{"product_id":"air-flow-sensor-controller-ky265afs220v","title":"Air Flow Sensor Controller 220VAC | KY265AFS220V | Duct Airflow Switch PCBA","description":"\u003cdiv style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif; color: #1e293b; line-height: 1.6; max-width: 1000px; margin: 0 auto;\"\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; margin-bottom: 24px;\"\u003e\n\u003cdiv style=\"background: #fff; border: 1px solid #e2e8f0; border-top: 3px solid #1773b0; border-radius: 4px; padding: 12px 10px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: 22px; font-weight: 800; color: #0f172a;\"\u003e220VAC\u003c\/div\u003e\n\u003cdiv style=\"font-size: 11px; text-transform: uppercase; color: #64748b; margin-top: 4px; font-weight: 600;\"\u003eInput (175~250VAC)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff; border: 1px solid #e2e8f0; border-top: 3px solid #1773b0; border-radius: 4px; padding: 12px 10px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: 22px; font-weight: 800; color: #0f172a;\"\u003e0.5 m\/s\u003c\/div\u003e\n\u003cdiv style=\"font-size: 11px; text-transform: uppercase; color: #64748b; margin-top: 4px; font-weight: 600;\"\u003eMin. Sensed Airflow\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff; border: 1px solid #e2e8f0; border-top: 3px solid #1773b0; border-radius: 4px; padding: 12px 10px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: 22px; font-weight: 800; color: #0f172a;\"\u003e2A\u003c\/div\u003e\n\u003cdiv style=\"font-size: 11px; text-transform: uppercase; color: #64748b; margin-top: 4px; font-weight: 600;\"\u003eRelay Output Current\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff; border: 1px solid #e2e8f0; border-top: 3px solid #1773b0; border-radius: 4px; padding: 12px 10px; text-align: center;\"\u003e\n\u003cdiv style=\"font-size: 22px; font-weight: 800; color: #0f172a;\"\u003eTemp. Comp.\u003c\/div\u003e\n\u003cdiv style=\"font-size: 11px; text-transform: uppercase; color: #64748b; margin-top: 4px; font-weight: 600;\"\u003eStable -20~50℃\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f8fafc; border-left: 3px solid #1773b0; border-radius: 0 4px 4px 0; padding: 10px 14px; margin-bottom: 22px;\"\u003e\u003cp style=\"font-size: 13px; color: #334155; margin: 0; line-height: 1.5;\"\u003e\u003cstrong style=\"color: #0f172a;\"\u003eAirflow Linkage \u0026amp; Fault Monitoring for Duct Purifiers:\u003c\/strong\u003e The KY265AFS220V runs directly on 220VAC mains and switches power to duct equipment such as ESP\/plasma air purifiers and UV lamps only when the central AC fan is blowing. A temperature compensation probe keeps sensing consistent across seasons, while the power-supply feedback input and fault dry contact let your system detect and report equipment faults.\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 24px;\"\u003e\n\u003cdiv style=\"font-size: 13px; font-weight: bold; text-transform: uppercase; letter-spacing: 0.8px; color: #1773b0; margin-bottom: 12px; border-bottom: 1px solid #e2e8f0; padding-bottom: 6px;\"\u003eEngineering Highlights\u003c\/div\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit,minmax(260px,1fr)); gap: 12px;\"\u003e\n\u003cdiv style=\"background: #fff; border: 1px solid #e2e8f0; border-radius: 4px; padding: 14px;\"\u003e\n\u003cdiv style=\"font-size: 13px; font-weight: bold; color: #0f172a; margin-bottom: 4px;\"\u003e01. Temperature-Compensated Sensing\u003c\/div\u003e\n\u003cdiv style=\"font-size: 12px; color: #64748b;\"\u003eA dedicated temperature compensation probe keeps airflow detection consistent at different duct temperatures, reducing false triggers in summer and winter.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff; border: 1px solid #e2e8f0; border-radius: 4px; padding: 14px;\"\u003e\n\u003cdiv style=\"font-size: 13px; font-weight: bold; color: #0f172a; margin-bottom: 4px;\"\u003e02. Automatic Fan Linkage\u003c\/div\u003e\n\u003cdiv style=\"font-size: 12px; color: #64748b;\"\u003eDetects airflow from 0.5 m\/s (adjustable) and switches 220VAC output to the connected device; no airflow means no output and the controller stays in standby.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff; border: 1px solid #e2e8f0; border-radius: 4px; padding: 14px;\"\u003e\n\u003cdiv style=\"font-size: 13px; font-weight: bold; color: #0f172a; margin-bottom: 4px;\"\u003e03. Fault Detection \u0026amp; Dry Contact Output\u003c\/div\u003e\n\u003cdiv style=\"font-size: 12px; color: #64748b;\"\u003eConnects to the feedback wire of the high voltage power supply to monitor its status, and provides fault dry contact pins for BMS or external alarm signaling.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff; border: 1px solid #e2e8f0; border-radius: 4px; padding: 14px;\"\u003e\n\u003cdiv style=\"font-size: 13px; font-weight: bold; color: #0f172a; margin-bottom: 4px;\"\u003e04. Remote LED Panel \u0026amp; Easy Service\u003c\/div\u003e\n\u003cdiv style=\"font-size: 12px; color: #64748b;\"\u003eSeparate indicator board (green: power, red: fault) can be mounted on the unit housing. 30~50s self-test at power-on, and the sensor can be bypassed for maintenance.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 24px;\"\u003e\n\u003cdiv style=\"font-size: 13px; font-weight: bold; text-transform: uppercase; letter-spacing: 0.8px; color: #1773b0; margin-bottom: 12px; border-bottom: 1px solid #e2e8f0; padding-bottom: 6px;\"\u003eTechnical Data \u0026amp; Specifications\u003c\/div\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 13px;\"\u003e\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #f1f5f9; background: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 8px 12px; font-weight: 600; width: 38%; color: #334155;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; color: #0f172a;\"\u003eKY265AFS220V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f1f5f9;\"\u003e\n\u003ctd style=\"padding: 8px 12px; font-weight: 600; color: #334155;\"\u003eInput Voltage\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; color: #0f172a;\"\u003e220VAC (175~250VAC, 50\/60Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f1f5f9; background: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 8px 12px; font-weight: 600; color: #334155;\"\u003eOutput\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; color: #0f172a;\"\u003e175~250VAC \/ 50Hz to device, 2A max (use a contactor above 2A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f1f5f9;\"\u003e\n\u003ctd style=\"padding: 8px 12px; font-weight: 600; color: #334155;\"\u003eTerminals\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; color: #0f172a;\"\u003ePower input \/ Device output \/ Fault dry contact \/ Power supply feedback\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f1f5f9; background: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 8px 12px; font-weight: 600; color: #334155;\"\u003eMin. Sensed Airflow\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; color: #0f172a;\"\u003e0.5 m\/s (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f1f5f9;\"\u003e\n\u003ctd style=\"padding: 8px 12px; font-weight: 600; color: #334155;\"\u003eTemperature Compensation\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; color: #0f172a;\"\u003eBuilt-in compensation probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f1f5f9; background: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 8px 12px; font-weight: 600; color: #334155;\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; color: #0f172a;\"\u003e-20℃ ~ 50℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f1f5f9;\"\u003e\n\u003ctd style=\"padding: 8px 12px; font-weight: 600; color: #334155;\"\u003eIndicators\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; color: #0f172a;\"\u003eRemote LED board: Green = power, Red = fault\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f1f5f9; background: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 8px 12px; font-weight: 600; color: #334155;\"\u003eBoard Size \/ Mounting\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; color: #0f172a;\"\u003e105×55×33mm; holes Ø3.5mm, spacing 95mm \u0026amp; 45mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f1f5f9;\"\u003e\n\u003ctd style=\"padding: 8px 12px; font-weight: 600; color: #334155;\"\u003eSensor Installation\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; color: #0f172a;\"\u003eAt the point of highest airflow; circular side (with solder joint) perpendicular to airflow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 24px;\"\u003e\n\u003cdiv style=\"font-size: 13px; font-weight: bold; text-transform: uppercase; letter-spacing: 0.8px; color: #1773b0; margin-bottom: 10px; border-bottom: 1px solid #e2e8f0; padding-bottom: 6px;\"\u003eApplications\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 6px;\"\u003e\n\u003cspan style=\"background: #fff; border: 1px solid #cbd5e1; color: #334155; padding: 4px 10px; border-radius: 3px; font-size: 12px; font-weight: 500;\"\u003eESP \u0026amp; Plasma Duct Air Purifiers\u003c\/span\u003e \u003cspan style=\"background: #fff; border: 1px solid #cbd5e1; color: #334155; padding: 4px 10px; border-radius: 3px; font-size: 12px; font-weight: 500;\"\u003eHVAC Duct UV Lamps\u003c\/span\u003e \u003cspan style=\"background: #fff; border: 1px solid #cbd5e1; color: #334155; padding: 4px 10px; border-radius: 3px; font-size: 12px; font-weight: 500;\"\u003eAHU \/ FCU \/ Fresh Air Systems\u003c\/span\u003e \u003cspan style=\"background: #fff; border: 1px solid #cbd5e1; color: #334155; padding: 4px 10px; border-radius: 3px; font-size: 12px; font-weight: 500;\"\u003eBMS Fault Alarm Integration\u003c\/span\u003e \u003cspan style=\"background: #fff; border: 1px solid #cbd5e1; color: #334155; padding: 4px 10px; border-radius: 3px; font-size: 12px; font-weight: 500;\"\u003eFan \u0026amp; Blower Fault Detection\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f8fafc; border: 1px solid #cbd5e1; border-top: 3px solid #1773b0; border-radius: 4px; padding: 18px 20px; margin-bottom: 10px;\"\u003e\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 14px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px;\"\u003e\n\u003cdiv style=\"font-size: 15px; font-weight: bold; color: #0f172a; margin-bottom: 4px;\"\u003eOEM \/ ODM Custom Solutions\u003c\/div\u003e\n\u003cdiv style=\"font-size: 12px; color: #475569;\"\u003eNeed 12V DC input? See our KY265AFS12V. Custom voltage, sensing threshold, cable length, PCB size and private labeling available for HVAC and air purifier manufacturers.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003ca href=\"https:\/\/www.kinyo-china.com\/pages\/contact-us\" style=\"display: inline-block; background: #1773b0; color: #fff; text-decoration: none; font-size: 13px; font-weight: 600; padding: 10px 18px; border-radius: 4px; white-space: nowrap;\"\u003eContact Us \u0026amp; Request Quote →\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"KINYO-CHINA","offers":[{"title":"220VAC","offer_id":45122922742006,"sku":"KY265AFS220V","price":21.62,"currency_code":"USD","in_stock":true},{"title":"Custom OEM\/ODM Solution","offer_id":45122922709238,"sku":"1","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/0694\/9110\/files\/20231213151236.jpg?v=1702452732","url":"https:\/\/www.kinyo-china.com\/products\/air-flow-sensor-controller-ky265afs220v","provider":"KINYO-CHINA","version":"1.0","type":"link"}