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Black Box SP426A Data Isolator - 4kV Surge Protection - 10/100BASE-TX Ethernet - 2 x RJ-45 Ports - Compact Design

SKU: SP426A
UPC: 822088117711
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MSRP: $219.04
$219.04
$168.99
Save: $50.05 (22.85%)
Warranty Information: 1 Year
Condition: New
Width: 5.10 (cm)
Height: 3.80 (cm)
Depth: 5.10 (cm)

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Product Features

Description

Product Overview

The Black Box SP426A Data Isolator delivers robust 4kV surge protection specifically engineered for 10/100BASE-TX Ethernet networks. This compact, self-contained unit safeguards connected equipment from damaging voltage spikes and transients that can travel along data lines, ensuring network reliability and protecting valuable hardware investments.

Designed for straightforward in-line installation, the isolator draws power directly from the network and connected equipment, eliminating the need for external power supplies or complex setup. Its small footprint and lightweight construction make it ideal for deployment in space-constrained environments such as network closets, server racks, or office workstations where reliable data line protection is essential.

Dimensions
Width
2.01" (51 mm)
Depth
2.01" (51 mm)
Height
1.50" (38 mm)
Weight
200 g
Protection & Connectivity
Dataline ProtectionEthernet
Receptacles2 x RJ-45
Protection Rating4 kV
Physical Profile
Height1.50" (38 mm)
Width2.01" (51 mm)
Depth2.01" (51 mm)
Compliance & Warranty
Environmental ComplianceRoHS
Limited Warranty1 Year
Country of OriginUnited States

Technical Overview

This data isolator provides dedicated Ethernet dataline protection, targeting the common 10BASE-T and 100BASE-TX network standards. The 4 kV protection rating offers a substantial defense against electrical surges, while the dual RJ-45 ports facilitate simple pass-through connectivity for network cables.

The unit's technical design emphasizes reliability and compliance. It meets the European Medical Device Directive (EN6060-1), underscoring its suitability for sensitive environments. The RoHS compliance ensures it is manufactured without hazardous substances, aligning with modern environmental standards for electronic equipment.

This section brings together practical product details such as Receptacles, Dataline Protection, Height, Width, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.

Protection Rating4 kV
Port Count2 x RJ-45
Weight200 g
10/100BASE-TXIn-line InstallationRoHS Compliant

Key Product Advantages

The SP426A combines effective surge protection with a practical, user-friendly design that requires minimal configuration and no external power. Its compact form factor and self-contained operation make it a versatile addition to any network infrastructure seeking enhanced data line security.

Compact & Self-Contained

The isolator's small dimensions (1.50" H x 2.01" W x 2.01" D) and integrated design allow for easy placement in tight spaces without requiring additional power sources or mounting hardware.

  • Draws power from network/equipment
  • Lightweight 200 g construction

Robust Protection & Compliance

Delivers 4 kV surge protection for Ethernet lines and adheres to key industry standards, including RoHS and EN6060-1, ensuring both performance reliability and environmental responsibility.

  • 4 kV protection rating
  • Meets EN6060-1
  • RoHS compliant

Deployment / Use Cases

The Black Box Data Isolator is ideally deployed in any scenario where Ethernet-connected equipment requires protection from electrical surges. Its in-line design makes it particularly effective for point-of-use installation directly before sensitive devices such as computers, switches, routers, or IP phones.

Common use cases include protecting network infrastructure in small to medium offices, retail POS systems, healthcare environments where compliance with medical device directives is beneficial, and industrial settings where electrical noise or surges are a concern. The unit's compact size also makes it suitable for use within rack-mounted environments or crowded network panels.

Office & Commercial Networks

Install before workstations, network switches, or VoIP phones to shield them from power surges that can travel over Ethernet cabling, reducing downtime and hardware replacement costs.

Sensitive & Compliant Environments

The EN6060-1 compliance makes this isolator a consideration for medical, laboratory, or other sensitive installations where equipment protection and regulatory adherence are priorities.

Physical Profile

The isolator features a compact, rectangular enclosure measuring 1.50 inches in height, 2.01 inches in width, and 2.01 inches in depth (38 mm x 51 mm x 51 mm), with an approximate weight of 200 grams. This small, lightweight design allows for flexible placement—it can be laid on a surface, mounted with optional accessories, or simply left in-line with network cables without occupying significant space. The sturdy construction is built to withstand typical office or light industrial environments.

Dimensions
Width
2.01" (51 mm)
Depth
2.01" (51 mm)
Height
1.50" (38 mm)
Weight
200 g
[custom-highlights]

Highlights

  • Provides 4 kV surge protection for 10/100BASE-TX Ethernet networks
  • Compact, self-contained design with dimensions of 1.50" H x 2.01" W x 2.01" D
  • Features 2 x RJ-45 ports for simple in-line installation
  • Draws power from the network and connected equipment—no external power required
  • Meets European Medical Device Directive (EN6060-1) for use in sensitive environments
  • RoHS compliant, manufactured without hazardous substances
  • Manufactured in the United States
  • Backed by a 1-year limited warranty
[/custom-highlights][custom-specifications]

Specifications

Specifications
ManufacturerBlack Box Corporation
Manufacturer Part NumberSP426A
Brand NameBlack Box
Product ModelSP426A
Product NameData Isolator 10BASE-T/100BASE-TX 4kV
Product ConditionNew
Product TypeSurge Suppressor/Protector
Technical Information
Receptacles2 x RJ-45
Dataline ProtectionEthernet
Physical Characteristics
Height1.50" (38 mm)
Width2.01" (51 mm)
Depth2.01" (51 mm)
Weight (Approximate)200 g
Miscellaneous
Country of OriginUnited States
Environmentally FriendlyYes
Environmental ComplianceRestriction of Hazardous Substances (RoHS)
Warranty
Limited Warranty1 Year
[/custom-specifications][custom-faq]

FAQ

What type of network does the SP426A Data Isolator protect?

The SP426A is designed to protect 10BASE-T and 100BASE-TX Ethernet networks. It provides surge protection specifically for data lines carrying these common Ethernet standards, safeguarding connected devices like computers, switches, and routers from voltage spikes.

What is the protection rating of this data isolator?

This data isolator offers a 4 kV (4000 volt) protection rating. This rating indicates its capacity to suppress electrical surges up to that voltage level, providing a robust defense against transient voltage spikes that can damage sensitive network equipment.

How is the SP426A installed and powered?

The SP426A is installed in-line with your Ethernet cable. You simply connect one RJ-45 port to your network source and the other to the device you wish to protect. It is self-contained and draws the minimal power it needs directly from the network and the connected equipment, eliminating the requirement for an external power adapter or outlet.

What are the physical dimensions and weight of the unit?

The isolator is compact, measuring 1.50 inches in height, 2.01 inches in width, and 2.01 inches in depth (38 mm x 51 mm x 51 mm). It weighs approximately 200 grams. This small, lightweight form factor makes it easy to deploy in tight spaces like network cabinets, behind desks, or within server racks.

Does this product meet any specific compliance or environmental standards?

Yes, the SP426A is Restriction of Hazardous Substances (RoHS) compliant, meaning it is manufactured without certain hazardous materials. It also meets the European Medical Device Directive (EN6060-1), which can be relevant for deployments in medical or other sensitive environments requiring such compliance.

What warranty coverage does Black Box provide for the SP426A?

Black Box backs the SP426A Data Isolator with a 1-year limited warranty. This warranty covers defects in materials and workmanship under normal use, providing assurance of the product's quality and reliability for the first year of operation.

[/custom-faq]
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Black Box SP426A Data Isolator - 4kV Surge Protection - 10/100BASE-TX Ethernet - 2 x RJ-45 Ports - Compact Design
MSRP: $219.04
$219.04
$168.99
Save: $50.05 (22.85%)
Out of stock