Surge Protection Apparatus

Surge Protection Apparatus

A surge protection apparatus is an electrical device designed to protect electrical and electronic equipment from voltage spikes or surges that can occur in power supply lines. These surges can be caused by lightning, power outages, or other electrical disturbances. Surge protection apparatuses work by suppressing or diverting the excess voltage away from the equipment, thereby preventing damage to the equipment. Surge protection apparatuses can be installed in various locations, such as at the main electrical panel, at the point of use, or at the equipment itself. They can be designed for different voltage ratings and can provide varying levels of protection. Some surge protection apparatuses use metal oxide varistors (MOVs) or gas discharge tubes (GDTs) to absorb the excess voltage, while others use silicon avalanche diodes (SADs) or thyristors to divert the excess voltage away from the equipment. Surge protection apparatuses are particularly important for sensitive electronic equipment, such as computers, televisions, and audio equipment, which can be easily damaged by voltage surges. They are also important for industrial and commercial equipment, such as control systems and motors, which can be expensive to repair or replace. Overall, surge protection apparatuses are an essential component of any electrical system, helping to protect equipment from damage and ensuring reliable operation.

electrical, voltage spikes, lightning, power outages, metal oxide varistors

— Andrew Campbell

CITATION : "Andrew Campbell. 'Surge Protection Apparatus.' Design+Encyclopedia. https://design-encyclopedia.com/define/surge-protection-apparatus?E=400492 (Accessed on October 14, 2026)"