The MSS-20CT-W from Magnasphere is a 3/4" recessed/concealed contact closed loop with terminals, white, 10 pack. The Magnasphere MSS line of security sensors provides a solution to all of the weaknesses and flaws of the reed switch contact. The unique Magnasphere BMS switch utilized in these devices renders the MSS products virtually unbreakable and highly resistant to permanent contact welding and outsider magnet defeat, allowing Magnasphere to offer an industry leading product warranty. The MSS Series is UL and ULC listed, and CE certified.
