True Online Double Conversion UPS for Mission-Critical Applications
The 3H15KL Industrial Online UPS delivers 15KVA/12KW of reliable power protection through true online double conversion technology. Designed for demanding environments, this three-phase input UPS ensures continuous operation for critical systems.
Key Benefits:
- Uninterrupted Power Supply: True online double conversion ensures zero transfer time
- Flexible Configuration: Adjustable battery banks and charging current
- Enhanced Reliability: Multiple protection mechanisms
- Easy Maintenance: Optional bypass for uninterrupted service
- Wide Compatibility: Works with generators and various loads
Applications:
- Data Centers: Continuous power for servers and network equipment
- Medical Facilities: Protection for sensitive medical equipment
- Industrial Systems: Reliable power for automation and control systems
- Telecommunications: Stable power for base stations and network infrastructure
Technical Parameters:
Parameter | Specification |
Model | 3H15KL |
Capacity | 15KVA / 12KW |
Input Voltage | 190-520VAC (three-phase) |
Output Voltage | 208/220/230/240VAC (±1%) |
Frequency Range | 46-54Hz (50Hz)/56-64Hz (60Hz) |
Transfer Time | 0ms (AC↔Battery/Bypass) |
Waveform | Pure Sine Wave |
Efficiency | >89% (AC mode), >86% (battery mode) |
Operating Temp | 0-40°C |
Noise Level | <58dB @ 1m |
Parallel Capability | Up to 3 units (specific models only) |
Core Features:
1. Advanced Power Protection
- True online double conversion with 0ms transfer time
- Pure sine wave output (≤2% THD for linear loads)
- Wide input voltage range: 190-520VAC (three-phase)
- Generator compatible (requires 2x UPS capacity)
2. Intelligent System Design
- MCU+DSP dual control system
- Configurable battery banks (16-20 cells)
- Adjustable charging current (1-4A default)
- Automatic restart after power recovery

3. Comprehensive Protection
- Multi-level safeguards:
- Output overload protection
- Short circuit protection
- Inverter over-temperature protection
- Battery under-voltage warning
- Over-charge protection
- Optional manual maintenance bypass
4. Flexible Monitoring Options
- LCD display for real-time status monitoring
- RS232/RS485 and USB communication ports
- Optional SNMP network monitoring card

5. Robust Construction
- Triple-protection (dust/moisture/corrosion resistant) coating
- Designed for harsh environments (tunnels, outdoor applications)
Optional Accessories:
- Output isolation transformer (factory installed)
- SNMP network monitoring card
- Extended battery modules
For more technical details or configuration assistance, please contact our power solutions team.
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