Description
The Delta UPO-551AWBS is a compact offline Uninterruptible Power Supply (UPS) designed for 110V environments. With a 550VA/300W capacity, it delivers simulated sine wave power to connected devices during voltage fluctuations or total blackouts. This unit features four integrated outlets that provide both battery backup and surge protection, ensuring that critical hardware remains operational long enough for safe shutdowns or to bridge short-term power gaps.
This product is for:
- Remote workers needing to maintain internet connectivity and save documents during sudden power flickers.
- Home entertainment enthusiasts looking to protect gaming consoles and smart TVs from voltage spikes.
- Small business owners requiring backup power for Point of Sale (POS) systems and credit card terminals.
- Security-conscious homeowners ensuring that CCTV cameras and DVRs remain active during electrical interference.
- Students using desktop computers who require a reliable buffer against data corruption caused by unexpected shutdowns.
Detailed specifications:
- Rated Capacity: 550VA / 300W
- Input Voltage: 110 Vac (Range: 90-145 Vac)
- Output Waveform: Simulated Sine Wave at 110 Vac ±10%
- Battery Type: Maintenance-free sealed lead-acid battery
- Backup Time: Approximately 7 minutes at half load
- Recharge Time: 8 hours to 90% capacity
- Outlets: 4 x UPS + Surge Protection outlets
- Dimensions: 260 x 148 x 94 mm; Weight: 3 kg
- Safety Certification: BSMI approved
Operating the UPO-551AWBS is straightforward due to its plug-and-play architecture. In the event of a power failure, the unit transitions to battery mode within milliseconds, providing a stable 60Hz frequency. The 3kg lightweight chassis allows for versatile placement under desks or behind media centers. Users can expect a quiet operation within a temperature range of 0-40°C, making it suitable for standard indoor environments without specialized cooling.
Compared to standard surge protectors, the Delta UPO-551AWBS adds a critical layer of battery backup that prevents immediate hardware shutdown. While online UPS models offer zero transfer time and pure sine waves for sensitive medical equipment, this offline model is a more cost-effective solution for standard consumer electronics. It offers a wider input voltage tolerance (90-145 Vac) than many entry-level competitors, ensuring fewer unnecessary battery discharges during minor brownouts.
Q&A:
- How many devices can I plug into the Delta UPO-551AWBS?
- It features four outlets that provide both battery backup and surge protection for a total load of up to 300W.
- What is the expected battery life during a power outage?
- At half load (approx. 150W), the unit provides roughly 7 minutes of runtime, sufficient for saving work and shutting down a PC.
- Does this UPS protect against lightning strikes?
- Yes, the unit includes built-in surge protection to shield connected equipment from high-voltage transients and spikes.
- How long does it take to recharge the battery?
- The internal lead-acid battery reaches 90% charge in approximately 8 hours after a full discharge.
- Is the output compatible with all electronics?
- The simulated sine wave is ideal for most desktop computers, routers, and monitors, though pure sine wave UPS units are recommended for high-end audio or active PFC power supplies.
