{"id":41675,"date":"2026-02-13T19:38:18","date_gmt":"2026-02-13T19:38:18","guid":{"rendered":"https:\/\/bondahx.com\/index.php\/product\/magnetic-reed-switch-no-surface-mount-wired-door-window-contact-sensor-with-cover-for-home-security-and-burglar-alarm-systems-mc-31-5pcs\/"},"modified":"2026-02-13T19:38:31","modified_gmt":"2026-02-13T19:38:31","slug":"magnetic-reed-switch-no-surface-mount-wired-door-window-contact-sensor-with-cover-for-home-security-and-burglar-alarm-systems-mc-31-5pcs","status":"publish","type":"product","link":"https:\/\/bondahx.com\/index.php\/product\/magnetic-reed-switch-no-surface-mount-wired-door-window-contact-sensor-with-cover-for-home-security-and-burglar-alarm-systems-mc-31-5pcs\/","title":{"rendered":"Magnetic Reed Switch NO Surface Mount Wired Door Window Contact Sensor with Cover for Home Security and Burglar Alarm Systems MC-31 5pcs"},"content":{"rendered":"<p>Price: <span style=\"color:#b12704\">$13.99<\/span><br \/><i><small>(as of Feb 13, 2026 19:38:20 UTC &#8211; <span class=\"wp_automatic_amazon_disclaimer\" title=\"Product prices and availability are accurate as of the date\/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.\">Details<\/span>)<\/small><\/i><br \/><a href=\"https:\/\/amazon.com\/dp\/B094XPMFGK?tag=bondbondt0b-20\"><img decoding=\"async\" src=\"https:\/\/valvepress.s3.amazonaws.com\/imgs\/buy_now.png\"><\/a><br \/>\n<br \/>\n    <span class=\"a-text-bold\">Differences of NC, NO, NC\/NO<\/span><br \/><span>Normally Closed(NC): When the switch is close to the magnet, the circuit is conductive(light on); when the switch is separated from the magnet, the circuit is not conductive(light off).<\/span><br \/><span>Normally Opened(NO): When the switch is separated from the magnet, the circuit is conductive(light on); When the switch is close to the magnet, the circuit is not conductive(light off).<\/span><br \/><span>NC\/NO Combined: The switch has 3 contact types: NC\/NO\/COM, you can choose to connect two of the contacts(NC-COM or NO-COM).<\/span><br \/><span><br \/><\/span><br \/><span class=\"a-text-bold\">PLEASE NOTE<\/span><br \/><span>A magnetic door contact can only provide a switching signal to the device. It cannot directly load the power supply and cannot be directly connected to the lamp.<\/span><br \/><span><br \/><\/span><br \/><span class=\"a-text-bold\">Specifications:<\/span><br \/><span>Model: MC-31<\/span><br \/><span>Contact Type: NO<\/span><br \/><span>Maximum Sensor Sensitivity: 16mm(+\/-5mm)<\/span><br \/><span>Load Current: 150mA<\/span><br \/><span>Maximum Voltage: 100V DC<\/span><br \/><span>Mounting Hole Distance: 52mm \/ 2.05inch<\/span><br \/><span>Size(Approx.): <\/span><br \/><span>64 x 20 x 13mm \/ 2.52 x 0.79 x 0.51inch (L*W*H)<\/span><br \/><span>64 x 13 x 13mm \/ 2.52 x 0.51 x 0.51inch (L*W*H)<\/span><br \/><span>Housing Material: ABS<\/span><br \/><span><br \/><\/span><br \/><span class=\"a-text-bold\">Package Content: <\/span><br \/><span>5pcs x Magnetic Door Switch<\/span><br \/><span>20pcs x Mounting Screws<\/span><br \/>MATERIAL &#8211; The switch housing is made of ABS flame retardant material and the reed switch is resistant to high temperature and deformation.<br \/>NORMALLY OPEN(NO) &#8211; When the switch is separated from the magnet, the circuit is conductive(light on); When the switch is close to the magnet, the circuit is not conductive(light off).<br \/>ACTUATION DISTANCE &#8211; 11-21mm transmitting distance. The contact has fast reflection and accurate detection.<br \/>WORKING CONDITIONS &#8211; Load Current: 150mA; Maximum Voltage: 100V DC. The terminal has a detachable cover, which is more beautiful after installation.<br \/>WIDE APPLICATIONS &#8211; Work with all access control and burglar alarm systems. Can be installed in wooden or aluminum alloy doors and windows.<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p> Differences of NC, NO, NC\/NONormally Closed(NC): When the switch is close to the magnet, the<\/p>\n","protected":false},"featured_media":41676,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[1905],"product_cat":[87,624,628,164,114],"product_tag":[],"class_list":{"0":"post-41675","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-victorshome","7":"product_cat-electronics","8":"product_cat-home-security-systems","9":"product_cat-home-security-systemselectronics","10":"product_cat-security-surveillance","11":"product_cat-camera-surveillance","13":"first","14":"instock","15":"shipping-taxable","16":"product-type-external"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v26.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Magnetic Reed Switch NO Surface Mount Wired Door Window Contact Sensor with Cover for Home Security and Burglar Alarm Systems MC-31 5pcs - 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