Mecer ME-3000-WPTU UPS, 3KVA Smart Online Tower

The Mecer ME-3000-WPTU UPS is a robust 3KVA Pro Smart Online Tower designed for critical power backup and energy optimization. Below is a detailed summary of its specifications for your reference:

Key Features:

• Topology: True double-conversion online UPS for consistent and clean power.
• Wide Input Voltage Range: Operates between 110-300 VAC.
• Input Power Factor: High efficiency with a power factor of 0.99.
• Output Power Factor: 0.8, providing reliable power for connected devices.
• Modes:
  • ECO Mode for energy-saving (up to 3KVA).
  • Converter Mode for specific applications.
• Compatibility:
  • Generator-compatible.
  • Smart SNMP with USB or RS-232 interface for monitoring and control.

Specifications:

Input:

• Voltage Range: 110-300 VAC
  • Low Line Transfer: 110 VAC ± 3% (50% load) / 176 VAC ± 3% (100% load).
  • High Line Transfer: 300 VAC ± 3%.
• Frequency Range: 4654 Hz or 5664 Hz.
• Power Factor: ≥ 0.99 at full load.

Output:

• Capacity: 3000 VA / 2400 W.
• Output Voltage: Configurable to 208/220/230/240 VAC.
• Voltage Regulation (Battery Mode): ± 1%.
• Frequency Range:
  • Synchronized: 4654 Hz or 5664 Hz.
  • Battery Mode: 50 Hz ± 0.1 Hz or 60 Hz ± 0.1 Hz.
• Waveform (Battery Mode): Pure sine wave.
• Harmonic Distortion:
  • ≤ 3% (linear load).
  • ≤ 5% (non-linear load).
• Current Crest Ratio: 3:1.
• Transfer Time: Zero ms from inverter to bypass.

Efficiency:

• AC Mode: 90%.
• Battery Mode: 88%.

Battery:

• Type: 12V / 9Ah sealed lead-acid batteries.
• Quantity: 6 batteries.
• Charging Current: Adjustable (1.0 A / 2.0 A).
• Charging Voltage: 82.1 VDC ± 1%.
• Recharge Time: 4 hours to 90% capacity.

Indicators:

• LCD Panel: Displays UPS status, load level, battery level, input/output voltage, discharge timer, and fault conditions.

Physical:

• Dimensions (D x W x H): 421 x 190 x 318 mm.
• Net Weight: 27.6 kg.

Environmental:

• Operating Temperature: 0-40°C.
• Humidity: 20-90% RH (non-condensing).
• Noise Level: <50 dB at 1 meter.

Management:

• Interfaces: USB, RS-232, and optional SNMP for remote monitoring.
• Supported OS: Windows (2000 to Windows 10), Linux, Unix, and Mac OS.
• Special Notes:
  • Derate output to 80% when in CVCF mode or at 200/208V.
  • Derate by 1% per 100m altitude above 1000m.

Application Suitability:

The Mecer ME-3000-WPTU is ideal for server rooms, sensitive electronics, and professional environments requiring seamless power backup with advanced management and monitoring options. Its wide voltage range, double-conversion design, and compatibility with generators and SNMP make it reliable for mission-critical systems.

summary table for the technical specifications 

Category	Specification
Model	Mecer ME-3000-WPTU
Capacity	3000 VA / 2400 W
Topology	True double-conversion online UPS
Input Voltage Range	110-300 VAC
Low Line Transfer	110 VAC ± 3% @ 50% load / 176 VAC ± 3% @ 100% load
High Line Transfer	300 VAC ± 3%
Frequency Range	4654 Hz or 5664 Hz
Input Power Factor	≥ 0.99 at 100% load
Output Voltage	208/220/230/240 VAC
Voltage Regulation	± 1% (Battery Mode)
Output Frequency	50 Hz ± 0.1 Hz or 60 Hz ± 0.1 Hz (Battery Mode)
Current Crest Ratio	3:1
Harmonic Distortion	≤ 3% (Linear Load), ≤ 5% (Non-Linear Load)
Waveform (Battery Mode)	Pure sine wave
Transfer Time	Zero (AC to Battery and Inverter to Bypass)
Efficiency (AC Mode)	90%
Efficiency (Battery Mode)	88%
Battery Type	12V / 9Ah Sealed Lead-Acid Batteries
Number of Batteries	6
Charging Voltage	82.1 VDC ± 1%
Charging Current	Adjustable (1.0 A / 2.0 A)
Recharge Time	4 hours to 90% capacity
LCD Panel	Displays UPS status, input/output voltage, load level, battery level, faults
Interfaces	USB, RS-232, Optional SNMP
Operating Temperature	0-40°C
Humidity	20-90% RH (Non-condensing)
Noise Level	< 50 dB @ 1 meter
Physical Dimensions	421 x 190 x 318 mm
Net Weight	27.6 kg

FAQs for Mecer ME-3000-WPTU UPS

1. What is the capacity of the Mecer ME-3000-WPTU?

The UPS has a capacity of 3000 VA / 2400 W, making it suitable for powering servers, networking devices, and other critical equipment.

2. What type of battery does it use, and how many are included?

It uses 12V / 9Ah sealed lead-acid batteries, and the unit includes 6 batteries.

3. How long does it take to recharge the batteries?

The typical recharge time is 4 hours to reach 90% capacity.

4. Does the Mecer ME-3000-WPTU provide a pure sine wave output?

Yes, it delivers a pure sine wave output in battery mode, ensuring compatibility with sensitive equipment.

5. What is the input voltage range?

The input voltage range is 110-300 VAC, allowing it to function effectively in environments with fluctuating power.

6. Is it compatible with generators?

Yes, the Mecer ME-3000-WPTU is generator-compatible, making it suitable for areas with frequent power outages.

7. Does the UPS support energy-saving features?

Yes, it includes an ECO mode for energy-saving, which operates efficiently under certain conditions.

8. What interfaces are available for management and monitoring?

The UPS supports USB and RS-232 interfaces, and it is SNMP-compatible (with an optional SNMP card), enabling remote monitoring and power management.

9. What operating systems are compatible with the UPS monitoring software?

The UPS is compatible with:

• Windows (2000, 2003, XP, Vista, 7, 8, 10)
• Linux
• Unix
• Mac OS

10. What happens if the UPS is overloaded?

In the event of an overload:

• The UPS will emit an alarm (beeping twice per second).
• If the overload persists, it will switch to bypass mode or shut down to protect the connected equipment and itself.

11. Can I adjust the number of batteries in the system?

No, the adjustable battery configuration is only available on higher models (6KVA and above).

12. What kind of devices can this UPS support?

The UPS is suitable for:

• Servers
• Data centers
• Networking equipment
• Workstations
• Medical devices
• Other sensitive electronics requiring uninterrupted power.

13. Is there a delay in switching between modes during power failure?

No, the UPS features a zero transfer time when switching from AC to battery mode, ensuring uninterrupted operation.

14. What is the efficiency of the UPS?

• In AC mode: 90%.
• In battery mode: 88%.

15. Does the UPS have a built-in display?

Yes, it includes an LCD panel that shows:

• UPS status
• Input and output voltage
• Battery level
• Load level
• Discharge timer
• Fault conditions

16. What safety features does this UPS include?

• Overload protection
• Short-circuit protection
• Over-temperature protection
• Low battery alarms
• Emergency shutdown options (EPO available in higher models like 6K and above).

17. How noisy is the UPS during operation?

The noise level is less than 50 dB at a distance of 1 meter, making it quiet enough for most indoor environments.

18. Can the UPS be used at higher altitudes?

Yes, but the output power must be derated by 1% for every 100 meters above 1000 meters altitude.

19. How does the UPS handle harmonics?

The harmonic distortion is:

• ≤ 3% for linear loads.
• ≤ 5% for non-linear loads.

20. What is the expected lifespan of the batteries?

The lifespan depends on usage and maintenance. Typically, 2-4 years with proper care. Regular maintenance and timely replacements are recommended.

21. What should I do if the UPS shows a fault condition?

The LCD panel will display the fault code. Refer to the user manual for troubleshooting steps, or contact Mecer support for assistance.