insufficient creepage distance cannot withstand the electrical stress. Arcing occurs. The insulation fails. In a real-world scenario, this could lead to catastrophic failure — equipment damage, fire, or even personal injury.
In our KRECO design, the creepage distance is double their standard — 6mm instead of the minimum 3mm. This extra margin is not accidental. It is engineered deliberately to ensure safe operation even in the most challenging environments: high humidity, temperature fluctuations, and long-term aging.
Most buyers never see the creepage distance. It is hidden inside the power supply, invisible to the naked eye. But it is precisely these invisible details that determine whether your product is safe or dangerous. At KRECO, we never compromise on safety. Every millimeter of creepage distance is a millimeter of protection for your equipment, your users, and your brand.
Choose KRECO. Because safety is in the details.
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