{"product_id":"80-uf-5-mfd-370440v-5060hz-cbb65-round-run-start-capacitor","title":"80 uF MFD ±5% 370\/440 VAC 50\/60 Hz CBB65 Round Run Start Capacitor - Fits AC Motor Run, Fan Start, Heat Pump","description":"\u003ch2\u003e80 uF MFD 370V\/440V VAC CBB65 Round Motor Run Capacitor\u003c\/h2\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Voltage Rated:\u003c\/strong\u003e Specifically engineered to operate on both 370VAC and 440VAC systems, providing a versatile replacement solution for a wide range of residential and commercial HVAC units.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Capacitance Performance:\u003c\/strong\u003e Features an 80 microfarad (uF) rating with a tight ±5% tolerance, ensuring your compressor or motor receives the precise electrical \"boost\" needed for efficient start-up and running.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInternal Pressure Safety Switch:\u003c\/strong\u003e Equipped with a built-in safety disconnector that permanently interrupts the circuit if internal pressure builds, preventing the capacitor from bursting in extreme heat or overload conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNon-PCB Oil Filled:\u003c\/strong\u003e Manufactured using environmentally friendly, non-toxic oil that provides superior heat dissipation and electrical insulation, significantly extending the service life of the component.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Aluminum Shell:\u003c\/strong\u003e Housed in a corrosion-resistant, hermetically sealed aluminum cylinder designed to withstand the vibration and temperature fluctuations of outdoor condenser units.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eReplaces \/ Cross-Reference Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Specification:\u003c\/strong\u003e 80 uF \/ 80 MFD at 440V\/370V.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVerified Cross-References:\u003c\/strong\u003e CBB65, CBB65B, 97F9850, HC98KA081, P291-8004RS.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustry Standard Codes:\u003c\/strong\u003e 10022, CAP-80-440R, Mars 12022, JARD 12722.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGeneral Specification:\u003c\/strong\u003e Round Run Capacitor, 80 MFD, 370\/440 Volts, 50\/60 Hz, Operating Temp -40°C to +70°C.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThis high-capacity run capacitor is a standard component for large-tonnage HVAC systems and heavy-duty motors. Key compatible applications include:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAir Conditioning Units:\u003c\/strong\u003e Fits many 4-ton and 5-ton central AC condensers from brands like Goodman, Amana, Carrier, Bryant, and Rheem.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeat Pumps:\u003c\/strong\u003e Compatible with residential heat pump systems requiring a dedicated 80 uF start\/run boost for the compressor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectric Motors:\u003c\/strong\u003e Suitable for use in large industrial fans, blowers, and pump motors that specify an 80 MFD 370\/440V capacitor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e Always verify that the MFD (80) matches your old capacitor exactly. You can always use a higher voltage (440V to replace a 370V), but never a lower voltage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e\"Bulged\" or Swollen Top:\u003c\/strong\u003e If the top of the aluminum cylinder is domed or mushroomed, the internal safety switch has tripped and the capacitor is dead.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompressor Won't Start:\u003c\/strong\u003e If you hear a \"humming\" or \"buzzing\" sound from your outdoor unit but the fan or compressor won't kick on, the capacitor likely lacks the charge to start the motor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLeaking Oil:\u003c\/strong\u003e Any visible fluid leaking from the terminals indicates the internal seal has failed and the part should be replaced immediately.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntermittent Cooling:\u003c\/strong\u003e A failing capacitor can cause the compressor to overheat and trip the internal thermal overload, leading to inconsistent cooling inside the home.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSafety First:\u003c\/strong\u003e \u003cstrong\u003eCRITICAL:\u003c\/strong\u003e Turn off the power at the breaker and the disconnect box. **DISCHARGE** the old capacitor by shorting the terminals with an insulated screwdriver before touching it—capacitors can hold a lethal charge even with the power off.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTerminal Mapping:\u003c\/strong\u003e \u003cstrong\u003ePRO TIP:\u003c\/strong\u003e Before removing the wires from the old unit, take a photo. If your capacitor has three terminals, they are usually labeled **C** (Common), **HERM** (Compressor), and **FAN**.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecure Mounting:\u003c\/strong\u003e Use a metal mounting strap to ensure the capacitor is held tightly against the unit wall. Excessive vibration can lead to premature failure of the internal connections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCheck the Contactor:\u003c\/strong\u003e While you're replacing the capacitor, inspect the points on your AC contactor. If they are pitted or \"charred,\" replacing them now will prevent the new capacitor from being stressed by poor electrical contact.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BlueStarsParts","offers":[{"title":"Default Title","offer_id":45367448830141,"sku":"AZ00569139","price":26.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2576\/7548\/files\/AZ00569139_1.jpg?v=1756985988","url":"https:\/\/bluestarspartstrend.com\/products\/80-uf-5-mfd-370440v-5060hz-cbb65-round-run-start-capacitor","provider":"BlueStars Parts","version":"1.0","type":"link"}