Surge Back Up Fault Disconnect Unit

Distribution Box Surge Back Up Device | Anhui Hongke Product Summary The Distribution Box Surge Back Up Device is a high‑current rated backup protective unit purpose‑built for installation inside various power distribution boxes. Functioning as a dependable Voltage Protector and matched Surge Protector, it delivers comprehensive Power Protection for surge protection loops housed within distribution boxes. As an indispensable Electrical Safety Device for distribution‑box power circuits, this unit is positioned on the upstream side of surge protectors. Should the surge protector experience short‑circuit failure, this device will activate instant over‑current backup protection, confine fault risks locally and prevent further damage spreading across the entire distribution‑box internal power network. Key Product Features High impulse‑current withstand capacity, optimized for heavy‑current surge scenarios inside main distribution boxes Compact form factor tailored for standard distributio…