{"product_id":"new-1-pcs-servo-fan-parky-pa77b3-ac220v-0-13a-172-51mm-ac-fan-aluminum-frame","title":"PA77B3 SERVO Fan Parky AC220V 0.13A 172x51mm","description":"\u003carticle class=\"koeed-container\"\u003e\n  \u003c!-- Engineer's Quick Brief --\u003e\n  \u003csection class=\"koeed-section\"\u003e\n    \u003ch2 style=\"color: #16c8c8;\"\u003eEngineer's Quick Brief\u003c\/h2\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eOptimized for Servo Systems:\u003c\/strong\u003e Specifically engineered for high-performance \u003cstrong\u003eServo Drive cooling\u003c\/strong\u003e and industrial cabinet ventilation.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eReliable AC Drive:\u003c\/strong\u003e Operates on standard \u003cstrong\u003eAC 220V\/240V\u003c\/strong\u003e, drawing a low \u003cstrong\u003e0.13A\u003c\/strong\u003e, making it energy-efficient for 24\/7 continuous operation.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eStandard Form Factor:\u003c\/strong\u003e The \u003cstrong\u003e172x150x51mm\u003c\/strong\u003e (round-edged) footprint ensures drop-in compatibility with most major industrial cooling racks and CNC machinery.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- SEO Introduction --\u003e\n  \u003csection class=\"koeed-section\"\u003e\n    \u003ch3\u003eHigh-Performance Industrial Cooling: PARKY PA77B3 AC Axial Fan\u003c\/h3\u003e\n    \u003cp\u003eThe \u003cstrong\u003ePARKY PA77B3\u003c\/strong\u003e is a heavy-duty \u003cstrong\u003eAC Axial Fan\u003c\/strong\u003e designed to meet the rigorous thermal management demands of modern industrial automation. Utilizing a high-strength aluminum alloy frame and precision ball bearings, this \u003cstrong\u003e172x51mm fan\u003c\/strong\u003e delivers consistent airflow to prevent overheating in \u003cstrong\u003eServo systems\u003c\/strong\u003e, power distribution cabinets, and telecommunications racks. With a 0.13A current draw at \u003cstrong\u003e220V AC\u003c\/strong\u003e, it balances high static pressure with quiet efficiency, ensuring the longevity of sensitive electronic components in harsh factory environments.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- Technical Specifications Table --\u003e\n  \u003csection class=\"koeed-section\"\u003e\n    \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n    \n    \u003cdiv style=\"overflow-x: auto;\"\u003e\n      \u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #eeeeee; font-size: 14px; margin-top: 10px;\"\u003e\n        \u003cthead\u003e\n          \u003ctr style=\"background-color: #16c8c8; color: #ffffff;\"\u003e\n            \u003cth style=\"padding: 12px; text-align: left;\"\u003eParameter\u003c\/th\u003e\n            \u003cth style=\"padding: 12px; text-align: left;\"\u003eValue \/ Specification\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr style=\"background-color: #f4fcfc;\"\u003e\n            \u003ctd style=\"padding: 10px; border-bottom: 1px solid #eeeeee;\"\u003e\u003cstrong\u003eBrand \/ Model\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 10px; border-bottom: 1px solid #eeeeee;\"\u003ePARKY PA77B3 (SERVO Fan)\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #fafafa;\"\u003e\n            \u003ctd style=\"padding: 10px; border-bottom: 1px solid #eeeeee;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 10px; border-bottom: 1px solid #eeeeee;\"\u003e172 x 150 x 51 mm\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #f4fcfc;\"\u003e\n            \u003ctd style=\"padding: 10px; border-bottom: 1px solid #eeeeee;\"\u003e\u003cstrong\u003eRated Voltage\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 10px; border-bottom: 1px solid #eeeeee;\"\u003eAC 220V - 240V (50\/60Hz)\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #fafafa;\"\u003e\n            \u003ctd style=\"padding: 10px; border-bottom: 1px solid #eeeeee;\"\u003e\u003cstrong\u003eRated Current\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 10px; border-bottom: 1px solid #eeeeee;\"\u003e0.13 A\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #f4fcfc;\"\u003e\n            \u003ctd style=\"padding: 10px; border-bottom: 1px solid #eeeeee;\"\u003e\u003cstrong\u003eInput Power\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 10px; border-bottom: 1px solid #eeeeee;\"\u003eApprox. 22-25W\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #fafafa;\"\u003e\n            \u003ctd style=\"padding: 10px; border-bottom: 1px solid #eeeeee;\"\u003e\u003cstrong\u003eBearing Type\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 10px; border-bottom: 1px solid #eeeeee;\"\u003eDual Precision Ball Bearings\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #f4fcfc;\"\u003e\n            \u003ctd style=\"padding: 10px; border-bottom: 1px solid #eeeeee;\"\u003e\u003cstrong\u003eHousing Material\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 10px; border-bottom: 1px solid #eeeeee;\"\u003eDie-Cast Aluminum Alloy (Black)\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #fafafa;\"\u003e\n            \u003ctd style=\"padding: 10px; border-bottom: 1px solid #eeeeee;\"\u003e\u003cstrong\u003eTermination\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd style=\"padding: 10px; border-bottom: 1px solid #eeeeee;\"\u003eTerminals or Lead Wires (Model Dependent)\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- Application Matrix --\u003e\n  \u003csection class=\"koeed-section\"\u003e\n    \u003ch3\u003eIndustrial Application Matrix\u003c\/h3\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eServo Drive Cooling:\u003c\/strong\u003e Ideal for Yaskawa, Mitsubishi, or Delta servo motor drives where concentrated heat dissipation is required.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eControl Cabinets:\u003c\/strong\u003e Forced air convection for IP54\/IP55 enclosures containing PLCs and VFDs.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eMedical Equipment:\u003c\/strong\u003e Used in imaging and diagnostic systems requiring reliable, long-life ventilation components.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- Koeed B2B Tool: Cabinet Cooling Calculator --\u003e\n  \u003csection class=\"koeed-section\" id=\"koeed-calc-tool\" style=\"background: #f9f9f9; padding: 25px; border-radius: 8px; border: 2px solid #16c8c8; margin: 30px 0;\"\u003e\n    \u003ch3 style=\"margin-top: 0; color: #16c8c8;\"\u003eCabinet Airflow Requirement Calculator\u003c\/h3\u003e\n    \u003cp style=\"font-size: 13px;\"\u003eDetermine if the \u003cstrong\u003ePA77B3\u003c\/strong\u003e (Standard Airflow approx. 180-210 CFM) meets your cabinet heat load requirements.\u003c\/p\u003e\n    \n    \u003cdiv style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin-bottom: 15px;\"\u003e\n      \u003cdiv\u003e\n        \u003clabel style=\"display:block; font-size: 12px; font-weight: bold;\"\u003eTotal Heat Load (Watts):\u003c\/label\u003e\n        \u003cinput type=\"number\" id=\"koeed-heat\" value=\"500\" style=\"width: 100%; padding: 8px; border: 1px solid #ccc; border-radius: 4px;\"\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003clabel style=\"display:block; font-size: 12px; font-weight: bold;\"\u003eMax Allowable Temp Rise (ΔT °C):\u003c\/label\u003e\n        \u003cinput type=\"number\" id=\"koeed-temp\" value=\"10\" style=\"width: 100%; padding: 8px; border: 1px solid #ccc; border-radius: 4px;\"\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \n    \u003cbutton onclick=\"koeedCalculateAirflow()\" style=\"background: #16c8c8; color: #fff; border: none; padding: 12px; border-radius: 4px; cursor: pointer; font-weight: bold; width: 100%;\"\u003eCalculate Required CFM\u003c\/button\u003e\n    \n    \u003cdiv id=\"koeed-calc-result\" style=\"margin-top: 15px; padding: 15px; background: #fff; border-left: 4px solid #16c8c8; font-family: monospace; display: none;\"\u003e\n      \u003c!-- Result injected here --\u003e\n    \u003c\/div\u003e\n    \u003cnoscript\u003e\u003cp\u003ePlease enable JavaScript to use the cooling requirement tool.\u003c\/p\u003e\u003c\/noscript\u003e\n  \u003c\/section\u003e\n\n  \u003cscript\u003e\n    function koeedCalculateAirflow() {\n      const P = parseFloat(document.getElementById('koeed-heat').value);\n      const dT = parseFloat(document.getElementById('koeed-temp').value);\n      \n      if (dT \u003c= 0) return;\n      \n      \/\/ Airflow formula: CFM = 3.16 * P(Watts) \/ ΔT(°F)\n      \/\/ ΔT(°F) = ΔT(°C) * 1.8\n      const dT_F = dT * 1.8;\n      const cfm = (3.16 * P) \/ dT_F;\n      const fansNeeded = Math.ceil(cfm \/ 200); \/\/ Assuming PA77B3 average 200 CFM\n      \n      const resultDiv = document.getElementById('koeed-calc-result');\n      resultDiv.style.display = 'block';\n      resultDiv.innerHTML = `\n        \u003cstrong\u003eCooling Analysis:\u003c\/strong\u003e\u003cbr\u003e\n        - Required Airflow: \u003cstrong\u003e${cfm.toFixed(2)} CFM\u003c\/strong\u003e\u003cbr\u003e\n        - Recommended PA77B3 Fans: \u003cstrong\u003e${fansNeeded} unit(s)\u003c\/strong\u003e\u003cbr\u003e\n        \u003cspan style=\"font-size:11px;\"\u003e*Assumes sea level air density and typical 200 CFM output per fan.\u003c\/span\u003e\n      `;\n    }\n  \u003c\/script\u003e\n\n  \u003c!-- Troubleshooting \u0026 FAQ --\u003e\n  \u003csection class=\"koeed-section\"\u003e\n    \u003ch3\u003eTroubleshooting \u0026amp; FAQ\u003c\/h3\u003e\n    \u003cdiv class=\"koeed-faq\"\u003e\n      \u003cp\u003e\u003cstrong\u003eQ: What is the significance of the 51mm thickness?\u003c\/strong\u003e\u003cbr\u003e\n      A: The 51mm thickness allows for a larger impeller pitch, which provides significantly higher \u003cstrong\u003estatic pressure\u003c\/strong\u003e compared to standard 38mm fans, making it better at pushing air through dense filters or heat sinks.\u003c\/p\u003e\n      \n      \u003cp\u003e\u003cstrong\u003eQ: Can the PA77B3 operate at 50Hz and 60Hz?\u003c\/strong\u003e\u003cbr\u003e\n      A: Yes, it is dual-frequency compatible. Note that at 60Hz, the fan speed and airflow will increase by approximately 15-20%, while current draw remains stable.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eQ: Is there a specific mounting orientation required?\u003c\/strong\u003e\u003cbr\u003e\n      A: Because the PA77B3 uses high-quality \u003cstrong\u003eball bearings\u003c\/strong\u003e, it can be mounted in any orientation (horizontal, vertical, or angled) without affecting its 50,000+ hour service life.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- Cross-Reference \u0026 Selection --\u003e\n  \u003csection class=\"koeed-section\"\u003e\n    \u003ch3\u003eCross-Reference Guide\u003c\/h3\u003e\n    \u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 13px;\"\u003e\n      \u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eFunctional Alternative\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eSunon DP200A, EBM-Papst 4650N (Check mounting hole pitch)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eSize Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eFits standard 172mm fan trays and finger guards.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eRelated Series\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003ePARKY PA77B1 (115V version) \/ PA77B3-T (Terminal type)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- Structured Data --\u003e\n  \u003cscript type=\"application\/ld+json\"\u003e\n  {\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n      {\n        \"@type\": \"Question\",\n        \"name\": \"Can PARKY PA77B3 run on both 50Hz and 60Hz?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes, it is compatible with both 50Hz and 60Hz AC supplies. Performance (RPM and CFM) will be slightly higher at 60Hz.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"What is the expected lifespan of the PA77B3 fan?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Equipped with dual ball bearings, this fan is typically rated for over 50,000 hours of continuous operation at standard room temperatures.\"\n        }\n      }\n    ]\n  }\n  \u003c\/script\u003e\n\n  \u003cscript type=\"application\/ld+json\"\u003e\n  {\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"WebApplication\",\n    \"name\": \"Cabinet Airflow Requirement Calculator\",\n    \"operatingSystem\": \"All\",\n    \"applicationCategory\": \"ThermalEngineeringTool\",\n    \"description\": \"Calculates the required CFM and number of fans for an industrial cabinet based on heat load and target temperature rise.\"\n  }\n  \u003c\/script\u003e\n\u003c\/article\u003e\n\n\u003cstyle\u003e\n  .koeed-container { line-height: 1.6; color: #333; font-family: sans-serif; }\n  .koeed-section { margin-bottom: 30px; }\n  .koeed-section h2, .koeed-section h3 { margin-bottom: 15px; color: #16c8c8; }\n  .koeed-faq p { margin-bottom: 15px; }\n\u003c\/style\u003e","brand":"KOEED","offers":[{"title":"Default Title","offer_id":44416069009593,"sku":"256048889514","price":192.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/8476\/7929\/files\/s-l1600_917238c3-6fc7-437a-bd59-5b4e1e7e5c19.jpg?v=1723812816","url":"https:\/\/koeed.com\/products\/new-1-pcs-servo-fan-parky-pa77b3-ac220v-0-13a-172-51mm-ac-fan-aluminum-frame","provider":"KOEED","version":"1.0","type":"link"}