Class 1E KYN44A-12 indoor armored center-mounted AC metal-enclosed switchgear is a novel medium voltage switchgear developed by Tianan Electric according to the environmental conditions of nuclear power plants that meets the requirements of nuclear power plants 1E. The product fully meets the requirements of IEEE323, IEEE344, HAF003, IEC298, GB3906 and other standards, and is mainly used for nuclear power plant operations to perform emergency shutdown, core cooling, containment and reactor heat dissipation, or prevent obvious leakage of radioactive materials or support functions.
• Rated current 3150A, short-circuit breaking current 50kA;
• The main switch is equipped with VEP solid-sealed pole circuit breaker or VEC vacuum contactor-fuse combination electric appliance;
• The product can be installed against the wall and repaired in front of the cabinet, reducing the floor space;
• Passed 1E level (nuclear level) seismic test
• Pass 1E level (nuclear level) anti-aging test
• Sufficient cable installation space