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Compact black tower UPS with six NEMA 5-15R outlets on the back

APC

APC BE425M UPS 425VA 255W 6 Outlets 120V

SKU CH-PEH1-5G0CR MPN BE425M

Provides 255 W battery backup for four outlets plus surge protection for two more, recharging in 8 hours

  • International Version120V
  • Input Voltage Range88 - 139V
  • Input Frequency50/60 Hz +/- 3 Hz Auto-sensing
  • Input ConnectionNEMA 5-15P
  • VA Rating425 VA
  • Watts255 Watts

VA 425 VA

  • Keeps essential devices running during outages with 255 W battery backup
  • Protects connected equipment from damaging spikes with 180 J surge protection
  • Powers up to six devices through four battery-backed and two surge-only outlets
  • Accepts unstable input from 88 to 139 V without draining the battery
  • Recharges fully in eight hours for the next power event

Entry-level desktop UPS

The APC BE425M is a 425 VA, 255 W battery backup designed for home desktops, wireless routers and gaming consoles. It provides six NEMA 5-15R outlets, four of which deliver battery backup while the remaining two supply surge-only protection. The unit accepts an input range of 88 to 139 V and auto-senses 50 or 60 Hz mains frequency.

Square-wave output under load

During an outage the inverter produces a square-wave output at 120 V, synchronised to the mains frequency with a 6 ms transfer time. At full 255 W load the sealed lead-acid battery lasts around 2 minutes; at half load of 127.5 W runtime extends to around 10 minutes. Recharge from depletion requires approximately 8 hours before the next event.

Wall-mountable tower with wiring fault LED

The tower chassis includes keyhole slots for wall mounting and wider outlet spacing to accommodate bulky transformers. A Building Wiring Fault indicator LED alerts users to unsafe wall-circuit conditions. Audible alarms signal on-battery and low-battery states and can be silenced through multiple alarm settings. Surge energy rating is 180 joules.

Highlights

  • Keeps essential devices running during outages with 255 W battery backup
  • Protects connected equipment from damaging spikes with 180 J surge protection
  • Powers up to six devices through four battery-backed and two surge-only outlets
  • Accepts unstable input from 88 to 139 V without draining the battery
  • Recharges fully in eight hours for the next power event

Specifications

BrandAPC
SeriesBack-UPS
ModelBE425M
International Version120V
Input Voltage Range88 - 139V
Input Frequency50/60 Hz +/- 3 Hz Auto-sensing
Input ConnectionNEMA 5-15P
VA Rating425 VA
Watts255 Watts
Output Voltage120V
Output Frequency50/60 Hz +/- 3 Hz Sync to mains
Outlets6
Outlet Type6 NEMA 5-15 R outlets:
Battery Backup: 4
Surge Outlets: 2
Battery TypeSealed Lead Acid
Battery Run TimeFull Load (255W): Around 2 minutes
Half Load (127.5W): Around 10 minutes
Battery Recharge Time8 Hour(s)
AlarmsAlarm when on battery : distinctive low battery alarm
ApprovalsCalifornia (CEC) Battery Charger, cTUVus, FCC Part 15 Class B
RoHS Compliant
Surge Energy Rating180 Joules
FeaturesStay connected for hours, not minutes
Wider outlet spacing for both high and low power devices
Reliable surge protection for peace of mind
Reliably silence alarms
Multiple alarm settings
Wall mounting sockets
Dimensions5.50" x 10.00" x 4.10"
Weight5.73 lbs.
Shipping weight3.03 kg
Package size315 × 222 × 142 mm

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Questions about this item

Does the BE425M make any audible noise or generate noticeable heat during continuous all-day operation?

The unit uses a sealed lead-acid battery with no fan listed; only the distinct low-battery alarm sounds when running on battery, so normal mains operation is silent and produces minimal heat.

What wall receptacle and device plugs are required for the BE425M to work?

It needs a standard NEMA 5-15R wall receptacle for its attached NEMA 5-15P input plug; connected equipment must use NEMA 5-15P plugs to fit the six NEMA 5-15R outlets.

Will the BE425M’s square-wave output and 6 ms transfer time cause issues with older desktop power supplies that have active PFC?

The 6 ms transfer time and square-wave output are typical for entry-level UPS units; most older active-PFC supplies tolerate them, but very sensitive units may shut down during the switch.

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