Nuclear power plant, intermediate relay JZS-7/246B DC220V board front wiring JOSEF Joseph

Description :

　　The intermediate relay JZS-7/246B is a high-performance power control device that plays an important role in the power system. The following is a detailed analysis of the JZS-7/246B intermediate relay:

　　Firstly, JZS-7/246B is a static energy storage delay intermediate relay. It adopts digital circuit technology, which can control the disconnection or action of intermediate relays according to user settings, thereby achieving delay function. This design enables JZS-7/246B to perform time control according to actual needs in complex power systems.

　　Secondly, JZS-7/246B has multiple excellent characteristics. It is moisture-proof and dustproof, and can work stably in harsh environments without interruption, thus having high reliability. At the same time, there will be light and power indicators after the relay is activated, making it convenient for users to monitor the status. In addition, it has a large contact capacity, low contact resistance, and can withstand large current loads. The long-term allowable current for the contacts to be connected is 5A.

　　In terms of delay characteristics, JZS-7/246B offers multiple delay range options, including Class 1 delay (15mS~3S), Class 2 delay (15mS~5S), and Class 3 delay (15mS~10S). Users can choose the appropriate delay range according to their actual needs to meet different circuit control requirements.

　　In addition, JZS-7/246B also has excellent electrical and mechanical lifespan. Its insulation withstand voltage is high, mechanical life is long, and the contact can reach more than 3 million times without load. This ensures that the relay can maintain stable performance during long-term use.

　　In terms of environmental adaptability, the working environment temperature range of JZS-7/246B is 20 ℃± 2 ℃, the relative humidity range is 45% to 75% (not greater than 90%), and it can adapt to altitudes not exceeding 2500 meters. This enables it to work stably in a wide range of geographical and climatic conditions.

　　， JZS-7/246B intermediate relay is widely used in fields such as new energy, metallurgical steel rolling, urban construction and transportation, nuclear power plants, petrochemicals, mining factories, etc. Its excellent performance and stable reliability make it an indispensable power control device in these fields.

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　　Joseph Electric insists on the path of productization, continuously improving product quality and service level, innovating product technology, providing users with safe, reliable, stable and efficient products, and safeguarding safe electricity use.

　　Shanghai Joseph is a production enterprise engaged in the research and development, design, production, sales, and service of power system relay protection and power automation. Its products include power comprehensive automation systems, microcomputer comprehensive protection devices, multifunctional power instruments, intermediate relays, overvoltage protectors, etc. It is committed to providing a complete set of system level integrated solutions and supporting services from low voltage to high voltage, from hardware to software for domestic and foreign customers in the transmission and distribution, water conservancy, urban construction, energy, mining, chemical, and environmental protection industries.

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