2800T Series High Security Magnetic Contact, conduit fittings meet UL requirements for haz locations, -40 to 180 F temp, die-cast Alum, brown, 30V op voltage, 0.25A, 3VA/W, SPDT, explosionproof triple-biased #6 screw terminal, 3/16 to 5/8 in gap.

2807T-M The 2800T Series contacts are balanced, triple-biased, SPDT switches that make defeat by external magnets virtually impossible. The contacts feature tamper circuits that are actuated by removal of the face plate or by introduction of an external magnet. The terminals are located inside the housing, providing additional protection from tampering or accidental shorting. Optional features include pry tamper loop for alarm in case of contact removal, current limiting device for circuit protection, and heavy-duty housings.