1-20kVA Low Frequency Online UPS Power Supply with Isolation Transformer Inside

1-20kVA Low Frequency Online UPS Power Supply with Isolation Transformer Inside. Double Conversion On-line UPS: Real double conversion on-line high-performance power frequency sine wave UPS for industrial environments. Wide Input Voltage Range: Accepts input voltage from 165V to 275V with frequency range of 45Hz to 66Hz. Zero Transfer Time: 0ms transfer time ensures continuous power supply without interruption during switching. Optional SNMP & USB Communication: RS232 standard port with optional SNMP, USB, and dry contact for network monitoring. External Battery Support: Supports external battery packs for extended backup time beyond the standard 10 minutes. High Reliability Design: Features IGBT inverter, output isolation transformer, and intelligent multi-mode battery management. Sine Wave Output: Pure sine wave output with THD less than 3% and power factor of 0.8/0.9. Comprehensive Protection: Includes over-voltage, under-voltage, overload, short circuit, and over-temperature protection.