KSTAR UA240 Line-Interactive UPS 2400VA 1440W With AVR LCD Display, Fast Charging, Auto Restart, Simulated Sinewave Generator Compatible, Backup Power, Four Output Sockets , 12V / 7Ah x4 Batteries

134 $

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Expert Features

  • 2400VA / 1440W Line-Interactive Power Capacity: The UA240 delivers robust backup power designed to keep workstations, gaming PCs, servers, and sensitive electronics alive during unstable power conditions.
  • Automatic Voltage Regulation (AVR Boost & Buck): Actively stabilizes incoming voltage fluctuations without switching to battery, protecting connected devices while extending battery lifespan.
  • Simulated Sinewave Output: Provides reliable simulated sinewave power during battery mode, ensuring compatibility with PCs, networking equipment, and office electronics.
  • Ultra-Fast Transfer Time: Seamlessly switches to battery power in 2–6 ms (10 ms max), preventing system crashes or data loss during outages.
  • Cold Start Capability: Allows the UA240 to power on directly from battery without AC input—perfect for emergency startups.
  • Built-In Self-Diagnostic System: Automatically checks internal status to ensure optimal performance and early fault detection.
  • Four High-Capacity Internal Batteries: Equipped with 12V / 7Ah ×4 batteries to deliver extended runtime and dependable backup power.
  • Fast Charging Technology: Recharges up to 90% capacity within 6–8 hours, minimizing downtime between power events.
  • Auto Charging At Off Mode: Continues charging batteries even when the UPS is powered off but connected to AC input.
  • Auto Restart On AC Recovery: Automatically restarts and restores power once utility power returns—no manual intervention required.
  • Comprehensive Protection System: Integrated overload and overcharge protection safeguards both the UPS and connected equipment.
  • LCD Display Monitoring: Displays real-time system status including AC mode, battery mode, load level, battery level, input/output voltage, overload, fault, and battery low warnings.
  • Audible Alarm System: Intelligent alarm patterns clearly indicate battery mode, battery low, overload, battery replacement, or system fault conditions.
  • Modem / LAN Surge Protection: Protects network and communication lines from voltage spikes and surges.
  • Generator Compatible (Optional): Designed to operate reliably with generator input for extended backup scenarios.

 

Expert Specs

Specification Details
Model UA240
Capacity 2400VA / 1440W
UPS Type Line-Interactive
Nominal Input Voltage 220 / 230 / 240 Vac
Input Voltage Range 162 – 290 Vac
Input Frequency 50 / 60 Hz ±10%
Output Voltage (Battery Mode) Simulated Sinewave, ±10%
Output Frequency (Battery Mode) 50 Hz or 60 Hz ±1 Hz
Transfer Time Typical 2–6 ms, 10 ms Max
Battery Type 12V / 7Ah
Battery Quantity 4 Batteries
Recharge Time 6–8 Hours (90% Capacity)
Protection Overload, Overcharge
Display LCD Panel
Indicators AC Mode, Battery Mode, Load, Battery Level, Input/Output Voltage, Fault
Alarm – Battery Mode Beep Every 10 Seconds
Alarm – Battery Low Beep Every Second
Alarm – Overload Beep Every 0.5 Second
Alarm – Battery Replacement Beep Every 2 Seconds
Alarm – Fault Continuous Sound
Management Interface NONE
OS Support NONE
Operating Temperature 0°C – 40°C
Humidity 0 – 95% (Non-Condensing)
Noise Level < 40 dB @ 1 Meter
Dimensions (W×D×H) 144 × 432.5 × 207 mm
Net Weight 20 kg
Safety Standards IEC/EN 62040-1, IEC/EN 60950-1
EMC Standards IEC/EN 62040-2, IEC 61000-4 Series
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