8345-B24A-T3K2-DB1B2B-16A

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Circuit breakers are a type of electrical switch that are designed to break the flow of electricity when the current exceeds a predetermined amount. This type of device is commonly used in residential, commercial, and industrial settings to protect against potentially harmful voltage overloads. The letter and number combination 8345-B24A-T3K2-DB1B2B-16A specifies a particular type of circuit breaker and provides information about its working principle.

Circuit breakers are designed to prevent wiring and electrical components from being damaged by overcurrents and short circuits. When an overcurrent or short circuit occurs, the circuit breaker “opens the circuit” which interrupts the flow of electricity. The letter “B” in the 8345-B24A-T3K2-DB1B2B-16A specifies that the device is a circuit breaker. The 24A digits indicate the current rating of this breaker. This indicates that it is designed to provide protection for circuits up to a maximum current of 24 amperes.

The letter “T” in the 8345-B24A-T3K2-DB1B2B-16A indicates the type of breaker. This type of breaker is known as a “thermal-magnetic” breaker. It is a combination of two different types of circuit breakers: thermal and magnetic. The thermal type is composed of a bimetallic strip that bends when heated by an excessive current flow. This causes the contacts of the circuit breaker to open the circuit. The magnetic type is composed of an electromagnet that triggers when an excessive current flow is detected, causing the contacts of the circuit breaker to open the circuit.

The DB1B2B-16A portion of the 8345-B24A-T3K2-DB1B2B-16A code indicates the type of application for which this breaker is intended. It is designed to be used in the application field known as a “motor starter”. Motor starters are used to control the starting of electric motors. They usually consist of a contactor, an overload relay, and the circuit breaker. The contactor is responsible for opening and closing the electric circuit, while the overload relay prevents the motor from running too fast, producing too much heat, and overloading the electric supply.

The working principle of a thermal-magnetic circuit breaker is simple. When an overcurrent or short circuit occurs, the bimetallic strip heats up due to the higher current flow, causing it to bend and open the contacts of the circuit breaker. The electromagnetic field created by the current flow also triggers the electromagnet in the breaker, causing it to open the circuit. The thermal-magnetic type provides the best combination of sensitivity and durability, making it a popular choice for motor starters and various other applications.

The 8345-B24A-T3K2-DB1B2B-16A code is a designation for a circuit breaker used in motor starter applications. It is a thermal-magnetic breaker rated up to 24 amperes, which is sufficient for most motor starter applications. It is designed to open the circuit and protect the wiring and electrical components in case of overcurrents, short circuits, or other potentially harmful faults. This type of breaker is a reliable and economical solution for applications that require protection from potentially damaging voltages.

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