PM 890 series UPS is an intelligent 3 phase in 3 phase out the uninterruptible power supply, it adopts double transform high-frequency PWM and high-performance digital control technique (DSP), with perfect protection, super network management function, reasonable man-machine interface, and a series of precision design, meets all high-reliability requirements of uninterruptible power supply and integrates reliable, safety, maintainability characteristics of a new generation low-frequency UPS. The Pure Sine Wave Interactive Outdoor Uninterruptible Power Supply (UPS) has been meticulously engineered to cater to the exigencies of outdoor communication equipment, networking apparatus, and traffic control systems, thereby finding its utility in urban corners, rural expanses, and mountainous terrains alike. This UPS is endowed with attributes such as exceptional heat endurance, frost resilience, corrosion resistance, dust abatement, and waterproofing. Distinguished by its advanced features encompassing a broad spectrum of input voltage and frequency, exceptional dependability, energy efficiency, environmental consciousness, surge protection, remote operational capability, and remote monitoring, our UPS ensures steadfast power provisioning to communication, networking, and traffic control infrastructure. Consequently, it emerges as an indispensable facilitator in the seamless operation of these critical outdoor systems. Features: -100% unbalanced load capability > Superior protection - Online double-conversion with full DSP control - Standard emergency power off (EPO) - Optional N+X redundancy parallel up to 6 units - Support battery cold start and auto-restart when mains power is restored - Output power factor 0.9 - High MTBF (> 200,000 h) - IGBT inverter with output isolation transformer - Standard RS232, RS485, dry contacts communication port - Optional input filter to improve input power factor - Frontaccessmakes maintenance and replace�­ ment simplified (60 - 120 kVA) - Generator-compatible Low MTTR (< 0.5 h) - ECO mode operation for energy-saving - Optional SNMP communication port - 5.7 inches LCD touch screen, friendly human & machine interface - Intelligent self-diagnosing function, all kinds of failure protection, large capability of history records storage