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Minuteman ETR550LCD PS AVR 550VA 4-Bat/4-Surge USB
- 550VA / 330W capacity
- Automatic Voltage Regulation (AVR)
- 4 battery-backed outlets
- 4 surge-only outlets
- LCD display for status monitoring
- Compact desktop design
- USB communication port
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For government, enterprise, data center, and small business customers.
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Product Overview
The Minuteman ETR550LCD is a 550VA UPS featuring Automatic Voltage Regulation (AVR) and surge protection. It provides battery backup for four devices and surge protection for an additional four devices, making it suitable for protecting workstations, small servers, and networking equipment. The LCD display offers real-time status information.
Technical Information
| Model | ETR550LCD |
| Brand | Minuteman |
| Capacity (VA) | 550VA |
| Capacity (Watts) | 330W |
Additional Specifications
| Input Voltage | 120V AC |
| Number of Battery Outlets | 4 |
| Number of Surge Outlets | 4 |
| Display | LCD |
Product Description
The Minuteman ETR550LCD is a versatile Uninterruptible Power Supply (UPS) designed to offer comprehensive power protection for small to medium-sized business environments and home offices. With a capacity of 550VA and 330W, it effectively safeguards critical equipment such as desktop computers, workstations, network devices, and point-of-sale systems. The unit provides battery backup for four outlets, ensuring that essential devices remain operational during power outages, allowing for safe shutdown procedures and preventing data loss. A key feature of the ETR550LCD is its integrated Automatic Voltage Regulation (AVR). This technology automatically corrects voltage fluctuations (both sags and surges) without switching to battery power, providing a stable and consistent power supply to connected equipment. This not only protects sensitive electronics from damaging voltage variations but also extends the lifespan of the UPS battery. Additionally, the unit offers four surge-only outlets, providing protection against power spikes for less critical peripherals. The intuitive LCD display on the front panel provides real-time information about the UPS status, including input voltage, output voltage, load level, battery charge level, and estimated runtime. This allows users to quickly assess power conditions and the UPS's operational state. The compact desktop design and USB communication port for software monitoring further enhance its usability and integration into a typical office setup.



