Transformer Based UPS

Shengweiups’s transformer based UPS delivers the highest level of power protection through a robust, industrial-grade architecture. It uses an SCR-driven rectifier for stable and efficient power conversion, an IGBT-based inverter for fast switching and clean output, and an isolation transformer at the output stage to provide complete electrical separation between the utility source and the load.
This design not only enhances reliability and fault tolerance but also offers superior protection against surges, noise, harmonics, and short-circuit conditions. With its strong overload capability and excellent immunity to harsh electrical environments, a transformer-based UPS ensures that critical loads receive clean, stable, and fully isolated power at all times.

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Table of Contents

3:3 Phase Series

SWD33-10KVA

Input Phase : 3L+N+G
Input Voltage : 380/400/415VAC or Customized
Input Frequency Range : 50/60Hz±5Hz Automatic Discrimination
Output Phase : 3 L+N+G
Output Voltage : 380/400/415VAC or Customized
Power Factor : 0.8/0.9
Conversion time : 0 ms
Battery Voltage : 384VDC

SWD33-15KVA

Input Phase : 3L+N+G
Input Voltage : 380/400/415VAC or Customized
Input Frequency Range : 50/60Hz±5Hz Automatic Discrimination
Output Phase : 3 L+N+G
Output Voltage : 380/400/415VAC or Customized
Power Factor : 0.8/0.9
Conversion time : 0 ms
Battery Voltage : 384VDC

SWD33-20KVA

Input Phase : 3L+N+G
Input Voltage : 380/400/415VAC or Customized
Input Frequency Range : 50/60Hz±5Hz Automatic Discrimination
Output Phase : 3 L+N+G
Output Voltage : 380/400/415VAC or Customized
Power Factor : 0.8/0.9
Conversion time : 0 ms
Battery Voltage : 384VDC

SWD33-30KVA

Input Phase : 3L+N+G
Input Voltage : 380/400/415VAC or Customized
Input Frequency Range : 50/60Hz±5Hz Automatic Discrimination
Output Phase : 3 L+N+G
Output Voltage : 380/400/415VAC or Customized
Power Factor : 0.8/0.9
Conversion time : 0 ms
Battery Voltage : 384VDC

SWD33-40KVA

Input Phase : 3L+N+G
Input Voltage : 380/400/415VAC or Customized
Input Frequency Range : 50/60Hz±5Hz Automatic Discrimination
Output Phase : 3 L+N+G
Output Voltage : 380/400/415VAC or Customized
Power Factor : 0.8/0.9
Conversion time : 0 ms
Battery Voltage : 384VDC

SWD33-60KVA

Input Phase : 3L+N+G
Input Voltage : 380/400/415VAC or Customized
Input Frequency Range : 50/60Hz±5Hz Automatic Discrimination
Output Phase : 3 L+N+G
Output Voltage : 380/400/415VAC or Customized
Power Factor : 0.8/0.9
Conversion time : 0 ms
Battery Voltage : 384VDC

SWD33-80KVA

Input Phase : 3L+N+G
Input Voltage : 380/400/415VAC or Customized
Input Frequency Range : 50/60Hz±5Hz Automatic Discrimination
Output Phase : 3 L+N+G
Output Voltage : 380/400/415VAC or Customized
Power Factor : 0.8/0.9
Conversion time : 0 ms
Battery Voltage : 384VDC

SWD33-100KVA

Input Phase : 3L+N+G
Input Voltage : 380/400/415VAC or Customized
Input Frequency Range : 50/60Hz±5Hz Automatic Discrimination
Output Phase : 3 L+N+G
Output Voltage : 380/400/415VAC or Customized
Power Factor : 0.8/0.9
Conversion time : 0 ms
Battery Voltage : 384VDC

SWD33-120KVA

Input Phase : 3L+N+G
Input Voltage : 380/400/415VAC or Customized
Input Frequency Range : 50/60Hz±5Hz Automatic Discrimination
Output Phase : 3 L+N+G
Output Voltage : 380/400/415VAC or Customized
Power Factor : 0.8/0.9
Conversion time : 0 ms
Battery Voltage : 384VDC

SWD33-160KVA

Input Phase : 3L+N+G
Input Voltage : 380/400/415VAC or Customized
Input Frequency Range : 50/60Hz±5Hz Automatic Discrimination
Output Phase : 3 L+N+G
Output Voltage : 380/400/415VAC or Customized
Power Factor : 0.8/0.9
Conversion time : 0 ms
Battery Voltage : 384VDC

SWD33-200KVA

Input Phase : 3L+N+G
Input Voltage : 380/400/415VAC or Customized
Input Frequency Range : 50/60Hz±5Hz Automatic Discrimination
Output Phase : 3 L+N+G
Output Voltage : 380/400/415VAC or Customized
Power Factor : 0.8/0.9
Conversion time : 0 ms
Battery Voltage : 384VDC

SWD33-250KVA

Input Phase : 3L+N+G
Input Voltage : 380/400/415VAC or Customized
Input Frequency Range : 50/60Hz±5Hz Automatic Discrimination
Output Phase : 3 L+N+G
Output Voltage : 380/400/415VAC or Customized
Power Factor : 0.8/0.9
Conversion time : 0 ms
Battery Voltage : 384VDC

SWD33-300KVA

Input Phase : 3L+N+G
Input Voltage : 380/400/415VAC or Customized
Input Frequency Range : 50/60Hz±5Hz Automatic Discrimination
Output Phase : 3 L+N+G
Output Voltage : 380/400/415VAC or Customized
Power Factor : 0.8/0.9
Conversion time : 0 ms
Battery Voltage : 384VDC

SWD33-400KVA

Input Phase : 3L+N+G
Input Voltage : 380/400/415VAC or Customized
Input Frequency Range : 50/60Hz±5Hz Automatic Discrimination
Output Phase : 3 L+N+G
Output Voltage : 380/400/415VAC or Customized
Power Factor : 0.8/0.9
Conversion time : 0 ms
Battery Voltage : 480VDC

SWD33-500KVA

Input Phase : 3L+N+G
Input Voltage : 380/400/415VAC or Customized
Input Frequency Range : 50/60Hz±5Hz Automatic Discrimination
Output Phase : 3 L+N+G
Output Voltage : 380/400/415VAC or Customized
Power Factor : 0.8/0.9
Conversion time : 0 ms
Battery Voltage : 480VDC

SWD33-600KVA

Input Phase : 3L+N+G
Input Voltage : 380/400/415VAC or Customized
Input Frequency Range : 50/60Hz±5Hz Automatic Discrimination
Output Phase : 3 L+N+G
Output Voltage : 380/400/415VAC or Customized
Power Factor : 0.8/0.9
Conversion time : 0 ms
Battery Voltage : 480VDC

SWD33-800KVA

Input Phase : 3L+N+G
Input Voltage : 380/400/415VAC or Customized
Input Frequency Range : 50/60Hz±5Hz Automatic Discrimination
Output Phase : 3 L+N+G
Output Voltage : 380/400/415VAC or Customized
Power Factor : 0.8/0.9
Conversion time : 0 ms
Battery Voltage : 768VDC

3:1 Phase Series

SWD31-10KVA

Input Phase : 3L+N+G
Input Voltage : 380/400/415VAC or Customized
Input Frequency Range : 50/60Hz±5Hz Automatic Discrimination
Output Phase : 1 L+N
Output Voltage : 220/230VAC or Customized
Power Factor : 0.8/0.9
Conversion time : 0 ms
Battery Voltage : 192VDC

SWD31-15KVA

Input Phase : 3L+N+G
Input Voltage : 380/400/415VAC or Customized
Input Frequency Range : 50/60Hz±5Hz Automatic Discrimination
Output Phase : 1 L+N
Output Voltage : 220/230VAC or Customized
Power Factor : 0.8/0.9
Conversion time : 0 ms
Battery Voltage : 192VDC

SWD31-20KVA

Input Phase : 3L+N+G
Input Voltage : 380/400/415VAC or Customized
Input Frequency Range : 50/60Hz±5Hz Automatic Discrimination
Output Phase : 1 L+N
Output Voltage : 220/230VAC or Customized
Power Factor : 0.8/0.9
Conversion time : 0 ms
Battery Voltage : 192VDC

SWD31-30KVA

Input Phase : 3L+N+G
Input Voltage : 380/400/415VAC or Customized
Input Frequency Range : 50/60Hz±5Hz Automatic Discrimination
Output Phase : 1 L+N
Output Voltage : 220/230VAC or Customized
Power Factor : 0.8/0.9
Conversion time : 0 ms
Battery Voltage : 192VDC

SWD31-40KVA

Input Phase : 3L+N+G
Input Voltage : 380/400/415VAC or Customized
Input Frequency Range : 50/60Hz±5Hz Automatic Discrimination
Output Phase : 1 L+N
Output Voltage : 220/230VAC or Customized
Power Factor : 0.8/0.9
Conversion time : 0 ms
Battery Voltage : 192VDC

SWD31-60KVA

Input Phase : 3L+N+G
Input Voltage : 380/400/415VAC or Customized
Input Frequency Range : 50/60Hz±5Hz Automatic Discrimination
Output Phase : 1 L+N
Output Voltage : 220/230VAC or Customized
Power Factor : 0.8/0.9
Conversion time : 0 ms
Battery Voltage : 192VDC