4410.9020 Circuit Protection

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Circuit breakers are electrical devices that provide an additional layer of protection in an electrical circuit, preventing extra current from flowing in the event of an overload or short circuit. The 4410.9020 circuit breaker, manufactured by Square D, is one of the most popular circuit breakers, designed for residential and light commercial use. It is designed for single and three phase applications, with ratings of 10, 15, 20, 25 and 30 amperes.

The 4410.9020 circuit breaker features a thermal magnetic trip unit which provides both overload protection and short circuit protection. The thermal magnetic trip unit functions by sensing excessive current flow, and automatically trip when it reaches a certain level. The trip unit is designed with thermal-magnetic technology, so that when an over current condition occurs, the heat of the over current causes the trip unit to react in a faster manner than in a thermal-only device.

The 4410.9020 circuit breaker is constructed with a UL 489 rated molded case to protect the internals. The case design provides a material barrier between the live parts and other components, providing a degree of protection from direct contact with the live components. The clear cover, a feature that allows the user to see if the circuit breaker has tripped at a glance, reduces the risk of accidents, and ensures that the circuit breaker cannot be accidentally reset.

The 4410.9020 circuit breaker is also designed for ease of installation. The circuit breaker features a lightweight, compact design and fast-acting trip mechanism that allows it to be easily installed in low-level cabinet enclosures. The breaker is also designed with a compact footprint and low height, which allows installation in locations that may be inaccessible to other circuit breakers. The breaker is also compatible with all standard mounting hardware.

In addition, the 4410.9020 circuit breaker has a number of features designed to increase safety and reliability. The breaker includes an alarm trip indicator, which sounds an audible alarm when the current flow trips the breaker. This eliminates the need to visually inspect the breaker, increasing safety. The breaker also features a reset button, allowing the breaker to be reset in the event of a short circuit. Finally, the breaker is UL 1077 listed, meaning that it has been tested and certified for use in hazardous locations.

The 4410.9020 circuit breaker is an invaluable safety device that provides reliable protection from over currents and short circuits. The breaker\'s thermal magnetic trip unit provides fast acting protection, while its clear cover eliminates the risk of accidents. Its UL 489 rating ensures reliable performance in a hazardous location, and its alarm trip indicator and reset button provide an extra layer of protection. The 4410.9020 circuit breaker is the perfect choice for residential and light commercial applications.

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