LEL11-36157-20-V Circuit Protection

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Circuit breakers are electrical safety devices designed to protect circuits and equipment from overloading or fault conditions. The LEL11-36157-20-V is a thermal magnetic circuit breaker manufactured by Edco Electric. This device is capable of protecting power distribution circuits in commercial, industrial, and residential applications.

Applications

The LEL11-36157-20-V circuit breaker is designed for commercial, industrial, and residential applications. It can be used in larger electrical systems with high currents, multi-pole electrical distribution, and line/load protection. This device is rated for a voltage of 120/240V AC, with a current rating of 20/15A for resistive, 12/10A for motor, and 10A for general-purpose applications. It is also UL 1077 Supplemental Protection Rated for short circuit and overload protection in single phase branch circuits.

This device can be employed in a variety of solutions, such as panelboards, meter sockets, switchboards, combination starter assemblies, lighting panelboards, transfer switchboards, and much more. It is suitable for use in a variety of electrical systems, such as high-rise buildings, office buildings, hotels, hospitals, and institutions with a single-phase capability.

Working Principle

The LEL11-36157-20-V circuit breaker operates with a thermal-magnetic technology. This means it combines both current-sensing thermal elements and melting-alloy magnets to quickly and safely detect and break a circuit when it senses excessive current or overload. This helps protect the circuit and equipment from damage due to overcurrent and short circuit conditions.

The thermal element contains a silicone-filled calibrated capsule that is two-piece aluminum construction. When the current surpasses the preset current trip level, it causes the thermal element to heat up, creating a differential pressure to quickly trip the circuit breaker open. This helps to interrupt the current immediately and reduce the likelihood of damage or fire due to overloading.

The melting-alloy magnets also help protect the circuit from short circuit conditions. The alloy consists of small metal pieces formed into a metal wire coil. When excessive current runs through the coil, it generates an electromagnetic field that causes the metal pieces to melt, opening the circuit breaker.

The thermal element and the melting-alloy magnets work together to detect and open the circuit breaker in the event of a problem in the circuits. This helps to prevent damage due to current overloads or short circuit conditions in electrical systems.

Advantages

The LEL11-36157-20-V circuit breaker has several advantages compared to other circuit breaker types. It is able to detect both overload and short-circuit conditions quickly and efficiently, thus preventing damage to the equipment. It also ensures compliance with the UL 1077 Supplemental Protection rating for single phase branch circuits. This device can also be used in a wide range of applications and circuits, making it a versatile and reliable option.

This circuit breaker also offers an adjustable tripping current range, allowing it to be used in different types of circuits with varying levels of current. It is also very easy to install and is designed for long-term durability, so it will last for many years with minimal servicing. Additionally, this device does not require any external source of energy such as a battery, which helps to reduce costs.

Conclusion

The LEL11-36157-20-V circuit breaker is an excellent choice for commercial, industrial, and residential applications. It is designed with a thermal-magnetic technology that is able to quickly detect and disconnect circuits in the event of overcurrent or short-circuit conditions. This device also offers an adjustable tripping current range, allowing it to be used in many different applications. Additionally, it is easy to install, is designed for durability, and does not require an external source of energy.

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