The 1-3kVA digital UPS is engineered to provide uninterrupted power protection specifically for IT infrastructure, telecommunications, and industrial control systems requiring high reliability. Targeted at data centers, network cabinets, and sensitive electronic equipment, this solution safeguards operations from outages and voltage anomalies. The rack mount pure sine wave UPS format offers adaptable deployment options, supporting both rack and tower configurations, thus accommodating varied equipment layouts and workspace limitations. Users benefit from robust emergency power-off (EPO) integration, enabling compliance with stringent safety protocols in commercial and industrial facilities.
Employing an digital double-conversion topology, this 1-3kVA digital UPS guarantees zero transfer time between mains and battery operation, delivering a pure sine wave output with ±1% voltage regulation accuracy. The advanced DSP digital controller combined with high-frequency PWM inverter technology maintains distortion-free power, providing protection against surges, sags, and harmonic interference. It supports hot-swappable internal batteries, complemented by expandable external battery cabinets for extended runtime. Multifunctional monitoring is facilitated via USB, RS232, and optional SNMP intelligent cards. The rack mount pure sine wave UPS form factor measures 2U height, balancing compactness with sufficient internal battery capacity, meeting the expectations of demanding power continuity applications.
This product serves critical roles within sectors such as financial services, healthcare, telecommunication, and industrial automation. It ensures continuous operation for server farms, diagnostic equipment, and security monitoring devices. As a double conversion UPS manufacturer, the design supports generator compatibility and meets IEC standards including IEC62040-1 and EMC directives, relevant to regulated environments. By integrating this rack mount pure sine wave UPS within operational workflows, businesses enhance system uptime, reduce data loss risk, and maintain compliance with international power protection benchmarks, thus delivering a reliable backbone for mission-critical systems.
Structurally, this 1-3kVA digital UPS excels with its rack tower convertible chassis, which supports both traditional rack-mounted installations and flexible tower deployments. This modular design facilitates space optimization in data centers and network closets. As a double conversion UPS manufacturer, the product incorporates advanced DSP digital control systems, ensuring refined power management tailored to diverse load demands. Integrated hot-swappable batteries reduce maintenance downtime, and the intelligent card slot accommodates various communication protocols, enhancing adaptability to different monitoring platforms. The combination of compact footprint and expandability makes it suitable for evolving power infrastructures needing both scalability and standardized hardware.
From a performance standpoint, the 1-3kVA digital UPS offers consistent, pure sine wave power output that prevents equipment malfunctions and extends device lifecycles. The 0 ms transfer time guarantees zero interruption during power transitions, critical for sensitive electronics. User operability is enhanced with a clear LCD interface providing real-time status and alarms, while remote management capabilities via optional SNMP cards allow centralized system control. This rack mount pure sine wave UPS design also features comprehensive protections against overload, short circuits, and phase loss. The system promotes reliability and reduces operational risks, thereby maximizing return on investment for infrastructure owners.
The S9‑RT series (S9‑01RT / S9‑02RT / S9‑03RT) is commercial‑grade online double‑conversion uninterruptible power supply. Adopting DSP digital control and high‑frequency PWM inverter technology, this rack‑tower convertible UPS provides clean, distortion‑free pure sine‑wave AC power for mission‑critical equipment. It prevents hardware damage and data loss caused by blackouts, voltage sags, surges and grid noise.
The UPS supports dual installation modes: standard 19‑inch 2U rack‑mount or vertical tower placement. Standard units are equipped with maintenance‑free internal lead‑acid batteries with hot‑swap capability. An external battery connector is reserved for connecting additional battery cabinets to extend backup time. A microprocessor‑driven control system monitors input, output, battery and load status in real‑time, providing comprehensive protection including overload, over‑temperature, short‑circuit, over‑voltage, under‑voltage and phase‑loss alarm. It also provides multi‑functional interfaces: USB, RS232, optional SNMP/Modbus/relay intelligent card slot, EPO emergency power‑off and ROO remote power on/off terminals.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | S9‑01RT / S9‑02RT / S9‑03RT |
| Rated Capacity | 1kVA/1kW, 2kVA/2kW, 3kVA/3kW |
| Topology | Online Double‑Conversion UPS |
| Phase | Single‑phase Input / Single‑phase Output |
| Input Voltage | 90‑300VAC |
| Input Frequency | 40‑70Hz |
| Input Power Factor | ≥0.99 |
| Output Voltage | 208 / 220 / 230 / 240VAC (selectable) |
| Output Frequency | 50Hz / 60Hz |
| Voltage Regulation Accuracy | ±1% |
| Output Waveform | Pure Sine Wave |
| Transfer Time (Mains ↔ Battery) | 0 ms |
| Efficiency (AC‑AC) | 92% / 93.5% /93.5% |
| Overload Capacity | 1min@105%‑125% rated load; 10sec@131%‑150% rated load; 0.2sec＞150% rated load |
| Battery Voltage | 36VDC(S9‑01RT);72VDC(S9‑02RT / S9‑03RT) |
| Standard Built‑in Battery | S9‑01RT:12V7AH×3; S9‑02RT:12V7AH×6; S9‑03RT:12V9AH×6 |
| Half‑load Backup Time | >10min(1kVA);>6min(2kVA);>6min(3kVA) |
| Communication Interface | USB, RS232, EPO, ROO, intelligent card slot (SNMP / Modbus / dry‑contact relay optional) |
| Form Factor | 2U Rack‑Tower Convertible |
| Dimension(W×H×L mm) | S9‑01RT:440×88×457 S9‑02RT:440×88×588 S9‑03RT:440×88×588 |
| Net Weight | S9‑01RT:15.8kg; S9‑02RT:25.3kg; S9‑03RT:28.8kg |
| Noise Level | ＜55dB @1 meter |
| Operating Temperature | -10℃ ~ +40℃ |
| Operating Humidity | 0‑97%, non‑condensing |
| Altitude | ≤1000m no derating; max 3000m with power derating |
| Control System | DSP Digital Control + LCD Human‑Machine Interface |
| Control Mode | Local panel setting; PC software monitoring; optional network remote monitoring |
| Protection | Over‑voltage, under‑voltage, overload, over‑temperature, short‑circuit, battery protection, phase loss alarm |
| Standards | IEC62040‑1, IEC61000‑4 series EMC standard |
The S9‑RT series rack‑tower online UPS is built for commercial and industrial environments requiring continuous clean backup power.
‑ Small & medium server racks and network cabinets ‑ Medical diagnostic and monitoring instruments ‑ Telecommunication transmission equipment ‑ Financial payment terminals, POS and ATM devices ‑ Education laboratory precision instruments ‑ Security surveillance & access‑control systems ‑ Office critical IT workstation equipment ‑ Industrial automation control hardware
This UPS is especially recommended for equipment where unexpected power failure or grid disturbance may trigger data corruption, production interruption or hardware damage.
The S9‑RT online UPS integrates three core technical modules:
1. Online Double‑Conversion Power Conditioning Mains AC power is rectified into DC power, then inverted back to stable pure sine‑wave AC output. It continuously cleans grid interference regardless of input fluctuation.
2. DC‑AC Battery Inverter Backup Once mains power fails or goes outside acceptable range, the battery bank supplies DC power to the inverter with zero transfer time to sustain power for connected loads.
3. DSP Intelligent Microcomputer Control Digital DSP processor real‑time samples input voltage, output voltage, battery status and load level. It manages mode switching, battery charging, fault judgment and multi‑level protection automatically.
Compared with separate rack‑only or tower‑only UPS units: ‑ Two installation forms within one unit (Rack‑Tower convertible) ‑ Save cabinet space or floor‑standing deployment without extra purchase ‑ 0ms true online double‑conversion power protection ‑ Hot‑swap built‑in battery for non‑stop battery replacement ‑ Support external battery expansion for customized backup runtime ‑ Rich standard interfaces plus optional network remote monitoring card ‑ Intuitive LCD panel for local configuration, self‑test and fault reading ‑ Comprehensive multi‑layer electrical safety protection ‑ Compatible with generator input for off‑grid backup scenarios
Our power product implements strict quality management through the whole production workflow. ‑ Core electronic components and battery cells are sourced from qualified certified suppliers. ‑ 100% full‑function testing before shipment. ‑ Full‑load aging test for each finished unit. ‑ Batch sampling inspection for electrical performance and safety standards. ‑ Export‑grade wooden case packaging for overseas sea and air transportation.
Different countries and project sites may require special power configuration. We can provide customized solutions according to project requirements, including: ‑ Special backup runtime with matched external battery cabinet ‑ Custom charging current setting ‑ Special output voltage/frequency requirement ‑ Custom communication function and dry‑contact signal definition ‑ Special environmental adaption for high‑temperature or high‑altitude site
Q1: What are the available models and rated power of S9‑RT series?
A1: Standard models: S9‑01RT(1kVA/1kW), S9‑02RT(2kVA/2kW), S9‑03RT(3kVA/3kW). Single‑phase input single‑phase output online UPS.
Q2: Can I extend the backup runtime?
A2: Yes. Each S9‑RT unit reserves external battery connector. Up to 4 matched external battery boxes can be connected. Please ensure external battery DC voltage matches the UPS rated battery voltage.
Q3: Can I replace batteries without shutting down UPS output?
A3: Yes, standard built‑in‑battery models support hot‑swap battery replacement. Note: load loses battery backup protection during battery‑swap process.
Q4: How can I realize remote network monitoring?
A4: Standard unit comes with USB and RS232 for local monitoring software. You need to purchase optional SNMP intelligent card to realize LAN network remote monitoring.
Q5: Is this UPS compatible with generator power source?
A5: Yes, wide input voltage & frequency range supports generator input. We recommend generator capacity at least 2 times UPS rated capacity for stable operation.
Q6: What protection functions are built‑in?
A6: It includes over‑voltage, under‑voltage, overload, over‑temperature, short‑circuit, battery over‑charge / over‑discharge protection and phase‑loss alarm. EPO emergency power‑off and ROO remote on‑off interfaces are reserved.
Q7: What is typical battery service life?
A7: Under 15‑25℃ operating ambient, sealed lead‑acid battery typical service life is 3‑5 years. Charge every 3‑4 months for long‑term storage without mains connection.
Q8: Can parameters be modified locally?
A8: Yes, enter setting menu via front‑panel LCD under bypass/stand‑by mode, adjust output voltage, frequency, ECO mode, EPO/ROO trigger logic, charge current and other parameters. Setting takes effect after complete power cycle restart.
Q9: What installation options are available for this UPS?
A9: Our 1-3kVA digital UPS features a rack-tower convertible design, allowing flexible installation in server racks or as floor-standing units. This flexibility helps optimize your workspace while providing stable power protection. The versatile form factor suits diverse setups for industrial and commercial use.
Q10: Can you customize UPS communication interfaces for integration?
A10: Yes, our UPS units come standard with USB and RS232 ports. Additionally, we offer optional SNMP and Modbus intelligent communication cards to enable remote network monitoring and management, ensuring seamless integration with your existing IT infrastructure and control systems.
Q11: How does your double conversion UPS maintain power quality?
A11: The double conversion UPS manufacturer topology provides continuous pure sine wave output with 0 ms transfer time, effectively isolating connected devices from power grid disturbances. Advanced DSP digital control and high-frequency PWM inverter technology ensure stable, distortion-free, and precise voltage regulation at ±1%.
Q12: Do you support extended backup runtimes with external batteries?
A12: Yes, our UPS supports connecting up to four external battery cabinets to extend the backup time. The external batteries must match the rated voltage of the internal batteries to maintain system reliability. This feature is crucial for critical environments requiring longer autonomy periods powered by our 1-3kVA digital UPS solutions.
