DRESDEN-LF1103KS

Applications:

• Data Centers: Ensures uninterrupted operation for servers and networking equipment.
• Industrial Systems: Supports CNC machines, automation lines, and production facilities.
• Commercial Facilities: Provides reliable power for offices, banks, and retail environments.
• Telecom Systems: Maintains stable operation for telecom base stations and networks.
• Medical and Banking Systems: Protects sensitive equipment such as diagnostic devices, ATMs, and banking systems.
• Precision Instruments: Guarantees clean, stable power for laboratories and measuring devices.
• Other Critical Infrastructure: Ideal for any facility where uninterrupted, high-quality power is essential.

Main Features:

• IGBT Inverter with Output Isolation Transformer: High efficiency and stable output.
• Online Double Conversion Technology: Provides continuous, clean sine wave power.
• Wide Input Voltage Range: Compatible with fluctuating and unstable power conditions.
• Communication Ports: RS232/RS485 for remote monitoring.
• Optional SNMP Adapter/Dry Contact: Network-based monitoring and management capability.
• High Reliability and Performance: Designed for mission-critical applications.
• External Battery Pack (Optional): Expandable backup time for extended power support.
• Maintenance Switch: Allows safe service and maintenance without shutting down the load.
• Advanced Protection Features: Includes overload, short-circuit, surge, and low-battery protection.
• User-Friendly LCD Display: Shows input/output voltage, battery status, load, and alarms for easy monitoring.

1. What is the DRESDEN-LF1103 Online UPS?
   It is a 3kVA true online double-conversion UPS providing stable and uninterrupted power.

2. Who is the official importer in Bangladesh?
   TNS Engineering Ltd.

3. What type of UPS is it?
   Online double-conversion UPS.

4. What is the power rating?
   3kVA / 2.7kW.

5. What is the input voltage range?
   165–275V AC.

6. What is the output voltage regulation?
   220/230V ±0.5%.

7. What type of batteries does it use?
   12V sealed lead-acid batteries, 4 × 12V.

8. Can external batteries be connected?
   Yes, to extend backup time.

9. How long is the typical backup time?
   10–15 minutes at full load.

10. What is the battery recharge time?
    Around 8 hours to reach 90%.

11. Does it support hot-swappable batteries?
    Yes.

12. Can it operate without batteries?
    No, batteries are required.

13. What is the transfer time between mains and battery?
    Zero milliseconds (0ms).

14. What is the efficiency of the UPS?
    Up to 89% in AC mode.

15. What protections are built-in?
    Overload, short circuit, overvoltage, undervoltage, battery failure, and over-temperature.

16. What is the overload capacity?
    125% load for 1 minute, 150% load for 200ms.

17. Does it protect against surges and spikes?
    Yes, with AVR and surge protection.

18. Can it handle non-linear loads?
    Yes, within rated capacity.

19. Where can it be used?
    Data centers, servers, banks, telecom, and medical devices.

20. Is it compatible with generators?
    Yes, diesel and petrol generators.

21. Can it be used for home appliances?
    Yes, if within capacity.

22. Is it suitable for sensitive medical equipment?
    Yes, pure sine wave output.

23. Can it run motors or ACs?
    Small motors only; heavy loads not recommended.

24. Can it power IT equipment?
    Yes, ideal for servers and networking devices.

25. What communication ports are available?
    RS232 standard; optional SNMP and dry contacts.

26. Is remote monitoring supported?
    Yes, via SNMP card.

27. Does it have an LCD display?
    Yes, showing status, battery, and faults.

28. Can alarms be configured?
    Yes, audible and visual alarms.

29. Can it be monitored via network?
    Yes, with SNMP adapter.

30. What is the operating temperature range?
    0°C to 40°C, humidity up to 95% non-condensing.