Expert Features 1000VA / 900W Online Double Conversion Power: The MP 1k S delivers true online double-conversion protection, isolating connected equipment from all power disturbances for mission-critical reliability. High Power Density Design: Compact architecture packs enterprise-grade performance into a space-efficient chassis suitable for offices, labs, and network racks. Wide Input Voltage Range (110–300Vac): Handles unstable and harsh power environments without switching to battery, extending battery lifespan and improving uptime. Active PFC With 0.90 Input Power Factor: Maximizes power efficiency while reducing energy waste and stress on upstream electrical infrastructure. Pure Sinewave Output: Supplies clean, utility-grade sinewave power, ensuring full compatibility with sensitive electronics and modern power supplies. Selectable Output Voltage: Supports 208 / 220 / 230 / 240Vac output, allowing seamless integration into diverse electrical environments. Zero Transfer Time Protection: Provides uninterrupted power with 0ms transfer time from AC to battery, eliminating any risk of load interruption. ECO Mode Operation: Energy-saving mode improves efficiency during stable power conditions without sacrificing protection. Smart Charger Design: Optimized charging algorithm enhances battery performance, reliability, and service life. Cold Start Capability: Enables the UPS to start directly from battery power when utility power is unavailable. Generator Compatible: Designed to operate reliably with generator input for extended backup scenarios. Intelligent Fan Speed Regulation: Automatically adjusts cooling based on load and temperature to reduce noise and improve longevity. Emergency Power Off (EPO): Allows immediate shutdown in emergency situations for enhanced safety. Versatile LCD Interface: Clear human-machine interface provides real-time monitoring and easy configuration. Advanced Protection Suite: Built-in safeguards against short-circuit, overload, overheat, battery overcharge, battery over-discharge, output low voltage, and fan failure. Multiple Communication Options: Integrated RS-232 with optional USB, EPO, relay card, or SNMP card support for advanced monitoring and management. Dual Output Sockets: Equipped with two power sockets for connecting essential devices. Expert Specs Specification Details Series KSTAR MEMOPOWER-Ⅲ Model MP 1k S UPS Topology Online Double Conversion Capacity 1000VA / 900W Input Voltage 208 / 220 / 230 / 240 Vac Input Voltage Range 110 – 300 Vac Input Frequency Range 40 – 70 Hz (50/60Hz Auto-Sensing) Input Power Factor ≥ 0.90 Output Voltage 208 / 220 / 230 / 240 Vac Voltage Regulation ±1% Output Frequency (Line Mode) 46–54Hz or 56–64Hz Output Frequency (Battery Mode) 50/60Hz ±0.1Hz Output Waveform Pure Sinewave Crest Factor 3:1 Harmonic Distortion (THDv) ≤3% (Linear Load), ≤5% (Non-Linear Load) Transfer Time (AC to Battery) 0 ms Inverter to Bypass 4 ms (Typical) Efficiency (AC Mode) 88% Efficiency (Battery Mode) 85% Battery Quantity 2 Battery Capacity 9Ah / 12V Typical Recharge Time 4 Hours (to 90% Capacity) Charging Voltage 41.1Vdc ±1% Charging Current (Max.) 1A Output Sockets 2 Display LCD LED Indicators Line Mode, Battery Mode, ECO Mode, Bypass Mode, Battery Low, Overload, UPS Fault Alarm – Battery Mode Beeping Every 4 Seconds Alarm – Battery Low Beeping Every Second Alarm – Overload Beeping Twice Every Second Alarm – Fault Continuous Beeping Communication Interface RS-232 (USB / EPO / Relay / SNMP Optional) Operating Temperature 0°C – 40°C Storage Temperature -25°C – 55°C Humidity 20–95% RH @ 0–40°C (Non-Condensing) Noise Level < 50 dB @ 1 Meter Dimensions (W×D×H) 144 × 399 × 209 mm Net Weight 9.3 kg Safety Standards IEC/EN 62040-1, IEC/EN 62477-1 EMC Standards IEC 61000-4-2 /-3 /-4 /-5 /-6 /-8 /-11 /-2-2
