EX 3C3 120K Online UPS System - Enterprise-Grade Power Protection for Critical Applications
In the competitive business landscape, a stable power supply is the linchpin for seamless operations. Our High - Frequency Online UPS EX 3C3 10 - 200kVA series, especially the EX 3C3 120K model, is engineered to meet the most demanding power protection needs of modern businesses.
Key Functions for Uninterrupted Operations:
- Comprehensive Protection: Our high - frequency online UPS EX 3C3 series offers multiple layers of protection, including voltage protection, power - off protection, equipment protection, overload protection, over - charge protection, interference protection, short - circuit protection, and surge protection. This safeguards your valuable business equipment from various power - related risks.
- Interface Management: The UPS is equipped with an LCD liquid - crystal display. It can record the UPS working status, parameter information, etc. in real - time. This intuitive display facilitates easy management of the UPS, allowing you to stay informed about its operation at all times.
LCD Display:

- High Environmental Adaptability: The circuit board is placed in a completely enclosed space and treated with "three - proofing" coating. This design makes the UPS highly suitable for harsh environments such as tunnels and industrial sites, ensuring reliable performance regardless of the surroundings.
- Network Monitoring: Through RS232/RS485 communication interfaces and SNMP network adapters, and in combination with UPS intelligent monitoring software, the UPS can communicate with computers. All kinds of parameters are clearly displayed on the communication interface, enabling remote monitoring and efficient management of the UPS system.
Distinctive Product Features:
- True Double Conversion Technology: Ensures a continuous and stable power supply by converting incoming AC power to DC and then back to AC, providing clean and reliable power for your critical loads.
- High - Reliability Design: Built with robust components and advanced engineering, the high - frequency online UPS EX 3C3 120KVA offers exceptional reliability, reducing the risk of power - related disruptions to your business.
- DSP - Based High - Performance: Utilizes Digital Signal Processing (DSP) technology to guarantee high - performance operation, precise control, and efficient power management.
- Full - Phase Active Power Factor Correction: Achieves a high power factor, optimizing power usage and reducing energy consumption, which is beneficial for both your business's bottom line and the environment.
- Energy - Saving ECO Mode: Allows for power - efficient operation during normal power conditions, further reducing energy costs while still providing reliable backup power when needed.
- Emergency Power - Off (EPO) Function: Enables quick shutdown of the UPS in case of emergencies, protecting your equipment and personnel.
- Generator Compatibility: Can work seamlessly with generators, ensuring a stable power supply during extended outages when relying on backup generators.
- Dual - Path AC Input: Provides redundancy with dual AC input paths, enhancing the reliability of power supply to your critical equipment.
- Parallel Operation of Multiple Modules: Up to 6 units can be paralleled, and shared batteries can be used, allowing for flexible capacity expansion and increased system reliability.
- 3 - Stage Charging Design: Optimizes battery performance and extends battery life through a three - stage charging process.
- Adjustable Battery Quantity: The number of batteries can be adjusted according to your specific requirements, providing flexibility in configuring the UPS system.
- Standard Maintenance Bypass: Facilitates easy maintenance and servicing of the UPS without interrupting the power supply to connected loads.
- Optional Isolation Transformer: An isolation transformer can be added optionally to further enhance power quality and protection against electrical noise and surges.
Invest in our High - Frequency Online UPS EX 3C3 120KVA model and experience unparalleled power protection and reliability for your business. Contact us today to learn more about how this high - frequency UPS can be customized to meet your specific power needs and ensure the smooth running of your operations.
Technical Parameters:
EX 3C3 120KVA UPS Specifications at a Glance
Category | Parameter | Specification |
Input | Voltage Range | 110-300VAC (L-N) ±3% |
| Frequency Range | 46-54Hz (50Hz)/56-64Hz (60Hz) |
Output | Voltage Stability | ±1% |
| Transfer Time | 0ms (AC↔Battery) |
Efficiency | Online Mode | >96.5% |
| Battery Mode | >94.5% |
Battery | Configuration | 12-40 cells (adjustable) |
| Charge Current | 3-5A±10% (default 3A) |
Perspective drawing View:

Back View:

Ideal Applications:
Data centers, healthcare facilities, industrial automation, and financial institutions requiring 99.999% uptime.
Why Choose This Online UPS?
- 96.5% operational efficiency reduces energy costs
- Scalable battery configuration for extended runtime
- Enterprise-grade monitoring for proactive maintenance
Note: All specifications comply with international UPS standards including IEC 62040.


