APC / Schneider Electric UPS
The most common name in small and mid-range backup — and the one we supply when a site standard or an existing installed base calls for it.
Series we supply1
| Series | Power | Type | Notes |
|---|---|---|---|
 APC Back-UPS
|
650–1000 VA | Standby / line-interactive (by model) | Entry-level models for workstations, routers, CCTV and POS — check waveform and capacity |
Linked series open a full page with the model list, ratings and downloadable datasheets. Models not listed can also be supplied. Capacity and battery sizing should be calculated by an engineer against the actual load — never from the nameplate rating alone.
Where APC makes sense
APC has the highest penetration of any brand in Hong Kong's small-office market, and three practical benefits follow:
- Accessories and consumables are easy to get. Battery packs, network cards and rack kits are stocked widely — you will not be stuck hunting for a part.
- Model numbers are readable. The number roughly is the VA rating, which makes ordering and cross-checking quotes simpler.
- Retail and project channels coexist. Small models circulate widely, so a genuine urgent replacement can usually be sourced the same week.
The limit is just as clear: APC is thin in the large and three-phase range. For a room with three-phase supply and tens of kVA of load, EATON or a Chinese three-phase line is usually the better conversation.
The series people mix up
- Back-UPS — standby or line-interactive depending on the model. Same name, two architectures, very different protection. Always check the specific model.
- Smart-UPS — line-interactive, tower or rack form factor.
- Smart-UPS RT / SRT — online double-conversion, rack-mounted, accepts external battery packs to extend runtime.
The most common mistake we see is ordering "an APC" without the model number. At the same VA rating, a standby unit and a line-interactive unit differ sharply in price and protection — buying the wrong one is money spent twice.
When to choose APC
- Load within ~3 kVA — computers, network gear, POS, surveillance
- Rented premises that may be vacated — tower units move more easily than rack builds
- Short lead time matters
- No dedicated IT staff — the interfaces and alerts are straightforward
Runtime comes from the battery pack
Most APC models accept external packs — the Smart-UPS RT/SRT 192 V rack battery pack being the common one. The same host with one pack or two differs by a multiple in runtime. Plan the cabinet space, floor loading, ventilation and whether the battery swap needs downtime — we size all of it against a measured load before quoting. That step matters more than the brand on the box.
More in UPS systems
Other options in the same category — comparing them side by side saves a round of questions.
EATON
The fullest range of any brand we carry — office line-interactive through to modular three-phase and industrial units.
View detailsOther UPS models
Santak, Vertiv and generic online models — specified per project against the measured load.
View detailsTHTAK — our own product line
Our own brand, built in our Shenzhen factory — lithium UPS customisable by voltage, size and runtime.
View details