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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
Thread Size: G1inch DN25
Release or tighten the bolt to adjust the band diameter range
Model: BS230B
Color: Brass Tone
Note:The key to selecting the size of the hole plug is the diameter of the small end rod
Rolling Door Contact Magnetic Reed Switch Alarm with 2 Wires for N.C. Applications MC-51 3pcs Cell Phone Accessories Thread Size: G1inch DN25Description: 1. Actuation Distance: 20 30mm. Silver gray zinc alloy housing. 2. The reed switch is an electrical switch operated by an applied magnetic field. 3. Designed for use with alarm systems. Great for use in family and factory window, door. etc. 4. Screw Mounted for easily install. 5. NC means Normally Closed: When the magnet together, the circuit is conductive( light on ); when the magnet separate, the circuit is not conductive ( light off ).
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