molded case breaker

简明释义

装置式断路器

英英释义

例句

1.We installed a new molded case breaker in the main distribution panel for better safety.

我们在主配电盘中安装了一个新的模塑壳断路器以提高安全性。

2.The molded case breaker can be reset manually after a trip.

在跳闸后，可以手动重置模塑壳断路器。

3.The technician replaced the faulty molded case breaker with a new one to restore power.

技术人员用一个新的模塑壳断路器替换了故障的设备，以恢复电力。

4.In case of overload, the molded case breaker will trip and prevent damage to the circuit.

如果出现过载，模塑壳断路器将跳闸以防止电路损坏。

5.Always ensure that the molded case breaker is properly rated for your electrical system.

确保模塑壳断路器的额定值适合您的电气系统。

作文

In the realm of electrical engineering and safety, understanding various components is crucial for both professionals and enthusiasts. One such important component is the molded case breaker, which plays a significant role in protecting electrical circuits from overloads and short circuits. This device is designed to automatically interrupt the flow of electricity when it detects an unsafe condition, thereby preventing potential hazards such as fires or equipment damage. The molded case breaker consists of a molded plastic case that houses the internal mechanisms, including the trip unit and the circuit contacts. Its robust design allows it to withstand harsh environmental conditions, making it suitable for various applications ranging from residential buildings to industrial facilities.The functionality of a molded case breaker can be compared to that of a fuse, but with several advantages. Unlike fuses, which need to be replaced after they blow, a molded case breaker can be reset once the fault has been cleared. This feature not only saves time but also reduces maintenance costs, making it a preferred choice in many installations. Additionally, the adjustable trip settings allow users to customize the protection level according to their specific needs, providing enhanced flexibility and efficiency.When selecting a molded case breaker, it is essential to consider factors such as the current rating, voltage rating, and the specific application requirements. For instance, a breaker used in a commercial setting may need a higher current rating compared to one used in a residential environment. Furthermore, understanding the different types of trip mechanisms, such as thermal and magnetic trips, can aid in making an informed decision. Thermal trips respond to prolonged overload conditions, while magnetic trips act quickly during short circuits, ensuring comprehensive protection for electrical systems.Installation of a molded case breaker should always be performed by qualified personnel to ensure compliance with local electrical codes and standards. Proper installation not only guarantees optimal performance but also enhances the safety of the entire electrical system. Regular maintenance checks are also recommended to ensure that the breaker functions correctly over time. This includes testing the trip mechanism and inspecting for any signs of wear or damage.In conclusion, the molded case breaker is an indispensable component in modern electrical systems, providing essential protection against overloads and short circuits. Its reliability, ease of use, and adaptability make it a favored choice among electricians and engineers alike. By understanding its functions and characteristics, individuals can better appreciate the importance of this device in safeguarding electrical installations. As technology continues to advance, the design and functionality of molded case breakers will likely evolve, further enhancing their role in electrical safety and efficiency.

在电气工程和安全领域，理解各种组件对专业人士和爱好者至关重要。其中一个重要组件是模塑壳断路器，它在保护电气电路免受过载和短路方面发挥着重要作用。该设备旨在自动中断电流，当它检测到不安全的情况时，从而防止潜在的危险，例如火灾或设备损坏。模塑壳断路器由一个模塑塑料外壳组成，内部机制包括跳闸单元和电路接触点。其坚固的设计使其能够承受恶劣的环境条件，使其适合于从住宅建筑到工业设施的各种应用。模塑壳断路器的功能可以与保险丝进行比较，但具有多个优点。与在熔断后需要更换的保险丝不同，模塑壳断路器在故障清除后可以重置。这一特点不仅节省了时间，还减少了维护成本，使其成为许多安装中的首选。此外，可调跳闸设置允许用户根据特定需求自定义保护级别，从而提供增强的灵活性和效率。选择模塑壳断路器时，必须考虑电流额定值、电压额定值和具体应用要求等因素。例如，商业环境中使用的断路器可能需要比住宅环境中使用的更高的电流额定值。此外，了解不同类型的跳闸机制（如热跳闸和磁跳闸）可以帮助做出明智的决定。热跳闸响应于长时间的过载情况，而磁跳闸在短路期间迅速动作，确保电气系统的全面保护。模塑壳断路器的安装应始终由合格人员进行，以确保符合当地电气规范和标准。正确的安装不仅保证最佳性能，还增强整个电气系统的安全性。还建议定期进行维护检查，以确保断路器随时间正常工作。这包括测试跳闸机制和检查是否有任何磨损或损坏的迹象。总之，模塑壳断路器是现代电气系统中不可或缺的组件，为过载和短路提供必要的保护。其可靠性、易用性和适应性使其成为电工和工程师的首选。通过理解其功能和特性，个人可以更好地欣赏这一设备在保护电气安装中的重要性。随着技术的不断进步，模塑壳断路器的设计和功能可能会进一步发展，从而增强其在电气安全和效率中的作用。