{"product_id":"tagf-sd19wh-flush-mount-steel-door-magnetic-contact-reed-switch-white-normally-closed-3-4-diameter-1-wide-gap-12-leads","title":"TAGF‑SD19WH Flush‑Mount Steel‑Door Magnetic Contact (Reed Switch) – White, Normally Closed, 3\/4″ Diameter, 1½″ Wide Gap, 12″ Leads","description":"\u003cp data-start=\"280\" data-end=\"812\"\u003eHigh‑quality flush (recessed) magnetic contact designed for steel doors. The \u003cstrong data-start=\"357\" data-end=\"372\"\u003eTAGF‑SD19WH\u003c\/strong\u003e reed switch delivers a wide gap detection of 1½″ (≈ 38.1 mm) using a durable, high‑grade magnet encased in a thick plastic shell to withstand compression or crushing during installation. Ideal for perimeter security systems where discreet, reliable detection is required. White finish blends neatly with standard frames. Normal‑Closed (N\/C) circuit configuration ensures that opening the door breaks the circuit, triggering alarm panels.\u003c\/p\u003e\n\u003cp data-start=\"280\" data-end=\"812\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0637\/2838\/6287\/files\/Screenshot2025-09-11160950.png?v=1757571136\" alt=\"\"\u003e\u003c\/p\u003e\n\u003chr data-start=\"814\" data-end=\"817\"\u003e\n\u003ch2 data-start=\"819\" data-end=\"850\"\u003eWhat’s Included in the Box\u003c\/h2\u003e\n\u003cul data-start=\"851\" data-end=\"1005\"\u003e\n\u003cli data-start=\"851\" data-end=\"910\"\u003e\n\u003cp data-start=\"853\" data-end=\"910\"\u003e1 × TAGF‑SD19WH magnetic contact (recessed\/flush mount)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"911\" data-end=\"950\"\u003e\n\u003cp data-start=\"913\" data-end=\"950\"\u003eLeads pre‑attached (12″ \/ 304.8 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"951\" data-end=\"1005\"\u003e\n\u003cp data-start=\"953\" data-end=\"1005\"\u003eMounting instructions (hole sizes, recessing tips)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1007\" data-end=\"1010\"\u003e\n\u003ch2 data-start=\"1012\" data-end=\"1030\"\u003eMain Features\u003c\/h2\u003e\n\u003cul data-start=\"1031\" data-end=\"1602\"\u003e\n\u003cli data-start=\"1031\" data-end=\"1120\"\u003e\n\u003cp data-start=\"1033\" data-end=\"1120\"\u003e\u003cstrong data-start=\"1033\" data-end=\"1059\"\u003eFlush (recessed) mount\u003c\/strong\u003e for discreet, tamper‑resistant installation in steel doors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1121\" data-end=\"1209\"\u003e\n\u003cp data-start=\"1123\" data-end=\"1209\"\u003e\u003cstrong data-start=\"1123\" data-end=\"1148\"\u003eSteel‑door compatible\u003c\/strong\u003e design to maintain the wide gap even when mounted in steel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1210\" data-end=\"1315\"\u003e\n\u003cp data-start=\"1212\" data-end=\"1315\"\u003e\u003cstrong data-start=\"1212\" data-end=\"1224\"\u003eWide gap\u003c\/strong\u003e of 1½″ (≈ 38.1 mm), enabling detection even on loosely fitting or misaligned steel doors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1316\" data-end=\"1414\"\u003e\n\u003cp data-start=\"1318\" data-end=\"1414\"\u003e\u003cstrong data-start=\"1318\" data-end=\"1333\"\u003eStubby body\u003c\/strong\u003e: 3\/4″ (19.05 mm) diameter × 0.84″ (21.34 mm) length, to reduce recessing depth\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1415\" data-end=\"1502\"\u003e\n\u003cp data-start=\"1417\" data-end=\"1502\"\u003e\u003cstrong data-start=\"1417\" data-end=\"1440\"\u003eWhite plastic shell\u003c\/strong\u003e protects the contact against crushing and mechanical damage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1503\" data-end=\"1550\"\u003e\n\u003cp data-start=\"1505\" data-end=\"1550\"\u003e\u003cstrong data-start=\"1505\" data-end=\"1530\"\u003e12″ (≈304.8 mm) leads\u003c\/strong\u003e, ready for wiring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1551\" data-end=\"1602\"\u003e\n\u003cp data-start=\"1553\" data-end=\"1602\"\u003e\u003cstrong data-start=\"1553\" data-end=\"1578\"\u003eNormally Closed (N\/C)\u003c\/strong\u003e circuit configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1604\" data-end=\"1607\"\u003e\n\u003ch2 data-start=\"1609\" data-end=\"1637\"\u003eDetailed Specifications\u003c\/h2\u003e\n\u003cdiv class=\"_tableContainer_1rjym_1\"\u003e\n\u003cdiv class=\"group w-fit _tableWrapper_1rjym_13 flex flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1639\" data-end=\"2242\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1639\" data-end=\"1666\"\u003e\n\u003ctr data-start=\"1639\" data-end=\"1666\"\u003e\n\u003cth data-start=\"1639\" data-end=\"1655\" data-col-size=\"sm\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"1655\" data-end=\"1666\" data-col-size=\"md\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1677\" data-end=\"2242\"\u003e\n\u003ctr data-start=\"1677\" data-end=\"1710\"\u003e\n\u003ctd data-start=\"1677\" data-end=\"1695\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1679\" data-end=\"1694\"\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1695\" data-end=\"1710\" data-col-size=\"md\"\u003eTAGF‑SD19WH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1711\" data-end=\"1754\"\u003e\n\u003ctd data-start=\"1711\" data-end=\"1728\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1713\" data-end=\"1727\"\u003eMount Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1728\" data-end=\"1754\" data-col-size=\"md\"\u003eFlush (Recessed) mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1755\" data-end=\"1825\"\u003e\n\u003ctd data-start=\"1755\" data-end=\"1773\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1757\" data-end=\"1772\"\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1773\" data-end=\"1825\" data-col-size=\"md\"\u003eSteel‑door magnetic contact for security systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1826\" data-end=\"1870\"\u003e\n\u003ctd data-start=\"1826\" data-end=\"1845\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1828\" data-end=\"1844\"\u003eCircuit Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1845\" data-end=\"1870\" data-col-size=\"md\"\u003eNormally Closed (N\/C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1871\" data-end=\"1910\"\u003e\n\u003ctd data-start=\"1871\" data-end=\"1891\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1873\" data-end=\"1890\"\u003eBody Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1891\" data-end=\"1910\" data-col-size=\"md\"\u003e3\/4″ (19.05 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1911\" data-end=\"1949\"\u003e\n\u003ctd data-start=\"1911\" data-end=\"1929\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1913\" data-end=\"1928\"\u003eBody Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1929\" data-end=\"1949\" data-col-size=\"md\"\u003e0.84″ (21.34 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1950\" data-end=\"2005\"\u003e\n\u003ctd data-start=\"1950\" data-end=\"1968\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1952\" data-end=\"1967\"\u003eMaximum Gap\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1968\" data-end=\"2005\" data-col-size=\"md\"\u003e1½″ (38.1 mm) – “wide gap” rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2006\" data-end=\"2048\"\u003e\n\u003ctd data-start=\"2006\" data-end=\"2030\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2008\" data-end=\"2029\"\u003eWire Leads Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2030\" data-end=\"2048\" data-col-size=\"md\"\u003e12″ (304.8 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2049\" data-end=\"2080\"\u003e\n\u003ctd data-start=\"2049\" data-end=\"2070\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2051\" data-end=\"2069\"\u003eVoltage Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2070\" data-end=\"2080\" data-col-size=\"md\"\u003e30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2081\" data-end=\"2111\"\u003e\n\u003ctd data-start=\"2081\" data-end=\"2102\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2083\" data-end=\"2101\"\u003eCurrent Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2102\" data-end=\"2111\" data-col-size=\"md\"\u003e0.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2112\" data-end=\"2134\"\u003e\n\u003ctd data-start=\"2112\" data-end=\"2125\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2114\" data-end=\"2124\"\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2125\" data-end=\"2134\" data-col-size=\"md\"\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2135\" data-end=\"2197\"\u003e\n\u003ctd data-start=\"2135\" data-end=\"2156\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2137\" data-end=\"2155\"\u003eShell Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2156\" data-end=\"2197\" data-col-size=\"md\"\u003eThick plastic, impact\/crush‑resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2198\" data-end=\"2242\"\u003e\n\u003ctd data-start=\"2198\" data-end=\"2227\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2200\" data-end=\"2226\"\u003eSuitable Door Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2227\" data-end=\"2242\" data-col-size=\"md\"\u003eSteel doors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"2244\" data-end=\"2247\"\u003e\n\u003ch2 data-start=\"2249\" data-end=\"2274\"\u003eWarranty Information\u003c\/h2\u003e\n\u003cul data-start=\"2275\" data-end=\"2453\"\u003e\n\u003cli data-start=\"2275\" data-end=\"2350\"\u003e\n\u003cp data-start=\"2277\" data-end=\"2350\"\u003eManufacturer’s warranty applies (terms may vary; confirm with supplier)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2351\" data-end=\"2453\"\u003e\n\u003cp data-start=\"2353\" data-end=\"2453\"\u003eCovers manufacturing defects; does not include damage from improper installation or physical abuse\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2455\" data-end=\"2458\"\u003e\n\u003ch2 data-start=\"2460\" data-end=\"2482\"\u003eBrand Description\u003c\/h2\u003e\n\u003cp data-start=\"2483\" data-end=\"2817\"\u003eTAG is a specialist in security magnetic contacts and reed switches, with products engineered for robustness and reliability in both residential and commercial alarm\/security systems. Their steel‑door \/ wide‑gap models are particularly trusted where standard contacts lose sensitivity due to door‑frame interference or misalignment.\u003c\/p\u003e\n\u003chr data-start=\"2819\" data-end=\"2822\"\u003e\n\u003ch2 data-start=\"2824\" data-end=\"2844\"\u003eSKU \/ Part Code\u003c\/h2\u003e\n\u003cp data-start=\"2845\" data-end=\"2860\"\u003e\u003cstrong data-start=\"2845\" data-end=\"2860\"\u003eTAGF‑SD19WH\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"2862\" data-end=\"2865\"\u003e\n\u003ch2 data-start=\"2867\" data-end=\"2895\"\u003ePractical Use Scenarios\u003c\/h2\u003e\n\u003cul data-start=\"2897\" data-end=\"3302\"\u003e\n\u003cli data-start=\"2897\" data-end=\"3018\"\u003e\n\u003cp data-start=\"2899\" data-end=\"3018\"\u003eInstalling in steel‑framed entrance doors of commercial premises where large gaps may be present due to warped frames\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3019\" data-end=\"3114\"\u003e\n\u003cp data-start=\"3021\" data-end=\"3114\"\u003eHidden (flush) installation in doors to prevent tampering—ideal for high‑security buildings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3115\" data-end=\"3196\"\u003e\n\u003cp data-start=\"3117\" data-end=\"3196\"\u003eUse in alarm panels or security systems requiring normally closed loop wiring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3197\" data-end=\"3302\"\u003e\n\u003cp data-start=\"3199\" data-end=\"3302\"\u003eSettings where aesthetics matter—white color for matching frame or wall colour, minimal visible parts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3516\" data-end=\"3519\"\u003e\n\u003ch2 data-start=\"3521\" data-end=\"3578\"\u003eExcellence for the Australian and New Zealand Market\u003c\/h2\u003e\n\u003cul data-start=\"3579\" data-end=\"3991\"\u003e\n\u003cli data-start=\"3579\" data-end=\"3694\"\u003e\n\u003cp data-start=\"3581\" data-end=\"3694\"\u003eComplies with standard voltage\/current ratings used in AUS\/NZ residential and commercial security installations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3695\" data-end=\"3802\"\u003e\n\u003cp data-start=\"3697\" data-end=\"3802\"\u003eSourced from authorised distributor or brand representative in Australia, ensuring product authenticity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3803\" data-end=\"3920\"\u003e\n\u003cp data-start=\"3805\" data-end=\"3920\"\u003eEngineered to suit local environmental and structural conditions (steel doors, wide gaps, temperature variations)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3921\" data-end=\"3991\"\u003e\n\u003cp data-start=\"3923\" data-end=\"3991\"\u003eWarranty support handled locally for fast replacements and support\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3993\" data-end=\"3996\"\u003e\n\u003ch2 data-start=\"3998\" data-end=\"4007\"\u003eFAQs\u003c\/h2\u003e\n\u003cp data-start=\"4009\" data-end=\"4235\"\u003e\u003cstrong data-start=\"4009\" data-end=\"4102\"\u003eQ: What is the maximum permissible gap for part TAGF‑SD19WH when mounted in a steel door?\u003c\/strong\u003e\u003cbr data-start=\"4102\" data-end=\"4105\"\u003eA: The TAGF‑SD19WH supports a wide gap of 1½ inches (≈ 38.1 mm), ideal for use on steel doors where alignment may be less precise.\u003c\/p\u003e\n\u003cp data-start=\"4237\" data-end=\"4345\"\u003e\u003cstrong data-start=\"4237\" data-end=\"4310\"\u003eQ: What are the electrical ratings (voltage\/current) for TAGF‑SD19WH?\u003c\/strong\u003e\u003cbr data-start=\"4310\" data-end=\"4313\"\u003eA: It is rated at 30 VDC, 0.5 A.\u003c\/p\u003e\n\u003cp data-start=\"4347\" data-end=\"4535\"\u003e\u003cstrong data-start=\"4347\" data-end=\"4402\"\u003eQ: Is TAGF‑SD19WH normally closed or normally open?\u003c\/strong\u003e\u003cbr data-start=\"4402\" data-end=\"4405\"\u003eA: TAGF‑SD19WH is Normally Closed (N\/C), meaning the circuit is closed when the door is shut and opens when the contact separates.\u003c\/p\u003e\n\u003cp data-start=\"4537\" data-end=\"4724\"\u003e\u003cstrong data-start=\"4537\" data-end=\"4631\"\u003eQ: How long are the leads on TAGF‑SD19WH and are they sufficient for typical installation?\u003c\/strong\u003e\u003cbr data-start=\"4631\" data-end=\"4634\"\u003eA: The leads are 12 inches (≈304.8 mm), which is suitable for most standard installations.\u003c\/p\u003e\n\u003cp data-start=\"4726\" data-end=\"4927\"\u003e\u003cstrong data-start=\"4726\" data-end=\"4801\"\u003eQ: What are the physical dimensions of TAGF‑SD19WH for recess mounting?\u003c\/strong\u003e\u003cbr data-start=\"4801\" data-end=\"4804\"\u003eA: The body measures 3\/4″ (19.05 mm) in diameter and 0.84″ (21.34 mm) in length, making it compact for flush installations.\u003c\/p\u003e","brand":"CCTV Tradie","offers":[{"title":"Default Title","offer_id":44530417205351,"sku":"TAGF-SD19WH-NET","price":10.2,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/8268\/2471\/files\/Screenshot2025-09-11161159.png?v=1788077688","url":"https:\/\/shop.underbrella.com.au\/products\/tagf-sd19wh-flush-mount-steel-door-magnetic-contact-reed-switch-white-normally-closed-3-4-diameter-1-wide-gap-12-leads","provider":"UnderBrella","version":"1.0","type":"link"}