400kVA Modular Industrial UPS Uninterruptible Power Supply with 3 Phases 380V

400kVA Modular Industrial UPS Uninterruptible Power Supply with 3 Phases 380V. Modular N+X Redundancy: Flexible capacity expansion from 50kVA to 600kVA with N+X parallel redundancy technology. High Efficiency 96%: Achieves 96% efficiency with ECO mode operation for significant energy savings. Zero Transfer Time: 0ms transfer time between utility, battery, and bypass modes ensures uninterrupted power. Wide Input Voltage Range: Supports 138-485Vac input range and generator access for stable operation in harsh environments. Cold Start Capability: Enables startup using battery power even when the utility power is off. Compact High Density: High power density with a compact size of 440mm*620mm*3U for space-saving installation. Advanced Communication: Supports RS485, SNMP, USB, and relay cards for remote monitoring and network management. OEM/ODM Service: Provides free OEM service and ODM service for long-term bulk orders.