Tripp-Lite ULTRABLOK | Isobar 2-Outlet Surge Protector, Direct Plug-In, 1410 Joules, Diagnostic LEDs, Black Metal Housing
Tripp-Lite ULTRABLOK | Isobar 2-Outlet Surge Protector, Direct Plug-In, 1410 Joules, Diagnostic LEDs, Black Metal Housing

Tripp-Lite ULTRABLOK | Isobar 2-Outlet Surge Protector, Direct Plug-In, 1410 Joules, Diagnostic LEDs, Black Metal Housing

Tripp-Lite Tri 2 Outlets Direct Plug-In 600 Joules
Part Number: 381594
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Retail Price:$52.34
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Premium protection for A/V home theater components and computer peripherals against dangerous power surges, spikes and line noise.


  • 1410-Joule Surge Protection for Your Home Theater and Office Electronics
  • Protects your components against surges and spikes
  • Full normal mode (H-N) and common mode (N-G/H-G) line surge suppression
  • 2 NEMA 5-15R surge-protected outlets
  • Exceeds IEEE 587 Category A and B surge suppression specifications
  • Premium Safety Features
  • Automatic shutoff permanently cuts power to outlets if protection circuit is incapacitated, preventing equipment damage and indicating replacement is required
  • Diagnostic LEDs confirm power, protection and ground status at a glance
  • Conforms to current UL 1449 3rd Edition safety standards
  • Fits Effortlessly Into Your Setup
  • Plugs directly into standard NEMA 5-15R outlet with no power cord
  • Optional hardware included for permanent mounting to outlet cover
  • Metal housing designed for long life
  • Backed by Tripp Lite’s Ultimate Lifetime Insurance
  • $10,000 Ultimate Lifetime Insurance covers any connected components damaged by power surge (U.S., Canada and Puerto Rico only)


  • 2 NEMA 5-15R surge-protected outlets
  • 1410-joule surge protection rating
  • Durable metal housing mounts out of sight behind furniture
  • 15A resettable circuit breaker prevents dangerous overloads
  • Plugs directly into outlet with no power cord

Package Includes

  • ULTRABLOK Isobar 2-Outlet Surge Protector, Black Metal Housing
  • Mounting hardware
  • Owner’s manual


UPC Code37332010476.0


Nominal Input Voltage(s) Supported120V AC
Recommended Electrical Service120V (110-125V)
Input Cord Length DetailsDirect plug-in
Voltage Compatibility (VAC)120
Input Plug TypeNEMA 5-15P
Input Cord Length (ft.)0


Frequency Compatibility50 / 60 Hz
Output (Watts)1800
Output Receptacles(2) 5-15R
Circuit Breaker (amps)15
Right-Angle OutletsNo

User Interface, Alerts & Controls

Diagnostic LED(s)Yes
Diagnostic LED DetailsPROTECTION PRESENT (green), LINE FAULT (red) and LINE OK (green)

Surge / Noise Suppression

AC Suppression Joule Rating1410
AC Suppression Response TimeNM = 0 ns. CM = <1 ns

Dataline Surge Suppression

Telephone/DSL ProtectionNo
Cable (Coax) ProtectionNo
Network (Ethernet) ProtectionNo


Antimicrobial CoatingNo
Form Factors SupportedDirect plug-in format with retaining bracket supports wall mounting directly to a standard AC wall socket
Housing ColorBlack
Included Mounting AccessoriesMounting hardware
Integrated Keyhole Mounting SlotsNo
Material of ConstructionMetal
Receptacle ColorBlack
Shipping Dimensions (hwd / in.)5.40 x 2.60 x 3.90

Special Features

Rotatable OutletsNo

Standards & Compliance

CanadaApproved for Canada by ETL
ApprovalsExceeds IEEE 587 category A&B specifications
UL1449 3rd Edition (AC Suppression)Tested to UL1449 3rd Edition by ETL


Product Warranty Period (Worldwide)Lifetime limited warranty
Connected Equipment Insurance (U.S.; Canada & Puerto Rico)$10,000 Ultimate Lifetime Insurance

Documents and Downloads

Owner's Manual for Isobar Direct Plug-In Surge SuppressorsClick to View
Owner's Manual for Direct Plug-In Surge Suppressors (Multi-language)Click to View
Surge Protectors and Power Strips BrochureClick to View
Surge Protector & Power Strip Specification Brochure (English)Click to View
Surge Protector Buying GuideClick to View
Product VideosClick to View
Download images for this productClick to View

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