Mecer 3000VA UPS (ME-3000-VU)

The Mecer ME-3000-VU is a line-interactive UPS system that provides reliable power protection for small business networks, workstations, and office equipment. This 3000VA unit uses automatic voltage regulation (AVR) technology to correct power fluctuations without switching to battery, extending battery life while protecting connected devices. Businesses choose this model for cost-effective power protection that balances performance with affordability in environments where brief transfer times are acceptable.

Technical Specifications

Power Capacity

• Rated Power: 3000VA / 1800W
• Output Power Factor: 0.6
• Waveform: Simulated sine wave (stepped approximation)

Input Specifications

• Voltage Range: 162-290V AC (AVR operating range)
• Frequency: 50/60 Hz ± 5 Hz
• Phase: Single-phase
• AVR Correction Range: Boost at 162-184V, Buck at 242-290V

Output Specifications

• Voltage: 220/230/240V AC ± 10% (selectable)
• Frequency: 50/60 Hz ± 1 Hz (battery mode)
• Transfer Time: Typically 4-6 milliseconds
• Overload Capacity: 110% for 60 seconds, 130% for 30 seconds

Battery & Runtime

• Battery Type: 12V sealed lead-acid batteries
• Typical Runtime: 8-12 minutes at full load, 20-30 minutes at half load
• Recharge Time: 8-10 hours to 90% capacity
• Battery Test: Manual and automatic self-test functions
• Low Battery Alarm: Audible warning with approximately 2 minutes remaining

Physical Dimensions

• Form Factor: Tower/desktop configuration
• Dimensions: Approximately 395mm (H) × 145mm (W) × 410mm (D)
• Net Weight: Approximately 22kg
• Operating Temperature: 0°C to 40°C
• Storage Temperature: -15°C to 45°C
• Humidity: 0-90% non-condensing
• Altitude: Up to 1000m without derating

Connectivity & Outputs

• Output Sockets: Four IEC C13 battery backup outlets plus two surge-only outlets
• Communication: USB port for monitoring and management
• Software: Compatible with monitoring software for Windows and Linux systems
• Input Connection: Standard NEMA 5-15P or IEC C14 inlet (region dependent)

Protection Features

• Surge Protection: MOV-based surge suppression on all outlets
• Overload Protection: Automatic bypass or shutdown depending on duration
• Over-Discharge Protection: Prevents deep battery discharge
• Short Circuit Protection: Immediate output isolation
• Audible Alarms: Battery mode, low battery, overload, and fault conditions

Compliance Standards

• Safety: IEC 62040-1
• EMC: IEC 62040-2
• Performance: IEC 62040-3 line-interactive classification

Use Cases & Applications

Small Office Networks

The Mecer ME-3000-VU protects small business network infrastructure including routers, switches, and wireless access points. The AVR functionality handles voltage fluctuations common in commercial buildings without depleting battery reserves. Small offices typically connect a file server, network equipment, and several workstations to ensure business continuity during brief power interruptions.

Workstation Protection

Desktop computers, monitors, and peripherals benefit from both battery backup and surge protection. The simulated sine wave output works reliably with standard PC power supplies and monitors. However, users should verify compatibility with equipment featuring active power factor correction, as some newer power supplies may experience reduced efficiency with simulated sine wave outputs.

Retail Point-of-Sale Systems

Retail environments use the ME-3000-VU to maintain transaction processing during power disturbances. The unit supports multiple POS terminals, receipt printers, and barcode scanners simultaneously. The cold start feature proves particularly valuable in scenarios where power restoration doesn’t coincide with business hours, allowing store opening without waiting for grid power.

Home Office and Remote Work Setups

Remote professionals protect their work equipment including computers, monitors, networking gear, and VoIP phones. The LCD display helps troubleshoot connectivity issues related to power quality. Additionally, the USB management software enables automatic file saves and graceful shutdowns during extended outages, preventing work loss.

SOHO Server Applications

Small office/home office environments running entry-level servers for file sharing, security camera recording, or basic web services benefit from affordable UPS protection. The backup time provides sufficient duration for automatic shutdown scripts to complete safely. Nevertheless, organizations with critical data should consider pure sine wave online UPS models for enhanced protection.

Surveillance System Power Backup

Small business security systems including NVRs and PoE switches for IP cameras maintain recording capability during brief outages. The ME-3000-VU provides adequate runtime for maintaining surveillance coverage while perimeter security remains active. For installations with active PFC power supplies in NVRs, verify compatibility testing before deployment.