CBi Mini Rail Surge Protector QFLN-4 3P+N 275V 10kA

The CBi Mini Rail Surge Protector QFLN-4(13) is a Class II surge protection device designed for 3-phase + neutral distribution boards operating at 275V with a 10kA discharge capacity. It features LED indication of SPD status, thermal disconnect protection, and voltage-limiting MOV technology to safeguard sensitive equipment from transient overvoltages. Ideal for commercial installations, industrial panels, and critical load protection where equipment damage from power surges must be prevented.