
( Brand: Square D ), ( Manufacturer Part Number: DPA43 )
The Square D DPA43 is a top-tier circuit breaker that falls under Class 8910E, according to the National Electrical Manufacturers Association (NEMA) standards. This breaker is designed to provide superior protection for electrical circuits, ensuring the safety and reliability of electrical systems.
The DPA43 is a 50A, H30E breaker, which means it can handle up to 50 amps of current and is suitable for applications with a voltage rating of 240 volts. The 'H30E' indicates that this breaker is designed for general-purpose applications, including commercial and industrial environments.
The breaker's resilience is further underscored by its 600VA short-circuit rating, which indicates its ability to withstand high-voltage, short-duration current surges without damage. This feature is particularly important in environments where power outages or electrical faults are common.
This Square D DPA43 breaker is also compliant with the UL 489 standard and is marked with the UL listing mark, ensuring it meets the highest standards for safety and performance. The breaker's housing is made of durable materials, including a dust-tight and weather-tight construction, making it suitable for use in harsh environments.
The DPA43 breaker is also easy to install and maintain, featuring a front-access design that allows for quick and easy access to the trip unit and other components. The breaker is also equipped with a protective cover that helps to prevent accidental operation or tampering.
In summary, the Square D DPA43 is a high-performance, reliable circuit breaker that is designed to provide superior protection for electrical circuits in a variety of applications. Its Class 8910E rating, 50A, H30E rating, and 600VA short-circuit rating make it an excellent choice for general-purpose applications in commercial and industrial environments.
The Square DPA43/Class 8910E is a 50A, H30E, 600VA, UL listed, NEMA 1 enclosed circuit breaker. Here are some pros and cons to consider before making a purchase:
Pros:1. High current rating: The breaker can handle up to 50 amps, making it suitable for heavy electrical loads.
2. H30E rating: This rating means the breaker can withstand high temperatures, making it suitable for use in industrial applications.
3. UL listed: The breaker has been tested and certified by Underwriters Laboratories, ensuring it meets safety standards.
4. NEMA 1 enclosure: The breaker has a weather-resistant enclosure, making it suitable for use in damp or humid environments.
5. Residual-current device (RCD): The breaker has an RCD, which can help prevent electrical shocks and fires by detecting and breaking the circuit if an imbalance is detected.
Cons:1. Price: The breaker may be more expensive than other circuit breakers with lower current ratings.
2. Size: Due to its high current and voltage rating, the breaker may be larger and heavier than other circuit breakers.
3. Complexity: The breaker may have more features and options than simpler circuit breakers, making it more complex to install and operate.
Conclusion:The Square DPA43/Class 8910E is a high-quality circuit breaker with a number of advantages, including its high current rating, H30E rating, UL listing, NEMA 1 enclosure, and RCD. However, its price, size, and complexity may be disadvantages for some users. Ultimately, whether this circuit breaker is the best choice for your needs depends on your specific electrical requirements and budget.
Recommendation:If you need a circuit breaker with a high current rating and the ability to withstand high temperatures, the Square DPA43/Class 8910E may be a good choice for you. However, be sure to consider the breaker's price, size, and complexity before making a purchase. It may be helpful to compare this breaker to other options on the market to ensure you are getting the best value for your money.