Model Number: SK40RUSBB

Protect It! Surge Protector with 4 Rotatable Outlets, Direct Plug-In, 1080 Joules, 3.4A USB Charger


  • 4 rotatable outlets/direct plug-in
  • 1080 joule rating
  • 3.4 amp USB charging
  • Diagnostic LED
  • $25,000 Ultimate Lifetime Insurance (U.S., Canada, and Puerto Rico only)

















The SK40RUSBB surge suppressor offers reliable surge and line noise protection. Premium features include a compact, direct plug-in design and 4 rotatable outlets. The unique rotating design provides convenience and flexibility. Each outlet rotates independently to provide the perfect position to connect your equipment. The SK40RUSBB also includes 2 USB ports with 3.4 amps of total power that offers fast charging for smartphones, tablets, MP3 players and other portable devices. 1080 joules of surge protection to handle the strongest surge. Diagnostic LED alerts you to potential wiring or protection faults before connected equipment is damaged. $25,000 Ultimate Lifetime Insurance (U.S., Canada, and Puerto Rico only).


  • 4 rotatable outlets / direct plug-in
  • Surge suppression rating: 1080 joules
  • 3.4 amp USB Charger
  • EMI/RFI noise filtering
  • Diagnostic LED indicates Protected (green)
  • $25,000 Ultimate Lifetime Insurance (U.S., Canada, and Puerto Rico only)
  • Automatic shutoff cuts power to outlets when the protection circuit has been compromised

Package Includes

  • SK40RUSBB surge suppressor
  • Owners Manual
RoHS compliant


Charging Ports / Amps (2) 3.4A
Frequency Compatibility 60 Hz
Output Receptacles (4) 5-15R
Output (Watts) 1800
Circuit Breaker (amps) 15
Right-Angle Outlets No
Nominal Input Voltage(s) Supported 120V AC
Recommended Electrical Service 120V
Input Connection Type NEMA 5-15P input plug
Input Plug Features 120V, 15A
Input Cord Length (ft.) 0
Input Cord Length Details Direct Plug-In
Voltage Compatibility (VAC) 120
Right-Angle Plug No
AC Suppression Joule Rating 1080
AC Suppression Response Time < 1ns
Protection Modes Includes full normal mode (H-N) and common mode (N-G / H-G) line suppression
Clamping Voltage (RMS) 500
UL1449 Let Through Rating 500, 400, 500
Immunity Conforms to IEE 587/ANSI C62.41
Telephone/DSL Protection No
Cable (Coax) Protection No
Network (Ethernet) Protection No
Unit Dimensions (hwd / in.) 5.50 x 3.88 x 1.77
Unit Weight (lbs.) .70
Material of Construction Plastic
Integrated Keyhole Mounting Tabs Direct plug-in suppressor mounts directly to a wall receptacle
Housing Color Black
Receptacle Color Black
UL1449 3rd Edition (AC Suppression) UL1449 3rd Edition
Approvals RoHS
Product Warranty Period (Worldwide) Lifetime limited warranty
Connected Equipment Insurance (U.S., Canada & Puerto Rico) $25,000 Ultimate Lifetime Insurance


by PowerReviews
Tripp LiteProtect It! Surge Protector with 4 Rotatable Outlets Direct Plug-In 1080 Joules 3.4A USB Charger

(based on 1 review)

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Reviewed by 1 customer

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Versital and convienient surge protector

By Kevin Harris

from Houston, Texas

Verified Buyer

Comments about Tripp Lite Protect It! Surge Protector with 4 Rotatable Outlets Direct Plug-In 1080 Joules 3.4A USB Charger:

I am using this unit for my washer and gas dryer. There seems to be line surges at various times that have hit both appliances damaging circuit boards. This unit with rotating plugs is the ticket to allow me to push both appliances closer to the wall.

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Frequently Asked Questions

A surge protector will protect your electronics by acting as an “electrical sponge” by clamping down on spikes, “soaking them up” and converting the excess energy into heat, thus preventing the spikes from passing through the surge protector into the sensitive electronic devices and damaging them. As with any “sponge” a surge protector has a limited absorption capacity. Once that capacity is reached, the unit is no longer able to protect and must be replaced.
The Grounded or Ground OK LED light is present on select Tripp Lite 120V surge products. The purpose of this indicator light is to confirm that the surge protector is connected to a grounded AC source. If the LED is not lit, then the unit is connected to an AC source that is not grounded. To provide the maximum amount of protection, the Tripp Lite surge protector must be plugged into a grounded AC source.

Here are some reasons why the Grounded or Ground OK LED will not light up:

    -Missing ground wire. (Note: This also includes using a 3-prong to 2-prong adapter.)
    -A severe surge has occurred and the unit absorbed the damage, as designed, to protect connected equipment.
    -The LED is malfunctioning.

Follow these instructions to identify the problem:
1. Remove any equipment still connected to the surge protector.
2. Turn off the surge protector.
3. Check to make sure the circuit breaker is reset.
4. Plug the unit into a working and properly grounded 120V AC power source that provides computer-grade power and is on a different circuit than the one originally used.
5. Toggle the master switch to the On position.

If the Grounded or Ground OK LED does not light up, the unit requires replacement.
Your Tripp Lite surge protector is designed to pass power continuously to the electronic devices plugged into it when used under normal operating conditions as instructed in the owner’s manual.

There are several common reasons why the unit may not pass power:

    -Your unit was hit by a power surge, causing the internal components, as designed, to absorb the damage and protect the connected equipment.
    -The wall outlet to which the unit is connected is not passing power.
    -The surge protector is not fully plugged into an AC source.

Follow these instructions in an attempt to restore normal operation:

1. Remove any equipment still plugged into the unit.
2. Unplug the unit from the AC power source.
3. Check the AC power source by plugging in a different device to verify that the outlet is passing power. If the outlet is working, plug in the surge protector. The surge protector requires a working 120V AC power source that provides computer-grade power.
4. Connect a small device, such as an alarm clock or radio, to the surge protector to test if the unit is passing power.

If you followed these steps and the surge protector is still not passing power, then the unit requires replacement.

Additional FAQs may be available on the SK40RUSBB model support page.


No accessories are available for this model.

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