N.C&N.O output optional door magnetic sensor
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Gap(mm): 15-25 mm Max. Rating (W): 3 or 10
-Max. Voltage(VDC): 30 or 100 Max.Current(A): 0.2 or 0.5
-Material of connection:copper terminal Switch type: SPDT
-Connection: Terminal block wiring Output：NC/NO/COM

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1, Locate the magnetic contact and magnet in the installed position
2, Tighten the magnetic contact and magnet by screws
3, NC & NO-normally open optional: Three signal lines(or terminals), one for the common line COM, a normally open line of NO,a no- normally closed line NC.You can select the way of the magnetic alarm's signal output according to the way of Magnetic alarm the host needed.Normally open and normally closed door magnetic contacts use the transformational reed.