Essential Surge Protectors


$7.99 MSRP 
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  • Surge suppression: 500 J
  • Volts: 125 V
  • Plug type: NEMA 5-15P
  • Plug style: Wall tap
  • Outlet type: 3 NEMA 5-15R
  • EMI/RFI Filtration: Yes
  • Warranty: Limited lifetime
  • Connected Equipment Guarantee: $45,000

Product Overview

The Essential Surge Protector B300WRC1 offers vital surge protection for common home and office devices such as computers and electronics. It prevents spikes in energy caused by storms and electrical power surges from reaching your electronic equipment. The B300WRC1 provides 500 joules of protection, 3 outlets, and a wall tap plug.

Features of the B300WRC1 include LED status indicators, and impact-resistant casing. This compact surge suppressor comes with a Limited Lifetime Warranty and a Connected Equipment Guarantee.

Product Features
  • Surge Protection
    Diverts excess voltage away from sensitive electronic equipment during an AC power surge or power spike to prevent damage.
  • Metal Oxide Varistor (MOV) Technology
    Allows normal current to pass through the device, while diverting any surges/spikes through the ground circuit, to safeguard connected electronics and the surge suppressor.
  • Wall Tap Plug
    Enables the model to be plugged directly into a wall outlet without a power cord.
  • LED Indicators
    Light to indicate the model’s status.
  • Impact-Resistant Casing
    Ensures maximum durability and prolongs the life of the model.
  • Connected Equipment Guarantee
    CyberPower will repair or replace properly connected equipment if it is damaged by a power surge.
  • Limited Lifetime Warranty
    Covers defects in materials and workmanship in the product under normal use and conditions. See warranty for details.
Expand All
Type Essential
Voltage 125V
Switch N/A
Circuit Breaker N/A
Plug Type NEMA 5-15P
Plug Style Direct plug-in pings
Outlets – Total 3
Outlet Type NEMA 5-15R
Outlets – Widely Spaced 0
Surge Protection & Filtering
Surge Suppression 500 Joules
Maximum Surge Voltage TBA Volts
Maximum Surge Current 150,000 Amps
Maximum Surge Current H-N 150,000 Amps
Maximum Surge Current H-G N/A
Maximum Surge Current N-G N/A
Clamping Voltage 800V (L-N)
Response Time < 1 nanosecond
EMI/RFI Filtration N/A
Attenuation N/A
Phone Protection RJ11 N/A
Ethernet Protection RJ45 N/A
Coax Protection RG6 (Gold Plated) N/A
LED Protected (green)
Form Factor Wall Tap
Enclosure Construction ABS
Color White
Keyhole Mounting Slots N/A
Cord Management N/A
Safety Covers Yes
Physical Size
Dimensions (WxHxD) (in.) 3.74 x 2.15 x 2.15
Dimensions (WxHxD) (mm.) 94.97 x 54.61 x 54.61
Weight (lbs.) 0.19
Weight (kg.) 0.09
Shipping Dimensions
Dimensions (WxHxD) (in.) 2.28 x 2.26 x 3.90
Dimensions (WxHxD) (mm.) 57.91 x 57.40 x 99.06
Weight (lbs.) 0.24
Weight (kg.) 0.11
Safety UL498, UL1449 3rd Edition, cUL
Environmental RoHS Compliant
Product Warranty Limited Lifetime
Connected Equipment Guarantee Yes
CEG Amount $45,000
Feature Focus
Why Do I Need A Surge Protector?

Utility power supplied to electrical outlets is sometimes inconsistent. The short-duration voltage surges or spikes that occasionally happen can damage components in electronic devices such as computers and workstations. In addition to equipment damage, irretrievable data loss may occur. In the U.S., the nominal or standard voltage supplied to household and office wiring is 120 volts. A voltage surge or spike can cause electronic components to overheat, either immediately destroying them or causing permanent damage that can lead to premature failure.

A surge protector or surge suppressor provides protection against power surges. This device is located in the power circuit between the utility power outlet and the connected electronic equipment. Surge protectors work by diverting excess voltage to the ground, allowing only the nominal voltage to travel through the wiring to connected devices. This is accomplished using a variable resistance component in the surge protector called a metal oxide varistor (MOV). Under normal voltage conditions, the resistance of the MOV is such that it remains closed. As utility voltage increases beyond nominal, the MOV resistance decreases accordingly which forces the unwanted overvoltage to ground, maintaining a constant flow of nominal voltage to sensitive electronic equipment.



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Surge Protector Education

Surge Protector Education