The Ernad Lightning Surge Protection Device (ELSPD) is a low cost & very effective “module” ready to connect to the electrical installation to protect the entire installation.It eliminates the need to provide other costly “lightning arresters” & definitely prevents all lightning surges entering our electrical installations.It displays 2 LEDs showing MAINS O K & Ground fault when all functions are correct& line is available.
This is conforming to International UL1449 3rd 50A, 150A, 1000A test standards.