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HR Series Online High Frequency UPS Modular UPS 10-640KVA Introduction: HR series Multi-system,energy-saving green modular UPS is set in today's most advanced technological application of the results, with the most advanced cutting-edge technology, innovative concept of excellence focused global power development, to promote technological progress in the field of UPS power and the birth of high-end products, modular UPS series products in the domestic market are high-volume