What appliances is this capacitor compatible with?

It is designed for use in residential and commercial air conditioners, HVAC units, heat pumps, condensers, and fan motors that require a 45+5 µF dual run capacitor rated at 370V or 440V.

What does “45+5 µF” mean?

This is a dual run capacitor with two capacitance values: 45 µF (for the compressor motor) and 5 µF (for the fan motor). Both are combined into a single round unit with three labeled terminals (Herm, Fan, Common).

Is it a certified capacitor?

Absolutely. The capacitor is UL & cUL listed, CE, and TUV SÜD certified, ensuring it meets high safety and performance standards.

How do I know this is the right part for my AC?

Match the specifications: If your current capacitor says 45+5 µF, 370V/440V, this is the correct replacement. You can also check your unit’s manual or consult a licensed technician.

Can I install it myself?

Yes, There is no wiring or adapter changes are required. Three terminals on the top are labeled "Herm"/"H" for the compressor motor, "Fan"/"F" for the fan, and "C" for the common line. (Always turn off power before handling electrical parts.)

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45 + 5 MFD uf 370 or 440 Volt VAC Round Dual Run Capacitor by Blue Stars - Compatible for Air Conditioner or Heat Pump Condenser

Product ID: 494949501

Details

Brand
BlueStars
Capacitance
45 Microfarad
Material
Polypropylene
Operating Voltage
440 Volts
Shape
Round

⚡45+5 MFD dual capacitance

🌡️-25°C to +70°C operating range

🛡️10,000 AFC safety rating

Description

⚡ Power your comfort with precision and protection!

BUILT TO ENDURE - Operates flawlessly from -25°C to +70°C, ensuring reliability in extreme climates.
DUAL RUN POWER BOOST - 45+5 MFD capacitance delivers optimized motor start and run performance for AC and heat pumps.
SAFETY FIRST ALWAYS - 10,000 AFC rating guarantees top-tier protection against electrical faults.
LIFETIME PEACE OF MIND - Backed by lifetime protection for worry-free, long-term HVAC performance.
PLUG PLAY COMPATIBILITY - Fits seamlessly with multiple OEM models—no wiring changes needed, just install and go.

The Blue Stars 45+5 MFD dual run capacitor is a premium, UL & TÜV certified component designed for air conditioners and heat pumps. With a robust 370-440 VAC rating, a wide operating temperature range (-25°C to +70°C), and a high 10,000 AFC safety rating, it ensures efficient motor operation and long-lasting durability. Compatible with numerous OEM models and backed by lifetime protection, this capacitor is the smart choice for proactive HVAC maintenance and enhanced system longevity.

Specifications

ASIN	B094CL1TTV
Best Sellers Rank	#1,415,084 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #1,971 in Heater Parts & Accessories
Brand Name	BlueStars
Capacitance	45 Microfarad
Country of Origin	USA
Customer Reviews	4.6 4.6 out of 5 stars (235)
Included Components	45+5 MFD 370-440 VAC CBB65 Capacitor
Item Shape	Round
Manufacturer	BlueStars
Material Type	Polypropylene
Maximum Voltage	440 Volts
Model Number	MFD 45 + 5 uf
Mounting Type	Through-Hole Mount
Number of Items	1
Number of Packs	1
Operating Voltage	440 Volts
Part Number	MFD 45 + 5 uf
Upper Temperature Rating	70 Degrees Celsius

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