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This 3000VA On-Line UPS for 19" rack is designed to deliver high-level double-conversion electrical protection for IT infrastructures, data centres and mission-critical systems that require a continuous, stable and fully isolated power supply. Its rack/tower convertible design allows versatile installation in standard 19" racks or tower configurations.
Thanks to on-line double conversion technology, this 3000VA on-line UPS provides constant, high-quality power by completely eliminating micro interruptions, voltage spikes, fluctuations, harmonic distortion and mains disturbances. The pure sine wave output ensures full compatibility with servers, storage systems, network equipment, sensitive electronics and critical loads.
This 19" rack on-line UPS features advanced digital control and a 1.0 output power factor, allowing 100% utilisation of available active power. Its wide input voltage range significantly reduces battery usage, improves energy efficiency and extends overall battery lifespan.
The system includes ECO mode for energy optimisation, cold start, compatibility with generators and a hot-swappable battery system, enabling battery replacement without interrupting the operation of connected equipment. The intelligent charger ensures efficient battery charging and optimal backup availability.
The 3000VA On-Line Rack UPS is equipped with a rotatable multifunction LCD display, providing detailed real-time information on system status, load level, battery condition, voltage, frequency and remaining backup time. It also includes an RS232 communication interface and optional SNMP card for remote monitoring and management in professional environments.
Due to its high power, reliability and availability, this on-line UPS for 19" rack is ideal for data centres, IT infrastructures, critical servers, communication racks and professional applications requiring maximum power continuity and electrical security.
| Model | KURTON RT 3k S |
| Capacity | 3000 VA / 3000 W |
| Topology | On-Line double conversion |
| Nominal input voltage | 208 / 220 / 230 / 240 Vac |
| Input voltage range | 110 ~ 300 Vac (176 ~ 264 Vac at 100% load) |
| Input power factor | ≥ 0.99 |
| Bypass frequency range | 40 ~ 70 Hz (50/60 Hz auto-sensing) |
| Nominal output voltage | 208 / 220 / 230 / 240 Vac |
| Output voltage regulation | ±1% |
| Output power factor | 1.0 |
| Output frequency | 50/60 Hz ±0.1% |
| Crest factor | 3:1 |
| Total harmonic distortion (THDv) | ≤3% linear load; ≤5% non-linear load |
| Transfer time | 0 ms (AC to battery); 4 ms (inverter to bypass) |
| Waveform | Pure sine wave |
| Efficiency (AC mode) | Up to 95% |
| Efficiency (ECO mode) | Up to 89% |
| Battery type | VRLA sealed lead-acid, maintenance-free |
| Battery voltage | 96 Vdc |
| Battery capacity | 7 Ah / 9 Ah |
| Maximum charging current | Up to 12 A |
| Typical backup time | 10 minutes at 50–70% load |
| Display | Rotatable colour LCD |
| Communication | RS232 (optional SNMP card) |
| Operating temperature | 0 ~ 40 °C |
| Storage temperature | -25 ~ 55 °C |
| Humidity | 20 ~ 95% RH (non-condensing) |
| Noise level | <55 dB |
| Form factor | Rack / Tower convertible (19") |
| Dimensions (W x D x H) | 440 × 600 × 86.5 mm |
| Weight | 27 kg |
