{"product_id":"qpm11-air-pressure-switch-g1-8-g1-4-adjustable-automatic-controller","title":"QPM11 Air Pressure Switch G1\/8 G1\/4 0.1–1MPa NO NC Adjustable","description":"\u003ch2\u003eQPM11 Adjustable Air Pressure Switch – NO \u0026amp; NC Models\u003c\/h2\u003e\n\u003cp\u003eTake precise control of your air compressor or hydraulic system with the \u003cstrong\u003eQPM11 Air Pressure Switch\u003c\/strong\u003e. Available in Normally Open (NO) and Normally Closed (NC) configurations, this heavy-duty diaphragm switch delivers reliable automatic pressure regulation for repair shops, workshops, and industrial applications. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModels:\u003c\/strong\u003e QPM11-NO \/ QPM11-NC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass-plated nickel body with insulated plastic casing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Thread:\u003c\/strong\u003e G1\/8\" or G1\/4\" external thread\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressure Range:\u003c\/strong\u003e 0.1–1 MPa (approx. 15–140 PSI), adjustable via included hex wrench\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable Pressure Ratings:\u003c\/strong\u003e 1.6 MPa | 3 MPa | 5 MPa | 10 MPa\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Medium:\u003c\/strong\u003e Air \/ Pneumatic systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -5°C to 60°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Voltage:\u003c\/strong\u003e 220V AC | 48V AC | DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Power:\u003c\/strong\u003e 24 VA \/ 100 VA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsulation Voltage:\u003c\/strong\u003e 500 V \/ 1500 V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Current:\u003c\/strong\u003e 500 mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax Pulse Count:\u003c\/strong\u003e 200 T\/min\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService Life:\u003c\/strong\u003e 100 million cycles\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 piece\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose the QPM11 Pressure Switch?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Adjustment:\u003c\/strong\u003e Quickly dial in your target pressure from 15 to 140 PSI using the included hexagonal wrench — no special tools needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNO \u0026amp; NC Configurations:\u003c\/strong\u003e Choose Normally Open (NO) for circuits that activate at a set pressure, or Normally Closed (NC) for circuits that remain closed until the set pressure is reached, offering flexible integration into any pneumatic control system.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Metal Construction:\u003c\/strong\u003e Brass-plated nickel body ensures excellent conductivity and long-term durability; insulated plastic housing provides safe, reliable operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimple Installation:\u003c\/strong\u003e External thread connection (G1\/8 or G1\/4) makes installation fast and straightforward — compatible with most standard compressor fittings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Ideal for air compressors, hydraulic systems, repair shops, and DIY electrical projects requiring automatic pressure control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × QPM11 Air Pressure Switch (NO or NC, as selected)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10-in-1-multi-functional-bone-wrench-hex-socket-spanner-portable-repair-hand-tool-for-bicycle-motorcycle-furniture-assembly\"\u003e10 in 1 Multi Functional Bone Wrench Hex Socket Spanner – Portable Repair Hand Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/16-in-1-multi-function-bike-repair-tool-portable-folding-hex-wrench-set-for-bicycle-motorcycle-furniture-maintenance-hand-tools\"\u003e16 in 1 Multi-function Bike Repair Tool – Portable Folding Hex Wrench Set\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/48-piece-mig-welding-nozzle-tip-set-mb15-ak15-torch\"\u003e48-Pc MIG Welding Nozzle \u0026amp; Tip Set – MB15 AK15 Torch\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Actual product color may vary slightly from images due to monitor brightness and lighting conditions. Please allow minor measurement deviations (1 cm = 0.39\"). Thank you for your understanding.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between the QPM11-NO and QPM11-NC air pressure switch models?\u003c\/h4\u003e\n\u003cp\u003eA: The QPM11-NO (Normally Open) switch has contacts that are open at rest and close when the set pressure is reached. The QPM11-NC (Normally Closed) switch has contacts that remain closed at rest and open once the set pressure threshold is met. Your choice depends on how your compressor or hydraulic control circuit is wired.\u003c\/p\u003e\n\u003ch4\u003eQ: What thread size does the QPM11 pressure switch use for installation?\u003c\/h4\u003e\n\u003cp\u003eA: The QPM11 pressure switch is available with G1\/8\" or G1\/4\" external thread connections, making it compatible with a wide range of standard air compressor and pneumatic system fittings.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I adjust the pressure setting on the QPM11 switch after installation?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The QPM11 air pressure switch includes a hexagonal wrench that allows you to easily adjust the pressure setting between approximately 15 PSI and 140 PSI (0.1–1 MPa) at any time, even after the switch is installed.\u003c\/p\u003e\n\u003ch4\u003eQ: What voltages is the QPM11 air pressure switch compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: The QPM11 supports 220V AC, 48V AC, and DC operating voltages, with maximum power ratings of 24 VA or 100 VA and insulation voltage ratings of 500 V or 1500 V, making it suitable for a broad range of electrical control applications.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between the QPM11-NO and QPM11-NC air pressure switch models?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The QPM11-NO (Normally Open) switch has contacts that are open at rest and close when the set pressure is reached. The QPM11-NC (Normally Closed) switch has contacts that remain closed at rest and open once the set pressure threshold is met. 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The QPM11 air pressure switch includes a hexagonal wrench that allows you to easily adjust the pressure setting between approximately 15 PSI and 140 PSI (0.1–1 MPa) at any time, even after the switch is installed.\"}}, {\"@type\": \"Question\", \"name\": \"What voltages is the QPM11 air pressure switch compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The QPM11 supports 220V AC, 48V AC, and DC operating voltages, with maximum power ratings of 24 VA or 100 VA and insulation voltage ratings of 500 V or 1500 V, making it suitable for a broad range of electrical control applications.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/ntmid8-d2.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/ntmid8-d2.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"QPM11 Air Pressure Switch G1\/8 G1\/4 0.1–1MPa NO NC Adjustable\", \"item\": \"https:\/\/ntmid8-d2.myshopify.com\/products\/qpm11-air-pressure-switch-g1-8-g1-4-adjustable-automatic-controller\"}]}\u003c\/script\u003e","brand":"VIBE","offers":[{"title":"QPM11-NO-01","offer_id":67676955541731,"sku":"14:1202#QPM11-NO-01","price":23.13,"currency_code":"USD","in_stock":true},{"title":"QPM11-NO-02","offer_id":67676955574499,"sku":"14:2904#QPM11-NO-02","price":23.13,"currency_code":"USD","in_stock":true},{"title":"QPM11-NC-01","offer_id":67676955607267,"sku":"14:351074#QPM11-NC-01","price":23.13,"currency_code":"USD","in_stock":true},{"title":"QPM11-NC-02","offer_id":67676955640035,"sku":"14:200004890#QPM11-NC-02","price":23.13,"currency_code":"USD","in_stock":true},{"title":"QPM11-NO-02 Inner","offer_id":67676955672803,"sku":"14:200006151#QPM11-NO-02 Inner","price":24.89,"currency_code":"USD","in_stock":true},{"title":"QPM11-NC-02 Inner","offer_id":67676955705571,"sku":"14:200006153#QPM11-NC-02 Inner","price":21.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0824\/8383\/9203\/files\/S8236c375c4b84f719ecaf9016a9951acM.webp?v=1791895606","url":"https:\/\/vibeshopmart.com\/products\/qpm11-air-pressure-switch-g1-8-g1-4-adjustable-automatic-controller","provider":"VIBE","version":"1.0","type":"link"}