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

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