Ziewnic 2.8KVA UPS

Ziewnic 2.8 (KVA) Hybrid Inverter Features

• Simulated Sine Wave Output (~90% Efficiency)
  Delivers stable and reliable power, suitable for household electronics and appliances.

• Built-in 60 A Solar Charge Controller (Semi-MPPT)
  Enhances solar energy harvesting and ensures efficient battery charging.

• Battery Equalization Function
  Helps balance battery cell voltages to prolong battery life and performance.
  

• Hybrid Mode Controlled with 3 Buttons
  Simplifies mode switching and system customization.
  

• Boost/Buck AVR for Voltage Regulation
  Operates within a wide voltage range (95–285 V), stabilizing inconsistent grid input.

• Reverse Polarity Protection
  Protects against damage from incorrect battery connections.
  

• Automatic Line-to-Battery Switch-Over
  Ensures seamless operation during power outages by switching to battery backup.
  

• Selectable Input Voltage Ranges
  Offers flexibility for supporting different load types or voltage conditions.
  

• Flexible Installation: Rack or Wall-Mountable
  Adapts to various indoor setups and space constraints.
  

• Overload Protection with Auto Shutdown
  Safeguards the system from damage under excessive load conditions.
  

• Auto Restart after AC Power Recovery
  Restores inverter operation automatically when power is restored.
  

• LED/LCD Display with Buzzer Alarms
  Provides real-time system feedback and audible alerts for easy monitoring.
  

• High-Efficiency DC-to-AC Conversion
  Minimizes energy loss and maximizes usable output.
  

• Intelligent 4-Stage Battery Charger
  Protects battery health by avoiding overcharging and ensuring optimal charging.
  

• Comprehensive Protections
  Includes safeguards against low battery, overcharge, overload, over-temperature, and short circuits.
  

• Conformal Coated PCB for Dust & Humidity Protection
  Enhances durability in harsh or humid environments.
  

• Cost-Effective Alternative to Generators
  Lowers operational cost compared to traditional backup solutions.
  

• Key Technical Specifications:

  • Rated Power: 2800 VA / 1820 W

  • Efficiency (Peak): 90%–93%

  • Transfer Time: 10 ms (PC) / 20 ms (Appliances)

  • Battery Voltage: 13.5 VDC (Float 24 VDC, Overcharge protect 31 V)

  • PV Input: Up to 1500 W (Semi-MPPT, 30–55 V DC, max 60 A solar + 20 A AC)

  • Selectable Input Voltage Range: 170–280 VAC (PC) / 90–280 VAC (Appliances)

  • Operating Temp: –10 °C to +50 °C