PowerStar PST-43A: A Compact and Powerful UPS System for Home and Office Use

The PowerStar PST-43A is a compact and versatile uninterruptible power supply (UPS) system designed to provide reliable backup power during outages or electrical surges. This 430VA unit is ideal for small home offices, workstations, and personal computers, offering an affordable and efficient solution for protecting sensitive electronics.

Design and Build Quality

The PowerStar PST-43A features a sleek and compact design that measures just 4 inches wide, 3.5 inches deep, and 7.25 inches tall. The unit is made of high-quality plastic with a durable metal casing, providing excellent protection against dust and minor impacts.

The front panel is equipped with a user-friendly LCD display that shows essential information such as voltage, current, and battery life. The device also features a set of LED indicators for monitoring the power status, overload warnings, and alarm notifications.

Power Protection Features

The PowerStar PST-43A offers an impressive range of power protection features to safeguard your equipment:

  • Automatic Voltage Regulation (AVR): Maintains a stable voltage output between 90V and 140V AC
  • Overvoltage Protection (OVP): Protects against surges up to 200V AC
  • Undervoltage Protection (UVP): Provides protection down to 80V AC
  • Surge Protection: Offers 400 joules of surge absorption for reliable protection against electrical spikes

UPS Features

The PowerStar PST-43A includes the following UPS features:

  • Battery Backup: Delivers clean and stable power during outages, allowing you to safely shut down your equipment or work uninterrupted
  • Automatic Shutdown: Automatically shuts down connected devices in case of a prolonged power outage
  • Remote Control: Offers remote shutdown capabilities using an optional RS-232 serial cable

Connectivity and Compatibility

The PowerStar PST-43A features multiple connectivity options:

  • 8 x NEMA 5-15R outlets: Supports up to eight devices, including computers, monitors, routers, and other peripherals
  • 1 x USB charging port: Charges mobile devices such as smartphones or tablets
  • RS-232 serial interface: Allows for remote control using an optional cable

Technical Specifications:

  • VA Rating: 430VA
  • Wattage: 310W
  • Input Voltage Range: 90V – 140V AC
  • Output Voltage: 120V AC ±10% (nominal)
  • Frequency: 50/60Hz
  • Overload Capacity: Up to 1100VA for 2 minutes
  • Surge Absorption: 400 joules
  • Battery Type: Maintenance-free lead-acid battery
  • Battery Life: 5-8 years (depending on usage)
  • Dimensions: 4 inches wide, 3.5 inches deep, and 7.25 inches tall

Conclusion

The PowerStar PST-43A is an excellent choice for home and office users seeking a compact and reliable UPS system to protect their sensitive electronics. Its impressive range of power protection features, user-friendly LCD display, and multiple connectivity options make it an attractive solution for protecting against electrical surges, outages, or brownouts.

While it may not be the most powerful UPS on the market, the PowerStar PST-43A offers a great balance between performance, price, and size. With its competitive pricing starting at around $100, this unit is definitely worth considering for anyone looking to safeguard their equipment against power-related threats.