Product Overview
Borna Electronics Industrial Battery Chargers (DC UPS) have been manufactured since 1996 and are widely used in oil & gas, petrochemical, mining, steel, and power generation industries. The latest generation incorporates a thyristor rectifier and an advanced booster stage to achieve a power factor of up to 0.98 and input current THD below 5% in accordance with IEEE-519.
Key Features
- Available with single-phase or three-phase input
- Available in 6-pulse and booster-equipped versions
- Output current up to 1000 A
- Constant Voltage (CV) and Constant Current (CC) operating modes
- Initial, Float, Boost, and Automatic charging modes
- Suitable for Lead-Acid, Ni-Cd, and Lithium batteries
- Heavy-duty industrial design
Functions & Capabilities
- Isolation transformer
- Microcontroller-controlled full-wave thyristor rectifier
- Current limiting unit
- HMI touch panel or LCD Mimic Diagram interface
- Timed Boost charging mode
- Input overvoltage and undervoltage protection
- Reverse battery connection protection
- Leakage current protection
- Temperature-compensated charging voltage
- RS-485 communication
- Alarm and fault display
- Storage of more than 400 fault records
- Dropper unit or optional DC/DC module
- EMI filters on input and battery circuits

Technical Specifications
| Parameter | Specification |
| Standards | DIN 41773, NEMA PE 5-1997 (R2003), IPS-M-EL-174(2) |
| Output Voltage | 24VDC, 48VDC, 110VDC, 220VDC |
| Power Factor | 0.98 |
| Efficiency | 94% |
| Operating Temperature | -10°C to +40°C |
| Altitude | Up to 1000 m |
| Humidity | Up to 90% |
| Input | 220 VAC Single Phase or 380 VAC Three Phase + Neutral |
| Input Voltage Tolerance | ±15% |
| Input Frequency | 50 Hz ±5% |
| Battery Types | Lead-Acid, Ni-Cd, Lithium |
| Protection Degree | IP21 to IP54 |
| Noise Level | <65 dB at 1 m |
| Cooling | Forced Air Cooling / Optional Natural Air Cooling |
