Surge protection for security systems All devices used in security system are based on integrated circuit that is highly susceptible and vulnerable to lightning and switching surges. If these systems are damaged by a transient, then the entire protection strategy could be compromised: surge protection is highly recommanded. OR DLA-24D3 1-pair DIN rail plug-in Data surge protector MJ8-C6A RJ45 surge protector for CAT6A cabling network MJ8-POE-C6A Surge protector for POE ++ and Category 6A cabling network