Nuclear power generation is the use of heat energy released by nuclear fission in nuclear reactors to generate electricity. It is an important way to achieve low-carbon power generation. According to data released by the International Atomic Energy Agency in January 2011, there are 442 nuclear power units in operation in the world, and nuclear power generation accounts for about 16% of the world’s total power generation.
Nuclear energy facilities demand the highest levels of safety and reliability for electrical components. Terminal blocks are used in nuclear power plants' safety-related systems (Class 1E), control systems, and monitoring systems. They must undergo rigorous quality certifications to ensure functional integrity under both normal and extreme accident conditions (e.g., earthquake, high radiation). Materials must possess extremely high resistance to radiation aging, flame retardancy, and thermal stability. Connections must be absolutely reliable, as any minor failure could have severe consequences. Furthermore, the design and documentation of the blocks must meet strict traceability requirements, ensuring quality control throughout their entire lifecycle and providing a solid foundation for nuclear safety.
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