Emergency power supply equipment that ensures power supply during power outages and disasters at manufacturing plants and facilities. Includes UPS (Uninterruptible Power Supply), emergency generators, battery storage systems, and inverter devices. Designed to prevent losses from production line shutdowns, protect control systems, and maintain continuous operation of safety equipment, supporting everything from instantaneous switching to long-term operation. Covers a wide range from legally required equipment under fire prevention laws to voluntary equipment for BCP measures. Distinguished from general household UPS and portable power sources, specialized in industrial-use large-capacity, high-reliability power equipment.