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400a air circuit breaker

(686 products available)

NF400-SEW 4P 400A (CH) Circuit Breaker
$858.25 - $1,007.52
Min. Order: 5 pieces
Shipping per piece: $3.12
1 yrsCNSupplier
5.0/5.0·1 reviews

About 400a air circuit breaker

Understanding the 400A Air Circuit Breaker

The 400A air circuit breaker is a pivotal component in modern electrical systems, designed to provide overcurrent and short-circuit protection for circuits typically rated for large electrical loads. This category of circuit breakers is essential for industrial applications where robust and reliable circuit protection is paramount.

Types and Applications

There are several types of air circuit breakers, including the standard, which offers basic protection, and more advanced models with ground fault protection features such as LSIG (Long-Time, Short-Time, Instantaneous, and Ground Fault). These breakers are versatile and can be utilized in various industrial settings, including manufacturing plants, commercial buildings, and power distribution networks.

Features and Materials

A 400A ACB is characterized by its interrupting capacity, which can handle high currents without damage. Constructed from durable materials like copper and steel, these breakers are built to withstand the rigors of industrial environments. The inclusion of electronic trip units in some models enhances their protective capabilities and reliability.

Advantages of Using a 400A Air Circuit Breaker

The use of a 400A air circuit breaker in a power distribution system offers several advantages. It provides a safe method for circuit interruption, minimizes the risk of electrical fires, and ensures the longevity of electrical equipment by protecting it from damage caused by overcurrents and short circuits.

Selection Considerations

When selecting a 400A air circuit breaker, it is crucial to consider the specific needs of the application, such as the breaker's interrupting capacity, trip unit features, and the environmental conditions of the installation site. Compatibility with existing electrical systems is also an important factor.

Maintenance and Sustainability

Maintenance of a 400A air circuit breaker is straightforward, requiring regular inspections and testing to ensure optimal performance. The sustainability of these breakers is enhanced by their long service life and the ability to be recycled at the end of their lifespan.