20-300kVA PRM Plus Modular UPS 20kVA and 30kVA module, 380/400/415VAC, 3:3 EverExceed PRM Plus Modular UPS is a hot-swappable, highly scalable, online dual-conversion UPS, making it ideal for modern data centers. The series adopts advanced IGBT three level conversion, dual DSP control technology, N+X parallel redundancy with high ease of use and reliability. Advanced technology for guaranteed best performance which is researched and developed in UK. When users want to add loads to the UPS, only adding required number of modules can be done for expansion that allows users to achieve dynamic growth with business development. It saves customer's costs for initial equipment purchasing and future expansion.