Ensure your cooling system operates at peak reliability with the CBB65 30uF 450V Air Cond Running Capacitor. Engineered for the demanding thermal environments of HVAC systems, the CBB65 series features a rugged, oil-filled aluminum housing that offers superior durability and safety compared to standard plastic motor capacitors. This unit provides the continuous electrical phase shift necessary for your air conditioner's compressor to start smoothly and maintain energy-efficient operation during long cooling cycles.
High-Capacity 30uF Output: Rated at 300uF ±5%, providing the precise electrical energy storage required for high-torque AC compressors and large condenser fans.
Explosion-Proof Aluminum Design: Includes a "Protected 10,000AFC" internal safety mechanism that disconnects the capacitor in the event of an electrical fault, preventing case rupture.
Optimized Heat Dissipation: The metallic, oil-filled construction allows for much faster heat transfer than plastic alternatives, which is critical for components housed in hot outdoor condenser units.
450V AC Industrial Rating: Built to handle 450VAC applications across 50/60Hz frequencies, ensuring durability against power surges and high-load operating conditions.
Certified Safety Standards: Fully compliant with CQC and CE certifications, featuring a climatic category rating of 40/70/21 for reliable use in extreme weather.
Air Conditioner Compressors: Primary start and run support for residential and commercial AC units.
HVAC Condenser Fans: Supports large outdoor fan motors for consistent heat exchange performance.
Refrigeration Systems: Suitable for high-capacity commercial cooling and refrigeration compressor motors.
Heat Pumps: Provides reliable, continuous performance in both heating and cooling operation modes.
Model: CBB65A.
Capacitance: 30uF ±5%.
Rated Voltage: 450V AC.
Frequency: 50/60Hz.
Can I use a 30uF capacitor if my old one was 25uF or 35uF?
It is highly recommended to match the original rating exactly. A variance of ±5% is the standard for healthy operation. Using the wrong capacitance can cause the compressor motor to overheat or draw excessive current, leading to premature failure.
Why is the CBB65 preferred over a plastic CBB60 for AC units?
The CBB65 (Aluminum) is designed for the high heat and safety requirements of HVAC systems. Its metal shell dissipates heat effectively, and it contains an internal safety disconnect (AFC protected) that plastic CBB60 models typically lack.
How can I tell if this capacitor has failed?
Check the top of the aluminum case. If it is "bulged" or rounded rather than flat, the internal safety protector has likely tripped, and the unit must be replaced. Another sign is if the AC fan or compressor "hums" but fails to start.
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