4-Pole Surge Arrestor 20kA 275V Protection Device
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A 4-pole surge arrestor rated for 20kA at 275V UC, designed to protect electrical installations from transient overvoltages caused by lightning strikes and switching surges. This device provides coordinated protection across all four poles simultaneously, making it essential for three-phase distribution boards and industrial control panels. Ideal for electricians, contractors, and facilities managers seeking reliable surge protection in compliance with SANS standards.
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4-Pole Surge Arrestor 20kA 275V Protection Device
SKU: BY7-20/4-275T
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