Surge Protection
Protecting Data Centers & Control Panels with Mersen Class I+II Surge Protection (SPD)
Ved Prakash Yadav 8 Jul 2026 4 min read
How transient surge protective devices intercept high-voltage switching spikes under 25 nanoseconds to safeguard computerized control rooms.
While lightning arresters protect building shells from direct strikes, indirect lightning pulses and utility switching operations create high-voltage transient surges over power lines that instantly burn server power supplies and PLC cards.
DIN-Rail Mounted Mersen SPDs
ReErth Technologies distributes Class I+II DIN-rail mounted Mersen Surge Protection Devices. Featuring Metal Oxide Varistors (MOVs) and spark gaps, these units clamp dangerous voltage surges to safe levels within less than 25 nanoseconds.