Surge Protectors

A surge protector is a device intended to protect electrical equipment from transient overvoltage events, commonly known as power surges. Such events may be caused by lightning activity, utility-grid switching operations, large motor loads, or other disturbances occurring on electrical systems.

Surge protectors have been sold in many forms, including outlet strips, wall-mounted devices, telephone protectors, network protectors, and whole-house protection systems. Consumer surge protectors became increasingly common during the personal-computing era as home and office users sought to protect computers, peripherals, modems, networking equipment, and other sensitive electronic devices.

The examples documented by OldSurge.com span more than three decades of surge-protection technology and provide an opportunity to examine changing designs, evolving safety practices, different suppression methods, and the long-term evolution of major product families.

---

Manufacturers

• ACE
• Amazon Basics
• APC
• Belkin
• Curtis
• CyberPower
• Gemini
• Generic
• Radio Shack
• Staples
• Tripp Lite
• Universal
• Yun

Notable Product Families

Several surge-protector product families documented by the archive underwent substantial changes during their production histories. The APC SurgeArrest Professional series is particularly notable because multiple examples spanning more than two decades have been preserved and documented, permitting direct comparison of construction techniques, circuit revisions, manufacturing practices, and product evolution.

• APC SurgeArrest
• Belkin SurgeMaster
• Belkin Gold Series
• Tripp Lite Isobar
• Tripp Lite SPIKE BAR
• Panamax MAX Series
• Monster PowerCenter

Models in the Archive

Amazon Basics

• Amazon Basics
  • Amazon Basics 270103-B

APC

• APC
  • APC SurgeArrest Professional
    • APC SurgeArrest Professional PRO7 (Z94030204087)
    • APC SurgeArrest Professional PRO7 (Z96030204796)
    • APC SurgeArrest Professional PRO7 (Z98010201706)
    • APC SurgeArrest Professional PRO7 (Z99080215662)
    • APC SurgeArrest Professional PRO7 (2Z0250P17876)
    • APC SurgeArrest Professional PRO7 (4Z0842P07546)
    • APC SurgeArrest Professional PRO7 (7Z1714L05335)

Belkin

• Belkin
  • Belkin SurgeMaster F9H710-06

Curtis

• Curtis
  • Curtis SP-600

CyberPower

• CyberPower
  • CyberPower P704URC1

Gemini

• Gemini
  • Gemini Surge Model VG307

Radio Shack

• Radio Shack
  • Radio Shack 61-2140 Appliance Surge Protector

Staples

• Staples
  • Staples 33895-US

Tripp Lite

• Tripp Lite
  • Tripp Lite SPIKE BAR SK6-6

Universal

• Universal
  • Universal 71632
  • Universal 71637
  • Universal 71641 (Yellowed Example)
  • Universal 71641 (Lightly Yellowed Example)

Yun

• Yun
  • Yun YY-6CS

Historical References

• PC Magazine References

Historical Notes

Surge protectors evolved significantly as personal computers, modems, networking equipment, and consumer electronics became increasingly common during the 1980s and 1990s. Products that initially provided simple AC surge suppression gradually incorporated additional filtering, diagnostic features, telephone protection, network protection, coaxial protection, and power-management functions.

Many early devices relied primarily on metal-oxide varistors (MOVs), while later products incorporated additional filtering, telephone protection, network protection, status indicators, cable-management features, uninterruptible power supplies (UPSs), and power-conditioning technologies.

The examples documented by OldSurge.com span several generations of surge-protection technology, ranging from late-1980s surge suppressors through modern consumer products incorporating USB charging capability, advanced indicator systems, and contemporary surge-suppression designs.

Documented examples include products manufactured or assembled in multiple countries and represent a broad range of designs, from simple consumer surge strips to feature-rich computer and office surge protectors. Both functional and non-functional examples have been preserved to document construction techniques, failure modes, and long-term aging characteristics.

Documented examples include conventional surge strips, direct-plug wall-mounted surge protectors, relocatable power taps, telephone-protection models, coaxial-protection models, and modern surge protectors incorporating USB charging capability.

Documented examples have revealed substantial variation within seemingly identical product families. For example, documented APC SurgeArrest Professional PRO7 specimens manufactured between 1994 and 2017 incorporate at least five distinct suppression-board generations, multiple branding changes, differing attachment-plug designs, revised manufacturing practices, and measurable weight reductions while retaining a remarkably consistent external appearance.

Documented Product Evolution

The archive places particular emphasis on documenting product evolution through multiple examples of the same model family. Comparing products manufactured across many years can reveal changes in suppression circuitry, component selection, manufacturing methods, branding, safety features, and overall construction that are often absent from contemporary manufacturer literature.

Examples currently documenting long-term product evolution include the APC SurgeArrest Professional PRO7 family and multiple Universal surge-protector models.

Collector Notes

Devices documented on OldSurge.com are presented for historical, educational, and collecting purposes.

Older surge protectors may no longer provide their original level of protection and should not be relied upon to protect modern electronics without appropriate inspection and testing.

See Also

• Power Strips
• UPS Systems
• PC Magazine References