Magnasphere Corp. designs magnetic switches for industrial and commercial OEM applications. The magnetic switches feature all metal construction and are resistant to magnetic tamper and defeat, and permanent contact welding from power surges. The two-wire switches are used in the security industry for door and window sensors in closed loop alarm systems.

UTC Fire & Security provides magnetic switch products including magnetic contacts, magnetic contact accessories, roller/plunger switches, magna pull switches, and panic switches found in commercial, institutional, and fire and life safety appplications.

RBE Electronics designs and manufactures heavy-duty, solid state magnetic door switches that allow up to 100 percent misalignment and a 1 1/2 inch gap in the door before triggering. Feature of the switches include: a supply voltage range of 4 to 24 VDC, output current rating of 1 amp Dc, and operating temperature range of -40 to 85C.