Dual Run Motor Capacitor CBB65B 40+7.5uf ±5% 370V / 440VAC for Air Conditioner & Fan Motors
CBB65 capacitors are engineered to support high-load AC motors, ensuring stable electrical output under demanding operating conditions.
Model Number :
CBB65Brand Name :
EVAShape :
RoundTerminal :
PinsProtection Class :
S2Color :
Silver aluminum shellWarranty :
3 years or 5 yearsOperation Temperature :
25/85/21Order(MOQ) :
50Product Origin :
Anhui,ChinaPayment :
T/T,L/C,DPLead Time :
7-15 DaysShipping Port :
Shanghai,Ningbo,Qingdao,Guangzhou,YiwuThe Dual Run Motor Capacitor CBB65B is commonly used in air conditioner fan motor circuits, providing reliable motor support during start and continuous operation.
It is suitable for repair, replacement, and OEM assembly of air conditioning equipment.
This capacitor supports both 370VAC and 440VAC, making it compatible with a wide range of AC fan motor systems.

Performance Benefits:
Stable capacitance for smooth fan motor operation
Helps maintain proper airflow in AC systems
Reliable electrical behavior under continuous load
Compatible with standard AC fan motor designs
Technical Parameter:
| Ambient Temp | Rated Voltage (VAC) |
Range of Capacitance (μf) |
Testing Voltage (VAC) |
Dissipation Factor | Operating Frequency |
| -40-85ºC | 150-630 | 1-100 | T-T:2Un/2S T-C:≥2200VAC/2S |
tanδ≤0.002(100Hz) | 50/60Hz |
Capacitance Tolerance: ±5% or fulfilled upon request.
Typical Use Cases:

❄️ Air Conditioning Systems
Industrial air conditioning units
High-power compressor motors
Large-scale ventilation systems
Product Advantage
*Designed for higher power air conditioner systems
*Stable capacitance output under continuous electrical load
*Enhanced thermal performance for enclosed installation environments
*Reliable quality for long-term operation
*Suitable for large-scale OEM air conditioner manufacturing
OEM & Aftermarket Support:

*Over 17 years of manufacturing experience in motor capacitors
*Strict process control from winding to final electrical testing
*Stable long-term supply for OEM and bulk orders
*Custom capacitance, voltage, and lead configuration available
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Packing
Our standard packaging follows a double-protection structure of inner box + Outer carton, ensuring your products arrive safely and in perfect condition. For certain items, we also offer individual packaging options, which can be fully customlized according to your requirements.
All outer cartons are made from export-grade, 5-ply corrugated material, providing exceptional strength, compression resistance, and durability during long-distance transportation. We strictly follow international packaging standards to guarantee secure delivery—whether by sea, air, or express.
Customlized packaging, labeling, and palletizing can also be arranged to meet your specific logistics or branding needs.
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🚢 Shipping Methods
We provide multiple shipping solutions to meet different delivery needs:
Sea Freight — stable and cost-effective
Air Freight — fast and suitable for urgent or small-volume shipments
We will recommend the best shipping method based on your order size, delivery schedule, and budget.
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