KSTAR UDC9103S 3kVA / 2700W Online Double Conversion UPS

**1:1ph Tower Online UPS, 3kVA/2.7kW, PF0.9, 240v/50Hz, 72vdcStandard Unit with 6pcs*9ah/12v(2.5kg) batts, IEC sockets, British cable With SNMP Slot, USB port, USB cable Without SNMP card, Output cable**

Description

The KSTAR UDC9103S is a 3kVA online double-conversion Uninterruptible Power Supply (UPS) designed to deliver reliable and stable power for critical electronic equipment. It continuously converts incoming AC power to DC and back to AC, ensuring a pure sine wave output with zero transfer time during power outages or fluctuations. This advanced technology protects sensitive devices from power disturbances such as surges, spikes, voltage drops, and frequency variations.

Built for professional IT and networking environments, the UDC9103S offers high efficiency, a wide input voltage range, and intelligent battery management, allowing it to operate effectively even in unstable power conditions. The UPS also features advanced monitoring capabilities through communication ports like USB, RS232, and optional SNMP, enabling users to remotely manage and monitor the system.

With its robust tower design, reliable performance, and strong protection features, the KSTAR UDC9103S is ideal for safeguarding servers, data centers, networking equipment, and other mission-critical systems that require uninterrupted power.

KSTAR UDC9103S – Specifications

General Specifications

Model: UDC9103S
Capacity: 3000VA / 2700W
UPS Topology: Online Double-Conversion
Phase: Single Phase (1:1)
Form Factor: Tower UPS
Waveform: Pure Sine Wave

Input

Input Voltage Range: 110 – 300 VAC
Nominal Input Voltage: 220 VAC
Input Power Factor: Up to 0.99
Frequency Range: 50 / 60 Hz auto-sensing

Output

Output Voltage: 200 / 208 / 220 / 230 / 240 VAC selectable
Output Frequency: 50 / 60 Hz
Output Power Factor: 0.9 – 1.0
Transfer Time: 0 ms (no interruption)
Output Voltage Accuracy (Battery Mode): ±1%

Battery

Battery Type: Sealed Lead Acid (internal)
Battery Quantity: 6 × 12V
Battery Voltage: 72 V
Battery Capacity: 9Ah
Charging Current: Up to 12A
Backup Time: About 8 minutes (typical, depending on load)

Communication & Interface

Ports: USB, RS232
Optional: SNMP network card
Display: LCD monitoring panel

Protection Features

Overload protection
Short-circuit protection
Over-charge and deep-discharge protection
Emergency Power Off (EPO)
Generator compatibility

Environmental

Operating Temperature: 0°C – 40/45°C
Noise Level: About 50 dB

Physical

Approx. Dimensions: 470 × 191 × 366 mm
Weight: About 25 – 27 kg

These specifications make the KSTAR UDC9103S suitable for protecting servers, network equipment, data centers, CCTV systems, and other critical IT infrastructure that require stable and uninterrupted power.

KSTAR UDC9103S – Key Features

Online Double-Conversion Technology – Ensures continuous and stable power with zero transfer time, protecting sensitive equipment from power interruptions and disturbances.
Wide Input Voltage Range (110–300V) – Allows the UPS to operate reliably even in environments with unstable power supply without switching to battery frequently.
High Input Power Factor (Up to 0.99) – Improves overall power efficiency and reduces power losses in the electrical system.
Pure Sine Wave Output – Provides clean and stable power that is safe for sensitive devices such as servers, networking equipment, and medical electronics.
Intelligent Battery Management – Smart charging technology optimizes battery performance, extends battery life, and ensures reliable backup power.
ECO Mode for Energy Saving – Improves efficiency by reducing power consumption while maintaining protection for connected devices.
Multiple Communication Interfaces – Supports USB, RS232, and optional SNMP, allowing remote monitoring and management of the UPS system.
Emergency Power Off (EPO) Function – Provides an immediate shutdown capability in emergency situations to protect equipment and users.
Generator Compatibility – Works smoothly with backup generators, making it suitable for locations with frequent power outages.
Selectable Output Voltage – Supports multiple output voltage settings (200/208/220/230/240V) for flexible deployment in different environments.

These features make the KSTAR UDC9103S a reliable UPS solution for servers, data centers, telecom systems, security equipment, and other critical IT infrastructure.

KSTAR UDC9103S – Applications

Servers and Data Centers – Provides reliable and uninterrupted power to servers and storage systems, preventing data loss and system downtime.
Networking Equipment – Protects routers, switches, and firewalls from power interruptions and voltage fluctuations.
Telecommunication Systems – Ensures stable power supply for telecom infrastructure such as communication equipment and base stations.
CCTV and Security Systems – Keeps surveillance cameras, DVRs/NVRs, and security control systems running during power outages.
Medical Equipment – Suitable for protecting sensitive medical devices that require stable and continuous power.
Office IT Equipment – Supports computers, workstations, and office electronics in businesses and corporate environments.
Industrial Control Systems – Provides backup power for automation systems, control panels, and monitoring equipment.
Banking and Financial Institutions – Maintains continuous operation of transaction systems, servers, and communication networks.

Why Choose KSTAR UDC9103S UPS

Reliable Online Double-Conversion Technology
The UPS uses online double-conversion technology, which continuously converts power to deliver clean and stable electricity with zero transfer time, ensuring maximum protection for critical equipment.
High Efficiency and Power Factor
With a high input power factor of up to 0.99, the system improves energy efficiency and reduces power losses, making it suitable for demanding IT environments.
Wide Input Voltage Range
The UPS supports a 110–300V input voltage range, allowing it to operate reliably even in locations with unstable power supply without frequently switching to battery mode.
Advanced Protection for Sensitive Equipment
It protects connected devices from common power problems such as voltage fluctuations, electrical noise, surges, and outages, ensuring continuous operation of critical systems.
Smart Battery Management System
The intelligent battery charging design optimizes charging cycles, improves battery performance, and extends battery lifespan for reliable backup power.
Energy-Saving ECO Mode
ECO mode helps reduce power consumption while still maintaining protection for connected equipment.
Flexible Monitoring and Management
The UPS supports USB, RS232, and optional SNMP communication, allowing remote monitoring and management of power systems.
Generator Compatibility
The unit can work seamlessly with generators, making it ideal for environments where backup generators are used.

Overall, the KSTAR UDC9103S is a dependable power backup solution designed for servers, networking equipment, telecom systems, and other mission-critical applications that require uninterrupted and clean power.