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Surge Arrester Varistor pro tec BY1-C/4 3221040 — Class C (Type II) overvoltage protection
Summary description:
Varistor surge arrester pro tec BY1-C/4 3221040 is a class C (Type II) overvoltage protection device designed to clamp transient voltage spikes. It uses a varistor element to absorb and redirect surge energy, protecting electrical installations and connected equipment from impulse overvoltages. Typical use cases include distribution boards, consumer units and protection of sensitive electronics in commercial and residential systems.