The APC Back-UPS 1200VA (BX1200MI-AZ) is a line interactive UPS that keeps computers, modems and home office equipment running through short power outages. It delivers 650 W from four Australian outlets, with automatic voltage regulation (AVR) to correct voltage fluctuations.
| Model | BX1200MI-AZ |
| Capacity | 1200 VA / 650 W |
| Topology | Line interactive |
| Waveform | Stepped approximation to a sine wave |
| Input / output voltage | 230 V AC, single phase |
| Input voltage range | 140–300 V |
| Input frequency | 50/60 Hz +/- 5 Hz auto-sensing |
| Outlets | 4 x AS/NZS 3112 (Australian) |
| Transfer time | 6 ms typical, 10 ms maximum |
| Runtime | Approx. 1 min at 650 W; approx. 5 min at 300 W |
| Battery | Lead-acid, 12 V, internal; typical recharge time 8 h; battery life 3–5 years |
| Surge energy rating | 273 J |
| Interface | USB port |
| Control panel | LED status display (on line / on battery) |
| Power cable | 1.2 m |
| Dimensions (H x W x D) | 190 x 140 x 390 mm |
| Weight | 7.6 kg |
| Form factor | Tower (not rack-mountable) |
| Colour | Black |
| Acoustic level | 40 dBA |
| Operating temperature | 0–40 °C |
| Certifications | CE, CB, RCM |
| Warranty | 24 months |
Suited to: home offices and small businesses protecting a desktop PC, monitor, modem or router from short outages and voltage dips. Browse the full APC range at Ink and Rolls for other UPS sizes and replacement batteries.
Not suited to: servers or racks that need pure sine wave output, rack mounting or long runtimes. For a model with IEC outlets and a network slot, see the APC Easy UPS 1000VA, or compare the PowerShield Defender 1200VA with six Australian sockets.
APC lists about 5 minutes at a 300 W load and about 1 minute at the full 650 W load.
Yes, it has four AS/NZS 3112 Australian outlets with battery backup and surge protection.
Yes, it has a USB port, and APC lists it as USB compatible.
APC lists a 24-month warranty for the BX1200MI-AZ.