Prosurge’s New Signal / Data Surge Protection Devices Get UL 497B Listed

2019-10-14T17:27:26+08:00

Prosurge is glad to announce that its DM series signal SPD (Surge Protection Device) has recently got UL 497B listed. UL 497B is a standard for protector for data communications and fire-alarm circuits and is the most authoritative standard for signal SPD in North America. With the DM series, Prosurge becomes one of the very [...]