Technical Update: UL Certification for CBB60 and CBB61 Motor Running Capacitors

Enhancing Safety Standards for International Market Integration

To meet the rigorous safety requirements of the global electronics and electrical markets, Suntan Technology is advancing its quality management system by securing UL approval for its Motor Running Capacitor lines. This certification process covers the widely utilized CBB60 and CBB61 types, ensuring that hardware designers and OEM manufacturers can integrate these components into devices destined for North American and international markets with full regulatory confidence.

Product Series and Mechanical Configurations

The UL certification initiative encompasses two primary form factors designed to accommodate diverse mounting requirements in industrial and household applications:

• TS11-A through TS11-9 (CBB61 Type): Engineered as box-shaped capacitors with flame-retardant plastic cases. These are typically used in applications where PCB mounting or space-constrained housing is required.
• TS11-10 through TS11-21 (CBB60 Type): Featuring a cylindrical shape with a plastic case. This design is optimized for high-vibration environments and standard motor housing integration.

Technical Specifications and Performance Reliability

Suntan’s AC motor capacitors are designed for continuous operation, providing the necessary phase shift for single-phase induction motors. Key technical attributes include:

• Dielectric Material: Metallized Polypropylene Film, offering self-healing properties and low dissipation factors.
• Safety Compliance: Upcoming UL certification validates the component’s performance regarding insulation resistance and thermal stability.
• Cost Efficiency: Despite the technical upgrade to UL-certified status, Suntan maintains a competitive pricing structure, mitigating the impact of compliance costs on the final BOM (Bill of Materials).

Typical Applications

The CBB60 and CBB61 series are essential for the efficient operation of various motor-driven systems:

• HVAC Systems: Reliable start and run support for air conditioning fan motors and ventilation units.
• Household Appliances: Integration into washing machines, refrigerators, and electric fans.
• Industrial Equipment: Powering small water pumps, grinders, and automated machinery motors.

Design Considerations for Engineers

When selecting a motor running capacitor for global applications, engineers should prioritize the following:

• Certification Alignment: Ensure the capacitor series matches the target market’s safety standards (e.g., UL/cUL) to avoid redesigns during final product testing.
• Case Material & Geometry: Choose between the box shape (TS11-A~9) or cylindrical shape (TS11-10~21) based on the mechanical stress and mounting space available within the motor assembly.
• Voltage and Capacitance Rating: Selection must account for the peak voltage and duty cycle of the specific motor load to prevent premature component failure.

Technical Inquiry and Procurement

For detailed dimensions, capacitance ranges, and the latest status of our UL certification documentation, please visit our Motor Capacitor Product Page.

Suntan welcomes technical inquiries and bulk orders for our upgraded motor capacitor series:

• Sales Department: sales@suntan.com.hk
• General Information: info@suntan.com.hk