KSTAR UDC9101S-RT UPS 1kVA / 900W Online Double Conversion Rack Mount UPS

About the Product

KSTAR UDC9101S-RT UPS – 1kVA / 900W Online Double-Conversion UPS designed to provide continuous and reliable power protection for critical IT equipment.
Pure sine wave output ensures safe and stable power for servers, networking devices, and sensitive electronics.
Online double-conversion technology delivers zero transfer time and protects equipment from outages, spikes, and voltage fluctuations.
Rack-mountable 2U design allows easy installation in server racks and network cabinets, saving valuable space.
Wide input voltage range enables the UPS to operate efficiently even in unstable power environments.
Multiple communication interfaces (USB, RS-232, optional SNMP) for remote monitoring and management.
Intelligent battery management system helps extend battery life and ensures reliable backup power during outages.
Ideal for servers, data centers, CCTV systems, networking equipment, and office IT infrastructure.

Description
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**1000VA Online Double Conversion UPS Tower type, PF0.9, LCD display, 24Vdc Inbuilt 2*9Ah battery, IEC sockets, BS plug**

Description

The KSTAR UDC9101S‑RT UPS is a high-performance 1kVA (1000VA / 900W) online double-conversion uninterruptible power supply designed to deliver reliable and clean power protection for critical IT and networking equipment. By continuously converting incoming AC power to DC and back to AC, the UPS ensures a stable pure sine-wave output that protects connected devices from power outages, voltage fluctuations, surges, and electrical noise.

This UPS is built with a rack-mountable 2U design, making it ideal for installation in server racks, network cabinets, and data center environments where space efficiency and reliable power backup are essential. The unit also features a wide input voltage range, allowing it to operate efficiently even in unstable power conditions without frequently switching to battery mode.

The KSTAR UDC9101S-RT includes advanced monitoring and communication options such as USB, RS-232, and an optional SNMP card slot, enabling remote management and real-time monitoring of the UPS. Its intelligent battery management system helps extend battery life while ensuring reliable backup during power interruptions.

With high efficiency, strong protection features, and professional rack-mount capability, the KSTAR UDC9101S-RT is a dependable power solution for servers, networking devices, security systems, and other mission-critical equipment that require continuous and stable power.

Specifications of the KSTAR UDC9101S‑RT UPS

Capacity: 1000VA / 900W
UPS Type: Online Double Conversion
Phase: Single-phase
Input Voltage Range: 110 – 300 VAC
Nominal Voltage: 200 / 208 / 220 / 230 / 240 VAC selectable
Input Power Factor: 0.99
Output Power Factor: up to 1.0
Output Waveform: Pure Sine Wave
Frequency: 50 / 60 Hz

Battery

Battery Type: Sealed Lead-Acid
Battery Configuration: 2 × 12V / 9Ah batteries
Charging Time: Approximately 6–8 hours

Output & Connectivity

Output Sockets: 8 × IEC C13
Communication Ports:
- USB
- RS-232
- RJ45 (2 ports)
- EPO (Emergency Power Off)
- Optional SNMP slot

Physical Specifications

Form Factor: Rack-mountable (2U)
Dimensions (W × D × H): 440 × 305 × 86.5 mm
Weight: Approximately 11.3 kg
Operating Temperature: 0°C – 40°C
Humidity: 0 – 95% (non-condensing)

Protection Features

Overload protection
Overcharge and deep-discharge protection
Short-circuit protection
Data line surge protection (RJ45)

These specifications make the KSTAR UDC9101S-RT suitable for servers, network equipment, storage systems, and small data centers that require continuous and stable power backup.

Key Features of the KSTAR UDC9101S‑RT UPS

1. Online Double-Conversion Technology
The UPS continuously converts incoming AC power to DC and back to AC, ensuring a clean and stable power supply while protecting connected equipment from power interruptions, voltage fluctuations, and electrical noise.

2. High Power Capacity (1000VA / 900W)
With a 1kVA capacity and high output power factor, the UPS can support critical IT equipment such as servers, networking devices, and storage systems without compromising performance.

3. Pure Sine Wave Output
The UPS delivers a pure sine-wave output that is safe for sensitive electronic devices like servers, routers, and communication equipment, ensuring reliable operation and longer equipment lifespan.

4. Wide Input Voltage Range
The unit operates within a wide input voltage range, allowing it to handle unstable power conditions without frequently switching to battery mode, which helps extend battery life.

5. Rack-Mountable 2U Design
Its compact 2U rack-mount form factor allows easy installation in standard server racks, making it ideal for data centers, server rooms, and network cabinets where space efficiency is important.

6. Intelligent Battery Management
The UPS includes a smart battery management system that optimizes battery charging and performance, helping extend battery life while ensuring reliable backup power during outages.

7. Multiple Communication Interfaces
Equipped with USB, RS-232, and an optional SNMP slot, the UPS allows users to monitor and manage the power system remotely for improved control and system reliability.

8. LCD Display for Easy Monitoring
A built-in LCD display provides real-time information such as input/output voltage, load level, battery status, and system alerts, allowing users to quickly monitor UPS performance.

Applications of the KSTAR UDC9101S-RT UPS

1. Server Rooms
The UPS provides reliable backup power and clean energy for servers, preventing data loss and system shutdowns during power outages.

2. Network Infrastructure
It protects networking equipment such as routers, switches, and firewalls, ensuring continuous connectivity and stable network performance.

3. CCTV and Security Systems
The UPS keeps surveillance cameras, DVRs, and security control systems running during power interruptions, maintaining uninterrupted monitoring and security.

4. Data Centers and IT Cabinets
With its rack-mountable design, the UPS is suitable for installation in server racks and IT cabinets where stable and continuous power is required for critical systems.

5. Office IT Equipment
It provides backup power for office equipment such as workstations, small servers, and communication systems to prevent work disruption during power failures.

6. Telecommunications Equipment
The UPS supports telecom devices and communication infrastructure by ensuring uninterrupted power for voice and data transmission systems.

Why Choose the KSTAR UDC9101S-RT UPS

1. Maximum Power Protection
The UPS uses online double-conversion technology, which continuously conditions the power supply and provides zero transfer time during outages, ensuring connected equipment receives stable and uninterrupted power.

2. Reliable Protection for Critical Equipment
It protects servers, networking devices, and IT systems from power surges, voltage spikes, and sudden outages, reducing the risk of equipment damage and data loss.

3. High Efficiency and Energy Saving
The UPS includes an ECO mode and high power-conversion efficiency, helping reduce energy consumption while maintaining reliable backup power.

4. Compact Rack-Mount Design
Its 2U rack-mountable form factor allows easy installation in server racks or network cabinets, making it ideal for professional IT environments where space efficiency is important.

5. Advanced Monitoring and Communication
With USB, RS-232, and optional SNMP communication ports, the UPS allows remote monitoring and management of power systems for improved operational control.

6. Smart Battery Management
The UPS uses intelligent charging technology to optimize battery performance and extend battery life, ensuring dependable backup during power failures.

7. Wide Input Voltage Range
The UPS can operate within a wide voltage range, allowing it to work efficiently even in unstable power environments without frequently switching to battery mode.

8. Multiple Device Support
With several output sockets, the UPS can support multiple devices simultaneously, making it suitable for small data centers, server rooms, and office IT systems.

These advantages make the KSTAR UDC9101S-RT a reliable and efficient power backup solution for business, IT infrastructure, and mission-critical applications.