The DB2-275-40LNE is uniquely designed to protect the home / Office / Factory from surges that travel along the Live Input power lines. This is the only device of it's kind that will glow as an indicator that the Surge Protection is still functioning inside DB board. If the DB2-275-40LNE stops glowing, it indicates it needs to be replaced. The DB2-275-40LNE is easily identifiable by its transparent Red housing.

This product must be installed by a qualified electrician.