LELBXK11-1REC4-38444-70-V Circuit Protection

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Circuit breakers are important electrical components that provide overload protection for electrical systems. They are designed to automatically detect and disconnect an electrical circuit when it exceeds the rated current. The LELBXK11-1REC4-38444-70-V is a circuit breaker that is designed for industrial applications. In this article, we will discuss its application field and working principle.

Application Field

LELBXK11-1REC4-38444-70-V is a three-pole, direct-acting circuit breaker that is designed for industrial applications. It has a variety of features that make it well suited for industrial environments. For example, it has an adjustable thermal-magnetic trip unit that is adjustable between 0 – 14 amperes. It also has a 100kA interrupt capacity rating and a high short-circuit current rating. Additionally, it has a flame-retardant casing and a strong construction that make it suitable for harsh industrial conditions.

The LELBXK11-1REC4-38444-70-V has an operating voltage of 690 volts. This makes it suitable for a variety of applications including utility networks, industrial buildings, and manufacturing equipment. It is also designed to meet the needs of remote areas and can be used to provide power to large industrial sites.

Working Principle

The working principle of the LELBXK11-1REC4-38444-70-V circuit breaker is based on ampere interrupting capacity. When a fault occurs, a current flows through the circuit breaker, causing a rise in temperature. This rise in temperature activates the thermal trip mechanism, which triggers the circuit breaker to open and disconnect the circuit. The magnetic trip mechanism is activated when the current flow becomes too high. The magnetic trip mechanism triggers the circuit breaker to open and disconnect the circuit. When the current flow returns to its normal level, the circuit breaker can be reset and the circuit reconnected.

The LELBXK11-1REC4-38444-70-V circuit breaker is also designed with safety features to ensure that it is reliable. For example, it has a current limiting feature that prevents the current from exceeding the rated interrupting capacity. Additionally, it has an audible alarm that is activated when the circuit breaker is tripped, providing a warning to personnel that the circuit has been disconnected. This helps to prevent the occurrence of electrical shocks and other dangers.

In summary, the LELBXK11-1REC4-38444-70-V is a three-pole direct-acting circuit breaker that is suitable for a variety of industrial applications. It has an adjustable thermal-magnetic trip unit, a 100kA interrupt capacity rating, and a flame-retardant casing. Its working principle is based on ampere interrupting capacity and it has safety features to ensure reliability. It is designed to meet the needs of remote areas and can be used to provide power to large industrial sites.

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