AMSECO's AMS-25 and AMS-26 are self-locking recessed magnetic contacts that are ideal for steel door application. AMS-25 is for regular gap application, while AMS-26 is for wide gap application.
Both models are available in either Type A or B. Type A is SPST for Normally Open for Closed Loop circuitsand Type B is SPDT for Normally Open/Normally Closed transfer circuits. These units are reedwith rhodium-plated contacts .The magnet is Alnico-5 with AWG #22 lead wires that are 24 inches in length.