Cbb61 2uf 450V S3 2+2 terminal

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Cbb61 2uf 450V S3 2+2 terminal

This is a very common starting and running capacitor in power electronic circuits. Simply put, it acts like a "quick-acting accelerator" and "stabilizer" for motors, specifically responsible for providing phase shift during startup for single-phase motors like fans or water pumps, and ensuring smooth power delivery during operation.

Core Specifications and Characteristics In-Depth Analysis:

Capacity and Voltage Rating (2uF / 450V):The 2uF represents its charge storage capacity, determining the starting force of the motor; 450V is its peak voltage rating. In a household 220V circuit, the motor generates a high reverse induced electromotive force at startup; therefore, the 450V rating provides sufficient electrical redundancy to prevent high-voltage breakdown.

S3 Safety Rating:S3 indicates that this capacitor has the highest level of explosion-proof safety design. It uses segmented metallized film technology internally, ensuring that even under extreme fault conditions, the capacitor will only fail (open circuit) without producing an open flame or exploding, ensuring the overall safety of household appliances.

2+2 Interface Layout (Terminal): This plug-in design not only facilitates wiring but also extends parallel logic. Two terminals on each side allow users to directly bridge other loads or sensors without damaging existing wiring, making it a standard industrial module interface.

Fully Sealed Epoxy Resin Process: The product uses an epoxy resin-encapsulated shell. This process effectively isolates it from moisture and dust in the air, maintaining extremely high insulation resistance even in humid environments like washing machines or high-temperature oil fume environments like range hoods.

Self-Healing Mechanism: This is the core advantage of metallized film capacitors. If a tiny weakness in the internal dielectric leads to breakdown, the metal layer at the fault point evaporates instantly, automatically repairing the insulation performance. This "self-healing" capability gives it an extremely long service life and surge resistance.

Typical Application Scenarios:

This type of capacitor is widely used in the motor compartments of the following devices:

Air Circulation Systems: Floor fans, ceiling fans, exhaust fans.

Kitchen exhaust systems: Chinese and European style range hoods.

Small-scale hydraulic equipment: Household automatic booster pumps and circulation pumps.

Washing equipment: Spin-drying systems for semi-automatic and fully automatic washing machines.

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Product Parameters:

Rated Voltage:

 250VAC~500VAC

Rated Frequency:

50/60Hz

Capacitance Range:

  0.5~35μF

Capacitance Tolerance:

±5%

Tangent of loss angle tan δ

≤0.2% (20°C,100Hz)

Standing Voltage:

 

Between Terminals:

2.0Un/2s( No flashover or permanent breakdown)

Terminals to case:

≥2100VAC/2s(No dielectric breakdown or flashover)

Highest allowable voltage:

1.1times of rated voltage

Maximum allowable circuit:

1.3times of rated circuit

Class of safety protection:

S0,S3

Executing Standards:

 IEC60252、EN60252、GB/T 3667.1、UL810

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