CBB61 450V Fan Start Capacitor 1–3.5µF | AC Motor Part
CBB61 450V Fan Start Capacitor 1–3.5µF | AC Motor Part
CBB61 450V Fan Start Capacitor — Air Conditioner & HVAC Replacement Part
Keep your air conditioner, ceiling fan, or HVAC unit running smoothly with this high-quality CBB61 film capacitor. Available in multiple capacitance values (1 / 1.2 / 1.5 / 2 / 2.5 / 3 / 3.5 µF) at a rated voltage of 450V AC, this blue vertical start capacitor is an ideal direct replacement for fan motor starting circuits in a wide range of residential and light commercial equipment.
Made in Mainland China.
Key Features
- Multiple capacitance options: 1 / 1.2 / 1.5 / 2 / 2.5 / 3 / 3.5 µF — choose the value that matches your original part
- Rated voltage: 450V AC for safe, reliable performance in demanding circuits
- Tight tolerance: J-grade ±5% capacitance accuracy ensures consistent motor starting performance
- Eco-friendly blue casing: Environmentally conscious polypropylene film construction (CBB61 type)
- Pin-style terminals: 32 mm pin spacing, 4 mm pin length, 0.8 mm pin diameter — easy drop-in installation
- Compact dimensions: 36 mm (L) × 12 mm (W/Thickness) × 20 mm (H) — fits most standard capacitor mounting slots
- DIY-friendly: Ideal for electricians, HVAC technicians, and experienced DIY enthusiasts
Specifications
| Type | CBB61 Polypropylene Film Capacitor |
| Capacitance | 1 / 1.2 / 1.5 / 2 / 2.5 / 3 / 3.5 µF (select your value) |
| Rated Voltage | 450V AC |
| Tolerance | ±5% (J Grade) |
| Dimensions | 36 mm × 12 mm × 20 mm |
| Pin Spacing | 32 mm |
| Pin Length / Diameter | 4 mm / 0.8 mm |
| Package | 1 × CBB61 Capacitor |
| Origin | Mainland China |
Common Applications
- Air conditioner fan motors (split, window, and portable units)
- Ceiling fans and exhaust fans
- HVAC blower motors
- General-purpose AC motor starting circuits
Safety & Installation Note
Always disconnect power before servicing any electrical equipment. Capacitors can retain charge even after power is removed — discharge safely before handling. Installation should be performed by a qualified electrician or HVAC technician where required by local codes. For general guidance on electrical safety, refer to the U.S. Consumer Product Safety Commission – Electrical Safety.
Frequently Asked Questions
Q: How do I know which capacitance value (µF) I need for my air conditioner fan?
A: Check the label on your existing capacitor or refer to your unit's service manual. The original capacitor will display its capacitance in µF and its voltage rating. Select the CBB61 capacitor that matches those values exactly. Using an incorrect µF value can affect motor starting performance.
Q: Is this CBB61 capacitor compatible with ceiling fans and exhaust fans, not just air conditioners?
A: Yes. The CBB61 450V fan start capacitor is widely used across many single-phase AC motor applications, including ceiling fans, exhaust fans, and HVAC blower motors, as long as the capacitance and voltage ratings match your equipment's requirements.
Q: What does the ±5% (J-grade) tolerance mean for this capacitor?
A: J-grade tolerance means the actual capacitance will be within 5% above or below the stated value. This tight tolerance ensures consistent, predictable motor starting characteristics and is standard for quality replacement capacitors used in HVAC and fan applications.