KSTAR MP3kS Online UPS 3000VA / 2700W WPure Sinewave Double Conversion With LCD Status Display, Wide Input 110–300Vac , RS232-USB-EPO-2x RJ45 & 3 Output Sockets, 6 Acid Batteries 9Ah / 12V
255 $
Categories: High-Capacity UPS, Kstar, UPS & Battery Backup
Expert Features
- 3000VA / 2700W Online Power Muscle: Delivers true online double-conversion output, ensuring zero-compromise power continuity for servers, workstations, and mission-critical systems.
- Pure Sinewave Output: Generates clean, utility-grade sinewave power for sensitive electronics, active PFC power supplies, and precision hardware.
- Wide Input Voltage Tolerance: Operates reliably across an extended 110–300Vac input range, minimizing battery usage in unstable power environments.
- High Input Power Factor (0.99): Active PFC design maximizes efficiency, reduces input current loss, and plays nicely with generators.
- Selectable Output Voltage: Supports 208V, 220V, 230V, and 240Vac output configurations to match diverse deployment requirements.
- Advanced Battery Architecture: Utilizes a high-voltage DC bus with six internal 12V batteries (standard unit) for stable energy delivery and efficient conversion.
- Smart Charging System: Optimized charger design extends battery lifespan and supports fast recharge cycles.
- Expandable Charging Current: Charging current can be expanded up to 12A on long-run configurations for extended backup scenarios.
- ECO Mode Operation: Improves efficiency during stable mains conditions without sacrificing protection.
- Cold Start Capability: Allows the UPS to power on directly from battery when utility power is unavailable.
- Generator Compatible Design: Engineered to operate smoothly with generator power sources.
- Intelligent Fan Speed Control: Dynamically adjusts cooling based on load and temperature to reduce noise and improve longevity.
- Versatile LCD Interface: High-visibility LCD provides real-time system status, electrical parameters, and alarm indicators.
- Comprehensive Protection Suite: Protects against short-circuit, overload, overheat, battery overcharge, battery over-discharge, output undervoltage, and fan faults.


Expert Specs
| Specification | Details |
|---|---|
| Series | KSTAR MEMOPOWER-Ⅲ |
| Model | MP 3k S |
| Topology | Online Double Conversion |
| Capacity | 3000VA / 2700W |
| Input Voltage Range | 110–300Vac |
| Nominal Input Voltage | 208 / 220 / 230 / 240Vac |
| Input Frequency Range | 40–70Hz (50/60Hz Auto-Sensing) |
| Input Power Factor | ≥0.99 |
| Output Voltage | 208 / 220 / 230 / 240Vac |
| Output Voltage Regulation | ±1% |
| Output Frequency (Line Mode) | 46–54Hz or 56–64Hz |
| Output Frequency (Battery Mode) | 50/60Hz ±0.1Hz |
| Output Waveform | Pure Sinewave |
| Transfer Time (AC to Battery) | 0ms |
| Transfer Time (Inverter to Bypass) | 4ms (Typical) |
| AC Mode Efficiency | 91% |
| Battery Mode Efficiency | 88% |
| Battery Type | 12V / 9Ah (Standard Unit) |
| Battery Quantity | 6 |
| Charging Voltage | 72Vdc ±1% |
| Typical Recharge Time | 4 Hours (to 90% capacity) |
| Display | LCD |
| Indicators | Line Mode, Battery Mode, ECO Mode, Bypass Mode, Load, Battery Voltage, Fault |
| Alarm Modes | Battery Mode, Battery Low, Overload, Fault |
| Noise Level | <50dB (at 1 meter) |
| Operating Temperature | 0°C – 40°C |
| Storage Temperature | -25°C – 55°C |
| Humidity | 20–95% RH (Non-Condensing) |
| Dimensions (W×D×H) | 191 × 460 × 337 mm |
| Net Weight | 24.5 kg |
| Output Sockets | 3 Power Sockets |
| Safety Standards | IEC/EN 62040-1, IEC/EN 62477-1 |
| EMC Standards | IEC/EN 62040-2, IEC 61000 Series |
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