LEL11-30672-4-V Circuit Protection

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Circuit Breakers

Circuit breakers are a core safety component in all electrical wiring systems, designed to protect wiring from overloads and short circuits. One of the most important types of circuit breakers is the LEL11-30672-4-V, which is a multi-stage, single-pole, thermal-magnetic circuit breaker with trip-free operation. This type of circuit breaker provides reliable, effective protection for medium-duty applications in most residential, commercial, and industrial wiring systems.

The LEL11-30672-4-V circuit breaker features a thermal control element and a magnetic control element, both of which act together to provide excellent and reliable protection. The thermal element is a bimetallic strip that has one side with expansion properties that differ from the other side. When current passes through this strip it causes it to flex, creating a time delay. This provides protection from long-term or sustained overloads. The magnetic element is composed of an electromagnet that is energized by current. When the current flowing through the circuit gets too high, this electromagnet creates a trip action to open the circuit breaker.

The three main applications for the LEL11-30672-4-V circuit breaker are air conditioning and heating circuits, swimming pools, and solar photovoltaic systems. Air conditioners and heaters are subject to intermittent overloads due to the typical on and off cycles encountered in these types of systems. The delayed action of the thermal element in the LEL11-30672-4-V helps to protect the system from harm when these overloads occur. Swimming pools are also subject to intermittent overloads, along with general wear and tear on the wiring, and the LEL11-30672-4-V provides excellent protection for this type of application. Solar photovoltaic systems use a lot of electricity and require reliable protection against overloads and short circuits. The combination of thermal and magnetic elements makes the LEL11-30672-4-V circuit breaker one of the best for this type of application.

The LEL11-30672-4-V circuit breaker has a wide range of features and benefits that make it one of the best circuit breakers available. It is UL rated for 10,000 Amps and easily passes UL 489 arc-fault protection tests. It is versatile enough to be used in wet locations and can provide up to four hours of full rated protection. It also has high surge-current protection and a trip-free operation feature that prevents the circuit breaker from being reset in an energized position. Finally, the LEL11-30672-4-V circuit breaker is designed to be easy to install and use, with simple wiring requirements that make it accessible to even those with basic DIY skills.

The LEL11-30672-4-V circuit breaker is a reliable, cost-effective solution for a wide range of medium-duty applications in residential, commercial, and industrial wiring systems. Its thermal-magnetic design ensures that it can handle intermittent overloads, and its UL 489 arc-fault protection rating makes it a great choice for solar PV systems. The easy installation process and low cost make it an attractive solution for those looking for reliable circuit protection.

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