{"product_id":"16mm-emergency-stop-switch-latching-mushroom","title":"AB6-A 16mm Emergency Stop Switch - Latching Mushroom Head, 1NO 1NC","description":"\u003cstyle\u003e\n.nznpd{--o:#F57C00;--od:#E65100;--ink:#0F172A;--mut:#5b6573;--line:#E8ECF0;--soft:#F7F8FA;max-width:1120px;margin:0 auto;color:var(--ink);font-family:system-ui,-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,Helvetica,Arial,sans-serif;line-height:1.6}\n.nznpd,.nznpd *{box-sizing:border-box}\n.nznpd p{margin:0;color:var(--mut);font-size:15px;line-height:1.65}\n.nznpd strong{color:var(--ink)}\n.nznpd__intro{font-size:16px;color:var(--ink);font-weight:500;line-height:1.6}\n.nznpd__highlights{list-style:none;padding:0;margin:24px 0 0;display:grid;grid-template-columns:repeat(2,1fr);column-gap:36px}\n.nznpd__highlights li{display:flex;gap:11px;align-items:flex-start;font-size:14px;color:var(--ink);line-height:1.5;padding:12px 0;border-bottom:1px solid var(--line)}\n.nznpd__highlights li::before{content:\"\\25B8\";flex:0 0 auto;color:var(--o);font-size:12px;line-height:1.75}\n.nznpd__highlights li:nth-last-child(-n+2){border-bottom:none}\n.nznpd__qs{background:#FFF7EF;border:2px solid #FCE0C6;border-radius:16px;padding:22px}\n.nznpd__qs h3{margin:0 0 16px;font-size:12px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--od)}\n.nznpd__steps{list-style:none;counter-reset:s;padding:0;margin:0;display:grid;gap:14px}\n.nznpd__steps li{display:grid;grid-template-columns:27px 1fr;gap:12px}\n.nznpd__steps li::before{counter-increment:s;content:counter(s);width:27px;height:27px;border-radius:999px;background:#fff;border:2px solid #FCE0C6;color:var(--od);font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center}\n.nznpd__steps strong{display:block;font-size:14px}\n.nznpd__steps p{font-size:13px;margin-top:2px;line-height:1.45}\n.nznpd__block{margin-top:36px;padding-top:30px;border-top:1px solid var(--line)}\n.nznpd__h{margin:0 0 24px;padding-bottom:10px;font-size:1.15rem;font-weight:800;letter-spacing:-.02em;color:var(--ink);display:flex;align-items:center;gap:10px}\n.nznpd__h::before{content:\"\";flex:0 0 auto;width:20px;height:3px;border-radius:2px;background:var(--o)}\n.nznpd__specs{border:2px solid var(--line);border-radius:12px;overflow:hidden}\n.nznpd__spec{display:grid;grid-template-columns:minmax(150px,.7fr) 1fr;gap:18px;padding:12px 16px;font-size:14px}\n.nznpd__spec:nth-child(odd){background:var(--soft)}\n.nznpd__spec span{color:var(--mut)}\n.nznpd__spec strong{font-weight:700}\n.nznpd__dsbar{display:flex;align-items:center;gap:11px;padding:14px 16px;border-top:2px solid var(--line);background:#FFF8F1;text-decoration:none;color:var(--od);font-weight:700;font-size:14px;line-height:1.3;transition:background .16s ease}\n.nznpd__dsbar:hover{background:#FCEBD8}\n.nznpd__dsbar svg{flex:0 0 auto;color:var(--o)}\n.nznpd__dsmeta{margin-left:auto;display:flex;align-items:center;gap:8px;font-size:12px;font-weight:600;color:var(--mut);text-transform:uppercase;letter-spacing:.03em;white-space:nowrap}\n.nznpd__included{display:flex;gap:16px;align-items:center;border:2px solid var(--line);border-radius:16px;background:var(--soft);padding:18px 20px}\n.nznpd__qty{flex:0 0 auto;width:46px;height:46px;border-radius:12px;background:#FFF3E8;color:var(--o);font-weight:800;display:flex;align-items:center;justify-content:center}\n.nznpd__included strong{display:block;font-size:15px;margin-bottom:3px}\n.nznpd__uses{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}\n.nznpd__use{padding:13px 14px;background:var(--soft);border-left:3px solid var(--o);border-radius:0 10px 10px 0;font-size:14px;color:var(--ink);line-height:1.4}\n.nznpd p.nznpd__note{margin-top:16px;background:var(--soft);border:2px solid var(--line);border-radius:12px;padding:14px 16px;font-size:13.5px;color:var(--mut);line-height:1.55}\n@media (prefers-reduced-motion:reduce){.nznpd__dsbar{transition:none}}\n@media (max-width:999px){.nznpd{padding-left:16px;padding-right:16px}}\n@media (max-width:749px){.nznpd{padding-left:14px;padding-right:14px}.nznpd__intro{font-size:15.5px}.nznpd__highlights{grid-template-columns:1fr;margin-top:18px}.nznpd__highlights li:nth-last-child(2){border-bottom:1px solid var(--line)}.nznpd__uses{grid-template-columns:1fr}.nznpd__spec{grid-template-columns:1fr;gap:2px}.nznpd__h{margin-bottom:16px}.nznpd__dsmeta{font-size:11px}}\n\u003c\/style\u003e\n\u003cdiv class=\"nznpd\"\u003e\n\u003cdiv class=\"nznpd__lead\"\u003e\n\u003cp class=\"nznpd__intro\"\u003eA 16mm panel-mount latching stop switch with a red mushroom head. Press it and the button locks down; twist the head clockwise to release it. One changeover contact on \u003cstrong\u003eC \/ NO \/ NC\u003c\/strong\u003e tabs, silver-alloy contacts, an \u003cstrong\u003eIP65\u003c\/strong\u003e front face once panel-mounted, and a drop-in fit for a \u003cstrong\u003e16mm\u003c\/strong\u003e cutout. Built for hobby machines, workshop benches and prototype control panels. It carries \u003cstrong\u003eno stated safety certification\u003c\/strong\u003e, so please don't make it the only thing standing between an operator and a moving machine.\u003c\/p\u003e\n\u003cul class=\"nznpd__highlights\"\u003e\n\u003cli\u003eSelf-locking head, twist clockwise to release\u003c\/li\u003e\n\u003cli\u003e1NO + 1NC changeover on a shared common\u003c\/li\u003e\n\u003cli\u003eRated 3A at 250VAC, 5A at 30VDC\u003c\/li\u003e\n\u003cli\u003eSilver-alloy contacts, 4µm cladding\u003c\/li\u003e\n\u003cli\u003eIP65 front face, pollution degree III\u003c\/li\u003e\n\u003cli\u003e23mm mushroom head, 47mm overall length\u003c\/li\u003e\n\u003cli\u003e2.8mm spade tabs, up to 0.75mm² wire\u003c\/li\u003e\n\u003cli\u003eOperating range -25°C to +55°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003csection class=\"nznpd__block\"\u003e\n\u003ch3 class=\"nznpd__h\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv class=\"nznpd__specs\"\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eModel\u003c\/span\u003e\u003cstrong\u003eAB6-A (body marked AC 250V 3A \/ DC 30V 5A)\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eType\u003c\/span\u003e\u003cstrong\u003eLatching (self-locking) mushroom stop switch\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003ePanel cutout\u003c\/span\u003e\u003cstrong\u003e16mm diameter\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eMushroom head\u003c\/span\u003e\u003cstrong\u003e23mm diameter\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eOverall length\u003c\/span\u003e\u003cstrong\u003e47mm, head to terminal tips\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eBody below head\u003c\/span\u003e\u003cstrong\u003e33mm\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eTerminal tabs\u003c\/span\u003e\u003cstrong\u003e7mm long\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eDepth behind panel\u003c\/span\u003e\u003cstrong\u003eAbout 30mm, plus clearance for the wiring\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eAction\u003c\/span\u003e\u003cstrong\u003ePush to latch, twist clockwise to release\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eContacts\u003c\/span\u003e\u003cstrong\u003e1NO + 1NC changeover, sharing a common (C \/ NO \/ NC)\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eContact material\u003c\/span\u003e\u003cstrong\u003eSilver \/ silver alloy, 4µm cladding\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eTerminals\u003c\/span\u003e\u003cstrong\u003e2.8 × 0.5mm spade \/ solder tabs\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eMax wire size\u003c\/span\u003e\u003cstrong\u003e0.75mm² copper (solder wire 2 × 0.8mm)\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eMax voltage\u003c\/span\u003e\u003cstrong\u003e250V AC \/ 30V DC\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eMax current\u003c\/span\u003e\u003cstrong\u003e3A AC \/ 5A DC\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eThermal current\u003c\/span\u003e\u003cstrong\u003e5A conventional\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eDielectric strength\u003c\/span\u003e\u003cstrong\u003e2000V AC 50Hz 1 min between poles and to lamp terminal; 1000V same pole\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eInsulation resistance\u003c\/span\u003e\u003cstrong\u003e≥100MΩ\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eContact resistance\u003c\/span\u003e\u003cstrong\u003e≤30mΩ\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eIP rating\u003c\/span\u003e\u003cstrong\u003eIP65 front face (rear terminals unsealed - mount the back inside an enclosure)\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003ePollution degree\u003c\/span\u003e\u003cstrong\u003eIII\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eOperating temperature\u003c\/span\u003e\u003cstrong\u003e-25°C to +55°C\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eHumidity\u003c\/span\u003e\u003cstrong\u003e45-85% RH, no condensation\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eAltitude\u003c\/span\u003e\u003cstrong\u003e≤2000m\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eVibration\u003c\/span\u003e\u003cstrong\u003e50Hz, approx. 1.2mm amplitude\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eShock\u003c\/span\u003e\u003cstrong\u003e\u0026gt;10g\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eMechanical life\u003c\/span\u003e\u003cstrong\u003e≥100,000 operations\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eElectrical life\u003c\/span\u003e\u003cstrong\u003e≥50,000 operations at rated load\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eSolder heat resistance\u003c\/span\u003e\u003cstrong\u003e230°C for no more than 3 seconds\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eLamp terminals\u003c\/span\u003e\u003cstrong\u003e+ and - present on the contact block; no lamp specified for this variant\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eBody material\u003c\/span\u003e\u003cstrong\u003ePlastic\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eSafety certification\u003c\/span\u003e\u003cstrong\u003eNone stated by the supplier - we make no claim of ISO 13850 or IEC 60947-5-5 compliance\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003ca class=\"nznpd__dsbar\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0664\/6127\/0112\/files\/AB6-A-ESTOP-Datasheet-v3.pdf?v=1787117728\" target=\"_blank\" rel=\"noopener\" aria-label=\"Download the full AB6-A technical datasheet (PDF)\"\u003e\n\u003csvg width=\"20\" height=\"20\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z\"\u003e\u003c\/path\u003e\u003cpolyline points=\"14 2 14 8 20 8\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\n\u003cspan\u003eFull technical datasheet\u003c\/span\u003e\n\u003cspan class=\"nznpd__dsmeta\"\u003ePDF\u003csvg width=\"17\" height=\"17\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4\"\u003e\u003c\/path\u003e\u003cpolyline points=\"7 10 12 15 17 10\"\u003e\u003c\/polyline\u003e\u003cline x1=\"12\" y1=\"15\" x2=\"12\" y2=\"3\"\u003e\u003c\/line\u003e\u003c\/svg\u003e\u003c\/span\u003e\n\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"nznpd__block\"\u003e\n\u003ch3 class=\"nznpd__h\"\u003eWhat's in the box\u003c\/h3\u003e\n\u003cdiv class=\"nznpd__included\"\u003e\n\u003cdiv class=\"nznpd__qty\"\u003e1×\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAB6-A latching mushroom stop switch\u003c\/strong\u003e\n\u003cp\u003eMushroom head, contact block and panel mounting hardware.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"nznpd__block\"\u003e\n\u003ch3 class=\"nznpd__h\"\u003eGreat for\u003c\/h3\u003e\n\u003cdiv class=\"nznpd__uses\"\u003e\n\u003cdiv class=\"nznpd__use\"\u003eHobby 3D printers and laser cutters\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003eHome workshop CNC routers and mills\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003eWorkshop bench power cutoff\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003eRobotics and go-kart builds\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003eTest rigs and prototype control panels\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003eAny panel needing a latching push-to-stop button\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"nznpd__block\"\u003e\n\u003cdiv class=\"nznpd__qs\"\u003e\n\u003ch3\u003eWiring \u0026amp; getting started\u003c\/h3\u003e\n\u003col class=\"nznpd__steps\"\u003e\n\u003cli\u003e\u003cdiv\u003e\n\u003cstrong\u003eDrill a 16mm hole\u003c\/strong\u003e\u003cp\u003eMount the switch through the panel and secure it with the supplied nut and anti-rotation plate. Allow about 30mm of depth behind the panel for the body and terminals, plus room for the wiring to leave the tabs.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003e\n\u003cstrong\u003eWire the NC contact\u003c\/strong\u003e\u003cp\u003eRun C and NC in series with your machine's enable signal or power. NC is closed at rest and opens when the button latches down, so a broken wire opens the circuit too rather than hiding the fault.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003e\n\u003cstrong\u003eCrimp or solder to the tabs\u003c\/strong\u003e\u003cp\u003eTerminals are 2.8 × 0.5mm tabs taking up to 0.75mm² wire. Use 2.8mm crimp spades, or solder at no more than 230°C for under 3 seconds.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003e\n\u003cstrong\u003eCheck your ratings, then test it\u003c\/strong\u003e\u003cp\u003e3A at 250VAC or 5A at 30VDC. For anything heavier, switch a contactor or relay coil instead of the load. Press the button, confirm the machine actually stops, twist to release, then reset your controller.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cp class=\"nznpd__note\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e This is a latching stop switch sold for hobby, workshop and prototype use. The supplier states no safety certification for it and we make no claim of ISO 13850 or IEC 60947-5-5 compliance, so it shouldn't be the sole protective device on machinery that can cause injury - use a certified safety component for that. The IP65 rating covers the front face only, so the rear of the switch belongs inside an enclosure. Mains AC wiring must be carried out by a licensed electrician to local standards. Requires a 16mm panel cutout.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"NZN Electronics","offers":[{"title":"Default Title","offer_id":42644907196512,"sku":"SW-ESTOP-16MM-1NO1NC","price":8.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/6127\/0112\/files\/AB6A-Hero.png?v=1786969353","url":"https:\/\/www.nznelectronics.co.nz\/products\/16mm-emergency-stop-switch-latching-mushroom","provider":"NZN Electronics","version":"1.0","type":"link"}