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Circuit and Surge Protection

Compare power surge protector providers - for home or office - and ensure that your surge protection needs are handled safely and reliably.
Search for Surge Protection
Broad-line distributor web site features real-time stock status and pricing, online ordering, RFQ, technical support, product datasheets and photos.
Home Page | Catalog | New at Digi-Key | Product Education
www.digikey.com  Save My Rating
Industrial Circuit & Surge Protection
Save up to 50% on industrial circuit protection products from Cutler-Hammer & others: Circuit Breakers, Fuses, Supplementary Protectors, & more.
What's New | Home | About Us
www.AutomationDirect.com  Save My Rating
Surge Protectors
We take pride in providing the same quality surge protectors you'd expect to pay top dollar for, but offer them at substantially lower prices.
Component Cable | Digital Audio | Premium RCA cable | Contact Us
www.cablewholesale.com  Save My Rating
Circuit and Surge Protection: LEA International
Surge suppression products for the Transient Voltage Surge Suppression industry. Combines MOV, silicon, series filters and suppression technologies.
www.leaintl.com  Save My Rating
Circuit & Surge Protection - Grainger®
Circuit & Surge Protection from Grainger®. Make Purchasing for Your Business Easier with Grainger's® Online Catalog! Order Online Today.
www.Grainger.com  Save My Rating
Eaton Surge Protectors
Protect Whole House with One Unit Big Savings, Easy Installation!
Shop.BudgetGenerator.net
GlobalSpec.com: Surge Protection
Database of suppliers for surge protectors and power filters. Provides catalogs, technical information and supplier contact information.
www.globalspec.com  Save My Rating
Circuit and Surge Protection: Polyphasercor
Provides lightning protection for CDMA, GSM, UMTS, broadband, power, and customized solutions for remote tower top electronics like RETA's, and TTA's.
www.polyphaser.com  Save My Rating
Serious Surge Protection
MVC-MAXIVOLT Made in USA Since 1988 Panel Mount Protection 12V - 4160V
www.maxivolt.com
Surge Protection In Stock
Wide Selection of Surge Protection Available. Order Online Today!
www.alliedelec.com
Surge
Shop Northern Tool + Equipment. A Top Supplier of 18,000+ Products!
www.NorthernTool.com
Surge Suppressors
100% Surge Protection, 0% Failure. Certified Performance & Endurance.
www.ZeroSurge.com
A-Z Circuit and Surge Protection Provider Directory
1-9 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
A
Industrial Circuit & Surge Protection
Save up to 50% on industrial circuit protection products from Cutler-Hammer & others: Circuit Breakers, Fuses, Supplementary Protectors, & more.
What's New | Home | About Us
www.AutomationDirect.com
C
Surge Protectors
We take pride in providing the same quality surge protectors you'd expect to pay top dollar for, but offer them at substantially lower prices.
Component Cable | Digital Audio | Premium RCA cable | Contact Us
www.cablewholesale.com
Raychem Circuit Protection
Manufacturer of resettable fuses, thyristor surge protectors and protected power switches.
www.circuitprotection.com
Citel
Manufacturer of surge and lightning protection products.
www.citelprotection.com
Cooper Electronic Technologies
Manufacturer of power magnetics, overvoltage and overcurrent circuit protection products.
www.cooperet.com
D
Search for Surge Protection
Broad-line distributor web site features real-time stock status and pricing, online ordering, RFQ, technical support, product datasheets and photos.
Home Page | Catalog | New at Digi-Key | Product Education
www.digikey.com
E
Professional Technical Systems
Manufacturer of transient voltage surge protectors for a wide variety of electronic devices. Equipment protected includes LANs, main panels, sub panels, marine power systems, motor controls, relays, lighting systems, UPS systems, HVAC systems, ...
www.eclipspts.com
F
Filter Concepts
Provider of standard and custom electromagnetic (EMI) filters that allow the customer to meet performance goals.
www.filterconcepts.com
G
GlobalSpec.com: Surge Protection
Database of suppliers for surge protectors and power filters. Provides catalogs, technical information and supplier contact information.
www.globalspec.com
Circuit & Surge Protection - Grainger®
Circuit & Surge Protection from Grainger®. Make Purchasing for Your Business Easier with Grainger's® Online Catalog! Order Online Today.
www.Grainger.com
L
Circuit and Surge Protection: LEA International
Surge suppression products for the Transient Voltage Surge Suppression industry. Combines MOV, silicon, series filters and suppression technologies.
www.leaintl.com
M
MCG Surge Protection
Manufacturer of AC power line and data line protectors. Products are used to guard sensitive microprocessor-based equipment against lightning, transients and surges. Products are sold to the electronics, telecommunications, defense, automation...
www.mcgsurge.com
P
Circuit and Surge Protection: Polyphasercor
Provides lightning protection for CDMA, GSM, UMTS, broadband, power, and customized solutions for remote tower top electronics like RETA's, and TTA's.
www.polyphaser.com
ProTek Devices
Manufacturer of transient voltage surge suppression devices. Products are sold to computer and industrial instrumentation companies and to the military. This company was capitalized by private investment.
www.protek-tvs.com
S
SPD Technologies
Manufacturer of large scale MIL SPEC circuit breakers for use on naval vessels. Products are sold to the Navy.
www.spdtech.com
Staco Energy Products Co.
Manufacturer of voltage regulation and power conditioning equipment including variable transformers, regulators, voltage control equipment, power supplies and uninterruptible power supply systems. Products are sold to multiple industries.
www.stacoenergy.com
Circuit Components Inc. (CCI)
Manufacturer of filtering and surge-suppression solutions for industrial applications.
www.surgecontrol.com
T
Transys Electronics
Manufacturer of telecom, dataline, main power and surge protection.
www.transysprotection.com
Tripp Lite
Manufacturer of electrical surge suppressors, line conditioners, voltage regulators and uninterruptible power supply systems. Products are sold to the computer, electronics, electrical and telecommunications industries and to the government.
www.tripplite.com
W
Wickmann USA
Manufacturer of circuit protection components for applications in consumer electronics, industrial electronics, telecommunications and data processing.
www.wickmannusa.com
Z
Zero Surge
Manufacturer of electrical surge suppressors. The surge suppressors are UL verified, class 1, grade A, mode 1 and patented. Products are sold to multiple industries.
www.zerosurge.com
  • Tripp Lite
Eaton Surge Protectors
Protect Whole House with One Unit Big Savings, Easy Installation!
Shop.BudgetGenerator.net
Serious Surge Protection
MVC-MAXIVOLT Made in USA Since 1988 Panel Mount Protection 12V - 4160V
www.maxivolt.com
Surge Protection In Stock
Wide Selection of Surge Protection Available. Order Online Today!
www.alliedelec.com

Judy Artunian plugs you into the world of power surge protectors.

Guide to Surge Protectors and Surge Suppressors

Keep your electronic equipment safe from electrical surprises


 
 

Surge Protector Tips

  • Know your needs. Some devices have surge protection built in.
  • Be comprehensive. Surge protection isn't just for computers.
  • Location, location, location. Consider all-weather for surge protectors when needed.
 
 
There is nothing like the abrupt meltdown of a company’s computer system to bring out the raging maniac in all of us. But before you take out your maniacal rage on the computer manufacturer, check to see if your system is connected to a surge protector. Computers, phones and other electronic equipment can be seriously damaged when a sudden change in electricity demand sends a surge of excess voltage through your building’s electrical utility lines and phone lines. Surge protectors (also called surge suppressors—more on that later) connect to your equipment and your wall outlet. They save your devices by keeping most of the excess voltage from reaching the devices. The damaging surges and spikes (which don’t last as long as surges) can happen when an air conditioner or other motor-driven equipment switches on or off. Surges and spikes can also be triggered by lighting storms and when your utility company switches power from one area of the power grid to another.

Although the terms surge suppressor and surge protector are often used interchangeably to refer to the same type of product, true surge protectors usually lose their surge-protection ability after they’re hit by a single electrical surge. This guide doesn’t cover that type of surge protector. To make sure you’re getting the protection you need, check the product’s capabilities before you buy.

Look for these important surge protector and surge suppressor features:
  1. A high joule rating. The joule rating tells you how much energy it can absorb. When your suppressor reaches its capacity, it can’t protect your equipment. The higher the rating, the longer the suppressor will last.
  2. A low clamping voltage rating. That tells you how much voltage the suppressor will send to your devices before diverting the voltage to the ground.
  3. An alarm or light that alerts you when your surge suppressor has stopped working and needs to be replaced.


Action Steps for Surge Protector Shopping

The best contacts and resources to help you get it done

Power Surge Protector Action Step All-in-one surge protectors and surge suppressors Save space and money by safeguarding several devices with a single, multiple-outlet surge suppressor. You can also buy a surge protector power strip, but make sure it offers sufficient protection. For the most versatile protection, install surge suppressors that protect your equipment from power surges that shoot through your phone, cable and data lines as well as your electrical lines.

I recommend:  Look for a workhorse such as Belkin’s 8-Outlet SurgeMaster Maximum.

Power Surge Protector Action Step Specialized surge protectors and surge suppressors If every outlet in your multiple-outlet surge suppressor is taken or you need to protect specific types of equipment, look for more specialized surge suppressors.

I recommend:  At PhoneGeeks.com you’ll find surge protection to fit a variety of phone systems. Surgeassure’s SAV1 is designed to keep your cable modem service from conking out due to electrical skips and surges (it also protects your cable TV service, not that you’re watching “The Price is Right” at work). APC and ACData Solutions offer surge protectors for data centers and industrial equipment. Business.com also provides dedicated listings for fuses and circuit breaker accessories and enclosures.

Power Surge Protector Action Step Wild weather surge protectors and surge suppressors Do your computers and lights often go “poof” due to lightening or high winds? If so, you need an outside surge suppressor. These devices, also called surge arrestors, are designed to safeguard your equipment from electrical damage caused by the elements. Some also protect phone and cable lines. They don’t replace your indoor surge protection however, so be sure you’re covered from the inside out.

I recommend:  NoOuttage.com offers a variety of outside surge protectors for commercial applications. If you have a home office, check out the Siemens Circuit Breaker and Secondary Surge Arrester. You’ll also find sources for outside surge suppressors at Business.com.

Tips & Tactics for Picking Surge Protectors

Helpful advice for making the most of this Guide
  • For maximum protection, look for power surge protectors that are equipped with power shut-down protection. This feature ensures that your equipment is protected even after your surge suppressors reach their capacity.
  • It’s not just devices such as computers, copiers and phones that need surge protection. Be sure to safeguard equipment like security systems and barcode scanners.
  • Surge suppressors won’t save equipment from major lightning strikes that hit close to your building. During a heavy thunderstorm, you’re better off unplugging your computers and other equipment.

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Guide to Surge Protectors and Surge Suppressors
Guide author
By Judy Artunian
Industrial Goods & Services
User Rating
9.5
out of 10
Keep your electronic equipment safe from electrical surprises.
There is nothing like the abrupt meltdown of a company’s computer system to bring out the raging maniac in all of us. But before you take out your maniacal rage on the computer manufacturer, check to see if your system is connected to a surge protector. Computers, phones and other electronic equipment can be seriously damaged when a sudden change in electricity demand sends a surge of excess voltage through your ... Read more

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