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4-Pole Surge Arrestor 275V 40kA Protection Device
Model OLYMPIC-BY7-40/4-275
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Product highlights
A 4-pole surge arrestor rated for 275V UC and 40kA discharge capacity, designed to protect electrical installations from transient overvoltages caused by lightning strikes and switching surges. This device provides simultaneous protection across all four poles, making it essential for three-phase systems with neutral protection in residential, commercial, and industrial applications. Ideal for use as a main surge protection device or coordinated with secondary protection to safeguard sensitive equipment and comply with SANS 10142-1 standards.
