Singapore is a country in tropical area. It has the worst lightning situation in the world. Prosurge’s surge protection device (SPD/TVSS) is installed and performed well in Singapore:

1) Prosurge SP320/4P is installed in the 22KV Electrical Sub-station Battery Charges Panel. 2) Prosurge SP275/4P is installed in the Singtel Base Station DB.

(Singtel refer to Singapore Telecommunications Limited.)