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CONGRATULATIONS ON YOUR PURCHASE

Thank you for selecting the CyberPower P4WSU Surge 

Protector. This manual explains the features and operation 

of the P4WSU. Please take a few moments to read 

this manual.

FEATURES

1. Surge Protected Indicator

Illuminated when the surge protection feature is 

working properly.

2. Four Standard Outlets
3. Pivoting Outlets

Pivoting outlets for ease of use and convenience.

4. USB Charging Ports*

Connect and charge up to four (4) USB devices using 

the surge protected USB charging ports. 

*USB outlets cannot be used as a USB hub. This device 

does not transfer data.

SPECIFICATIONS

• Model Number: P4WSU
• Outlets: 4 standard outlets
• USB Charging Rating: 5 V/4.2 A total
• Surge Protection: 900 Joules
• Electrical Rating: 125 V/15 A/1875 W
• UL Clamping Voltage: UL 1449 4th/800 V (L-N)
• Maximum Peak Current: 30,000 A
• 1 AC Line Protected: H-N: 30,000 A (The maximum 

surge possible on household wiring is 6,000 volts)

• Response Time: Less than 1 nanosecond

CAUTION

TO REDUCE THE RISK OF ELECTRIC SHOCK

 - Use only in 

dry locations and only indoors. 

DO NOT

 plug into another 

relocatable power tap. 

DO NOT

 “daisy chain” surge 

protectors. 

DO NOT

 use with any aquarium equipment. 

DO NOT

 use if properly grounded outlets are not 

available. 

DO NOT

 install this device if there is less than 10 

meters (30 feet) or more of wire between the electrical 

outlet and electrical service panel. 

DO NOT

 use for 

medical or life support equipment. This device features an 

internal protection that will disconnect the surge protective 

component at the end of its useful life, but it will maintain 

unprotected power to the load.

TROUBLESHOOTING

 If the protected indicator does not light, the surge 

protector’s AC lines are no longer protected from surge. 

The surge protector may have received a power surge or 

spike beyond its specified limits that overloaded the 

protection circuitry and rendered it inactive. The surge 

protector has protected your connected equipment as 

designed, but it will not protect against future surges, 

and spikes. It should be replaced.

TECHNICAL SUPPORT

Please contact our Tech Support Department with 

installation, troubleshooting, or general product questions.
• Phone: 1-877-297-6937
• Email: [email protected]
• Hours of Operation: 

Monday – Friday 7:00am – 6:00pm CST

USER MANUAL

4-Outlet Surge Protector

(4 AC & 4 USB Ports)

P4WSU

4-Outlet Surge Protector

(4 AC & 4 USB Ports)

P4WSU

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Copyright © 2018 Cyber Power Systems (USA), Inc. All rights reserved.

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