Potter BMC-33B Anti-defeat Double Bias Contact

A Brand SECURITY BALANCED CONTACT 1 3 8 to 3 operating gap 24 armored cable Corrosion resistant Alnico 6 magnet Anodized aluminum housing BMC 33B Anti Defeat Magnetic Contacts are uniquely designed and constructed to make defeating almost impossible The switch housing specially arranged reed switches These reed switches are pre set in a biased format with ring magnets producing a symmetrical field The magnetic layout is designed with a combination of three polarized magnets This switch and magnetic combination produces perfect symmetrical magnetic field in a balanced condition as if no magnet field existed Any attempt to bypass or defeat the BMC 33B with external magnet will cause the magnetic fields to be imbalanced thus causing an alarm condition 0.5 13 3.46 88 4 104 Magnet Gap Min in this range Not Install in this range 3 Gap 1 3 8 Dead Zone 0.7 18 Dot Mark same direction 3 76 C Bracket Switch 24 609 Carry 4440004 Amp Amp 3 8 3 to 120 to 49 Electric Signal Co LLC St Louis MO Cust Service 866 240 1870 Tech Support 866 956 1211 Canada 888 882 1833 www pottersignal com IN USA 8880113 REV B 1 OF 1