Description
DAXIN ENERGY EX3C3 40kVA Three-Phase Online UPS
The DAXIN ENERGY EX3C3 40kVA three-phase online UPS is designed for industrial,
commercial, telecom, data center and critical power backup applications. With true
online double-conversion technology, high input power factor, wide AC input voltage
range and intelligent monitoring options, it provides stable, clean and reliable
power protection for sensitive equipment and mission-critical loads.
Key Advantages
- True online double-conversion UPS topology for stable output voltage and frequency.
- Pure sine wave output protects servers, industrial equipment, telecom systems and precision devices.
- Wide AC input voltage range reduces unnecessary battery discharge in unstable grid environments.
- Advanced PFC technology delivers high input power factor and reduces grid pollution.
- Compatible with generator input; recommended generator capacity is 2 times the UPS capacity.
- Zero transfer time ensures continuous power protection during grid failure or voltage fluctuation.
- Manual maintenance bypass supports easier servicing without interrupting load power.
- RS232, RS485 and optional SNMP enable remote UPS monitoring and intelligent power management.
Protection and Reliability
The EX3C3 40kVA UPS integrates overload protection, short-circuit protection,
inverter over-temperature protection, low battery warning and battery overcharge
protection. These protection functions help improve system stability, reduce
downtime risk and ensure reliable operation in demanding power environments.
Typical Applications
- Data centers and server rooms
- Telecom base stations and communication rooms
- Industrial automation and manufacturing equipment
- Commercial buildings and facility backup power
- Security systems, control rooms and critical infrastructure
Technical Specifications
| Model | EX3C3-40kVA |
|---|---|
| Capacity | 40kVA / 40kW |
| UPS Topology | True online double-conversion UPS |
| Input Phase | Three-phase + neutral |
| Input Voltage Range | 110 VAC (Ph-N) ±3% at 50% load; 176 VAC (Ph-N) ±3% at 100% load |
| High Input Voltage Transfer | 300 VAC (L-N) ±3% at 50% load; 276 VAC (L-N) ±3% at 100% load |
| Input Frequency Range | 45Hz-55Hz at 50Hz system; 56Hz-65Hz at 60Hz system |
| Input Power Factor | ≥ 0.99 at 100% load |
| Output Voltage | 3 × 360 / 380 / 400 / 415 VAC, phase-to-phase |
| AC Voltage Regulation | ±0.3% |
| Output Frequency Range | 46Hz-54Hz or 56Hz-64Hz in synchronized mode |
| Battery Mode Frequency | 50Hz ±0.1Hz or 60Hz ±0.1Hz |
| Current Crest Ratio | 3:1 max |
| Output THD | ≤1% THD with linear load; ≤2% THD with nonlinear load |
| Transfer Time | 0 ms |
| Overload Capability | 100%-110%: 60 min; 110%-125%: 10 min; 125%-150%: 1 min; >150%: immediate protection |
| Efficiency | >96.5% in AC mode; >96.5% in battery mode |
| Battery Configuration | 32-40 batteries, adjustable according to project requirements |
| Dimensions | 815 × 300 × 1000 mm |
| Net Weight | 59 kg |
| Operating Temperature | 0°C-40°C |
| Relative Humidity | <95%, non-condensing |
| Operating Altitude | <1000 m |
| Communication Interface | RS232 / USB; optional SNMP for remote power management |
FAQ
What is the EX3C3 40kVA online UPS used for?
It is used for data centers, telecom systems, industrial equipment, commercial facilities
and other critical loads that require stable three-phase backup power.
Does the EX3C3 40kVA UPS support generator input?
Yes. The UPS is compatible with generator input. For stable operation, the generator
capacity is recommended to be at least 2 times the UPS capacity.
Can the UPS be monitored remotely?
Yes. The UPS supports RS232, RS485 and optional SNMP network monitoring for remote
operation, alarm notification and power management.
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