Key Features of Single Phase Transformer Less UPS 1:1
High reliability configuration
Double conversion online design, clean sine wave sources, frequency tracking, phase-locked, voltage regulation, low distortion, no power fluctuation interference, bypass mode available, built-in manual maintenance bypass switch, auto mode-switching by interlocks, unattended operation, cold start function.

Office environment design
Compact body design for office use, no noise operation, easy to lift.

N+X parallel redundancy
Unbalanced-rating paralleling technology, up to 8 paralleled units, auto load-sharing, flexible configuration & updating.

Wide input range
Input voltage range up to 20%, low battery mode switching frequency, long battery life, 45Hz ~ 65Hz auto sensing , high compatibility with local generators.

Digital Control
High speed DSP control units, intelligent battery management technology, auto battery floating charge switching, I/O voltage settings available through control panel.

Stable Operation
Stable & continuous power supply available under extreme grid conditions, SPWM technology, 6th generation IGBT module, optional Isolation Transformer, phase-loss resistance.

Comprehensive Protection
Output overload & short-circuit protection, battery fault & under-voltage protection, battery over-charging protection, inverter over-temperature protection, auto bypass mode switching, self-diagnosis function, remote EPO function.

User-friendly Communication
Optional LED / LCD display, status & statistics of operation display, optional RS232 / RS485 interface, external SNMP adapter, remote monitoring & management available.

Technical Specifications(single phase transformer less UPS 1:1):