9912040003 Circuit Protection

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Circuit breakers have become an essential component of modern electrical systems. The 9912040003 is a type of circuit breaker used to protect against short circuits, overloads, and other potential sources of electrical shock. It is commonly used in both residential and commercial applications and is often found in industrial, commercial, and institutional power distribution systems.

The 9912040003 utilizes state-of-the-art magnetic blowout technology to interrupt the power flow in the event of a fault. This is accomplished by the use of a current-sensing module, which detects any increase in current flow and opens the internal contacts of the breaker, thus breaking the circuit. The breaker also contains an indicator LED to provide status feedback on the breaker\'s status.

The 9912040003 offers a wide range of circuit protection settings, including instantaneous trip (IT), selective trip (ST), and adjustable trip (AT). IT provides immediate and total protection against current overloads; ST delays the tripping current to allow circuit loading adjustments, and AT allows adjustable settings to limit the amount of current that can flow through the circuit. All three settings can also be used with an optional external over- and under-voltage trip, which provides additional safety.

The 9912040003 is designed with an integrated ground-fault detector, which provides additional protection against ground-fault incidents. This detector monitors current levels at all times, and when it detects abnormal levels, it trips the breaker before a larger failure can occur. It also has adjustable ground-fault protection settings, allowing the user to select the best protection level for their needs.

The 9912040003 is designed to handle the most rigorous of electrical demands, offering reliable, safe, and efficient protection for any application. It is rated for a maximum of 1,000 Amps, making it a suitable choice for industrial and commercial applications. Additionally, the breaker can be cooked with an NEMA 4 enclosure, ensuring that it is suitable for use in wet or dry locations.

The 9912040003 is an ideal choice for protecting any electrical system against dangerous short circuits, overloads, and ground-fault incidents. With its adjustable settings, integrated ground-fault detector, and robust construction, it is the perfect choice for any professional or industrial application. Its reliability and safety features make it an ideal choice for any business that is looking to ensure its customers and employees are protected from electrical shocks and other hazards.

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