Ensure your high-tonnage HVAC systems maintain peak performance with the CBB65 50uF 450V Air Cond Running Capacitor. Specifically built for the intense electrical and thermal demands of 4-ton to 5-ton residential and commercial air conditioning units, this industrial-grade unit features a rugged, oil-filled aluminum casing. The metallic shell provides superior heat dissipation compared to plastic capacitors, ensuring your compressor starts reliably and runs with maximum energy efficiency even during extreme heatwaves.
Robust 50uF Capacity: Rated at 50uF ±5%, providing the massive electrical energy storage required for high-torque compressors and large HVAC blower motors.
Explosion-Proof Aluminum Shell: Equipped with a "Protected 10,000AFC" internal safety mechanism that automatically disconnects the capacitor in the event of an electrical failure, preventing case rupture.
Superior Heat Management: The oil-filled metallic shell dissipates heat rapidly, making it ideal for outdoor condenser units exposed to direct sunlight and high ambient temperatures.
450V AC Industrial Resilience: Built for 450VAC applications, offering a robust safety ceiling against power surges and voltage fluctuations in both 50Hz and 60Hz systems.
Certified Industry Standards: Fully compliant with CQC and CE certifications, featuring a 40/70/21 climatic rating for reliable operation in harsh environments.
High-Tonnage AC Compressors: Primary start and run support for large-capacity residential and light commercial AC units.
HVAC Condenser Fans: Supports heavy-duty outdoor fan motors for consistent and effective heat exchange.
Commercial Refrigeration: Ideal for large-scale walk-in coolers and commercial refrigeration compressors.
Heat Pumps: Provides reliable, year-round performance in both high-load heating and cooling modes.
Model: CBB65A.
Capacitance: 50uF ±5%.
Rated Voltage: 450V AC.
Frequency: 50/60Hz.
Can I replace a 45uF or 55uF capacitor with this 50uF model?
It is critical to match the original rating exactly for run capacitors. Using a value outside the ±5% tolerance can cause the compressor motor to draw too much current, run hot, and eventually burn out.
Why is the top of my old capacitor "domed" or bulged?
This indicates that the internal safety protection has activated. When a CBB65 capacitor fails internally, pressure builds up and pushes the aluminum lid out to break the circuit, preventing a fire. If your part is bulged, it must be replaced immediately.
Does it matter which way I connect the wires?
This capacitor is non-polarized, meaning you can connect the AC lines to either terminal set. However, ensure you are connecting the "Compressor" and "Fan" leads to the correct terminal groups if you are using it in a multi-terminal system.
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