ST425


Standby UPS Series
  • Capacity: 425 VA / 260 W
  • Topology: Standby
  • Waveform: Simulated Sine Wave
  • Output: 120 VAC ± 5%
  • Plug type & cord: NEMA 5-15P, 5 ft. cord
  • Outlet types: 8 × NEMA 5-15R
  • ENERGY STAR® qualified: Yes
  • Warranty: 3 year
  • Connected Equipment Guarantee: $75,000
MSRP  $47.95
NEW! Check Prices at your favorite retailers or resellers
How to Buy Need a solution? Use How to Buy!

Product Description

ST425 | Standby UPS Series
Protect desktop computers, networks, VoIP, and peripherals

Product Overview


The CyberPower ST425 uninterruptible power supply (UPS) system provides battery backup and surge protection for lightning-induced surges and other power events that can damage electronic equipment. This unit delivers enough battery backup to power connected electronics through utility power failure and enough runtime to perform a proper shutdown to protect against the loss of data and damage to valuable electronics during longer outages. Including a sleek design, this UPS is perfect for all your home office and entertainment needs, including computers, gaming consoles, and broadband routers.

With a $75,000 lifetime connected equipment guarantee and a three-year warranty, you can trust CyberPower’s commitment to the quality of this Battery Backup with Surge Protection.

  • Battery Backup
    Supplies power long enough for equipment to properly shut down when utility power fails. Helps prevent loss of data and minimizes the component stress caused by a hard shutdown.
  • Surge Protection
    Diverts excess voltage away from sensitive electronic equipment during an AC power surge or power spike to prevent damage.
  • Simulated Sine Wave Output
    Uses pulse wave modulation to generate a stepped, approximated sine wave to supply cost-effective battery backup power for equipment that does not require sine wave output.
  • GreenPower UPS™ High-Efficiency Design
    Reduces power consumption by utilizing a compact charger and power inverter to create an ultra-efficient backup power system for home and office use.
  • Transformer-Spaced Outlets
    Accommodates large transformer-based plugs without compromising the access of other outlets.
  • ENERGY STAR®
    This model is an ENERGY STAR® qualified Uninterruptible Power Supply (UPS) system. ENERGY STAR is the trusted, government-backed symbol for energy-efficient products and practices that help save money and protect the environment.
  • Three-Year Warranty
    CyberPower will replace a defective UPS system (including batteries) within three years of the purchase date. See warranty for details.
  • Connected Equipment Guarantee
    CyberPower will repair or replace properly connected equipment if it is damaged by a power surge.
What’s In The Box

UPS System, User Manual.


WARNING:

This product can expose you to chemicals including Styrene, which are known to the State of California to cause cancer, and Bisphenol A (BPA), which are known to the State of California to cause birth defects or other reproductive harm. For more information go to http://www.P65Warnings.ca.gov.

ST425 | Standby UPS Series
Protect desktop computers, networks, VoIP, and peripherals
General
UPS Topology Standby
Energy Saving GreenPower UPS™ High Efficiency
ENERGY STAR® Compliant Yes
Input
Input Voltage Range 96Vac – 140Vac
Frequency Range 47 – 63 Hz
Circuit Breaker 7 A
Plug Type NEMA 5-15P
Cord Length (ft) 5
Output
VA 425
Watts 260
On Battery Voltage 120Vac ± 5%
On Battery Frequency 50Hz/60Hz ± 1%
On Battery Waveform Simulated Sine Wave
Outlet Type NEMA 5-15R
Outlets – Total 8
Outlets – Battery & Surge Protected 4
Outlets – Surge-Only Protected 4
Outlets – Widely Spaced 4
Overload Protection Internal circuitry limiting / Circuit Breaker
Transfer Time Typical 8ms
Battery
Runtime at Half Load 6 min
Runtime at Full Load 1.5 min
Battery Type Sealed Lead-Acid
Battery Size 12V / 2.9AH
Battery Quantity 1
User Replaceable Field Replacement
Typical Recharge Time 8 hours
Surge Protection & Filtering
Surge Suppression 890
EMI/RFI Filtration Yes
Management & Communications
HID Compliant USB Port No
Serial Port No
Management Cable None
LED Indicators Power On
Audible Alarms On Battery
Low Battery
Overload
Fault
Physical
Form Factor Compact
Keyhole Mounting Slots Yes, 2 x 2-direction slots
Color Black
Dimensions – W×H×D (in) 8.3 x 4.5 x 3.2
Weight (lbs) 3.8
Environmental
Maximum Operating Elevation 10,000 ft (3,000 m)
Maximum Storage Elevation 50,000 ft (15,000 m)
Operating Relative Humidity 0 – 95% (non-condensing)
Operating Temperature 32 °F to 104°F (0°C to 40°C)
Storage Temperature 5°F to 113°F (-15°C to 45°C)
Certifications
Safety UL1778
cUL
FCC DOC Class B
CEC
Environmental RoHS Compliant
Warranty
Product Warranty 3 Years Limited
Connected Equipment Guarantee Lifetime
CEG Amount $75,000
ST425 | Standby UPS Series
Protect desktop computers, networks, VoIP, and peripherals
GreenPower UPS Technology: High-Efficiency Design

GreenPower UPS™ Technology from CyberPower improves operating efficiency, reduce heat generation, and consume less power than conventional UPS models.

High-Efficiency Design significantly decreases power consumption to create an ultra-efficient backup battery for home and office use.


Transformers and Transformer Outlets

A transformer converts alternating current line voltage to a higher value or a lower value. Transformers rely upon electromagnetic induction, the process which occurs when the alternating current within a circuit generates current in a nearby circuit.

Transformers vary in design and size, as well as using different amounts of current. Small transformers plug into a wall outlet and create low direct current voltages which are used by common electronic devices. Transformer outlets are more widely spaced than other outlets to accommodate transformer block adapters or other adapters that are large in size. Transformer outlets can be used to connect any appropriate device to a surge protector.


ST425 | Standby UPS Series
Protect desktop computers, networks, VoIP, and peripherals
ST425 | Standby UPS Series
Protect desktop computers, networks, VoIP, and peripherals
What types of equipment are NOT allowed to be plugged into the UPS?

Any device which exceeds the unit’s VA/Watt rating should not be plugged into the outlets. High drain devices, medical equipment, and aquatic equipment also void the unit’s warranty. Below is a list of other devices that also void the warranty.

  • Laser printers
  • Space heaters
  • Copiers
  • Paper shredders
  • Vacuums
  • Curling irons
TECHNICAL SUPPORT
Please contact our Tech Support department with installation, troubleshooting, or general product questions.
Hours of operation: Monday – Friday 7:00am – 6:00pm CST
Contact Tech Support: Submit Ticket Now

Our Technical Support team will be happy help you with technical questions during business hours.

Chat Live
Monday - Friday
7am — 6pm CST

CHAT NOW

Email
Monday - Friday
7am — 6pm CST
Visit our support page

Call Toll Free
Live Monday - Friday
7am — 6pm CST
1-877-297-6937 ( press 1 )

Ask a CyberPower tech support representative to contact you.



CyberPower Systems values your privacy and your information will never be rented or sold. Information provided will be used for CyberPower's internal use only. View our Privacy Policy.

ST425 | Standby UPS Series
Protect desktop computers, networks, VoIP, and peripherals
 Model Output VAOutput WattsForm FactorWaveformOutlets MSRP
 SL700U 700 VA370 WSlim LineSimulated Sine Wave8 x NEMA 5-15R $81.95
 CP350SLG 350 VA255 WCompactSimulated Sine Wave6 x NEMA 5-15R $41.95
 CP425SLG 425 VA255 WCompactSimulated Sine Wave8 x NEMA 5-15R $49.95
 ST425 425 VA260 WCompactSimulated Sine Wave8 x NEMA 5-15R $47.95
 CP550SLG 550 VA330 WCompactSimulated Sine Wave8 x NEMA 5-15R $57.95
 ST625U 625 VA360 WCompactSimulated Sine Wave8 x NEMA 5-15R $61.95
 ST900U 900 VA500 WCompactSimulated Sine Wave12 x NEMA 5-15R $95.95
 RT650 650 VA400 WMini-TowerSimulated Sine Wave6 x NEMA 5-15R $115.95
ST425 | Standby UPS Series
Protect desktop computers, networks, VoIP, and peripherals