nobreak 20kva ups systems manufacturer

High-efficiency 20kVA 3-Phase Online Double Conversion Nobreak UPS. Designed for mission-critical reliability, featuring DSP digital control, ultra-wide input voltage range, and zero transfer time. Perfect for data centers, medical facilities, and industrial automation. Includes integrated battery support for immediate power continuity.

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As a premier Nobreak 20kVA UPS systems manufacturer, we deliver high-performance
power protection designed for mission-critical infrastructure. Our 20kVA 3-phase systems are
engineered with True Online Double Conversion technology, ensuring your sensitive equipment is
completely isolated from power line irregularities with zero transfer time.

Key Performance Features

  • DSP Digital Control: Advanced Digital Signal Processing (DSP) provides superior stability and precise output voltage regulation for sensitive electronics.
  • 3-Phase Industrial Robustness: Configured for 3P/4W+G with an ultra-wide input voltage range (207V to 475Vac), making it ideal for regions with unstable power grids.
  • Zero Transfer Time: True online double conversion ensures 0ms switching between utility and battery, preventing data loss or system resets.
  • High Efficiency & Power Factor: Features a high input power factor (≥0.99) and efficiency over 90%, significantly reducing operational costs and heat dissipation.
  • Cold Start Capability: Flexibility to start the UPS directly from the battery bank even when utility power is unavailable.

Reliability for Critical Applications

This 20kVA system is specifically tailored for data centers, medical facilities, and industrial automation.
With a built-in 192Vdc battery management system and intelligent protection against overloads and phase
sequence errors, it represents the gold standard in business continuity.

Technical Specifications Summary

模型 NB-10L-H NB-15L-H NB-20L-H NB-30L-H
容量 10KVA/8KW 15KVA/12KW 20KVA/16KW 30KVA/21KW
阶段 Three-Phase Input / Single-Phase Output
Input Parameters
输入电压范围 Phase Voltage: 110~300VAC; Line Voltage: 190~520VAC
Rated Input Voltage 3 x 380/400/415 VAC (3Ph + N)
频率范围 44~56Hz @50Hz / 54Hz~66Hz @60Hz
功率因数 0.99 @100% Load
Output Parameters
输出电压 220VAC
Voltage Precision (Battery) ± 1%
输出功率因数 0.8 0.7
Transfer Time (Mains to Bat) 0ms
Efficiency (Mains Mode) ≥ 95.5%
Efficiency (ECO Mode) ≥ 98.5%
Battery Configuration
电池电压 12伏
Number of Units (Long-run) 16-20 units (Default: 16) 32 units
充电电流 1-12A (Default: 5A)
Physical & Environment
Dimensions (D*W*H) mm 534 * 190 * 338
Weight (KG) 17 17.2 17.4 18.9
工作温度 0 ~ 40° C
噪音水平 < 60dB @ 1 Meter
Management Smart RS-232/USB; Optional SNMP card, Optional EPO

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