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Black Box SP427A Ethernet Data Isolator - 10/100/1000 Mbps TX - 4 kV Isolation - Dual RJ-45 Ports

SKU: SP427A
UPC: 93007351756
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MSRP: $320.80
$320.80
$265.95
Save: $54.85 (17.10%)
Warranty Information: 1 Year
Condition: New
Width: 5.08 (cm)
Height: 3.81 (cm)
Depth: 5.08 (cm)

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Product Features

Description

Product Overview

The Black Box SP427A Ethernet Data Isolator is a compact, in-line device designed to protect network equipment from damaging ground loops caused by differences in ground potential between connected devices. It maintains reliable Gigabit Ethernet communications across an electrical isolation barrier, ensuring data integrity in sensitive environments.

This surge protector supports 10Base-T, 100Base-TX, and 1000Base-T Ethernet speeds, making it versatile for various network infrastructures. With dual RJ-45 ports and a 4 kV isolation rating, it provides robust protection against electrical surges and interference, safeguarding connected hardware without requiring external power.

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.

In practical terms, this overview should help a buyer understand what the product is, the type of environment it suits, and the core reasons it may be chosen over a more generic alternative. That context is especially useful for business purchasing, where fit, consistency, and ease of use usually matter as much as individual specifications.

Dimensions
Width
2" (50.80 mm)
Depth
2" (50.80 mm)
Height
1.50" (38.10 mm)
Weight
226.8 g
Connectivity & Protection
Receptacles2 x RJ-45
Dataline ProtectionEthernet
Isolation Rating4 kV
Physical Profile
Height1.50" (38.10 mm)
Width2" (50.80 mm)
Depth2" (50.80 mm)
Compliance & Warranty
Environmental ComplianceRoHS, WEEE
Limited Warranty1 Year
Country of OriginUnited States

Technical Overview

The SP427A delivers high-performance data isolation with support for 10/100/1000 Mbps TX Ethernet standards. Its electrical isolation barrier prevents ground loop currents from disrupting network communications, which is critical in industrial, medical, and commercial settings where equipment may be grounded differently.

This device is self-contained and draws power directly from the network and connected equipment, eliminating the need for separate power adapters. The compact design allows for easy installation in tight spaces, and its RoHS compliance ensures it meets environmental standards for hazardous substances.

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.

A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.

Weight226.8 g
Isolation Voltage4 kV
Port Count2
Gigabit EthernetIn-line InstallationNetwork-Powered

Key Product Advantages

The SP427A offers significant advantages for network protection and reliability. Its high isolation rating and compatibility with multiple Ethernet speeds make it a dependable solution for preventing equipment damage and data loss.

These strengths make the product easier to deploy and manage in real environments, especially where reliability, usability, and day-to-day operational continuity matter. Notable benefits include Ground Loop Protection, Compact and Efficient, Environmental Compliance.

Ground Loop Protection

Eliminates harmful ground potential differences that can cause equipment failure and data corruption.

  • Prevents electrical surges
  • Maintains signal integrity

Compact and Efficient

Small footprint and network-powered operation reduce installation complexity and energy consumption.

  • No external power needed
  • Easy to deploy in confined spaces

Environmental Compliance

Meets RoHS and WEEE directives, ensuring safe and sustainable use in regulated markets.

  • Hazardous substance restricted
  • E-waste compliant

Deployment / Use Cases

The Black Box SP427A is ideal for environments where network equipment is exposed to varying electrical grounds or surge risks. Its robust isolation capabilities make it suitable for industrial automation, medical device networks, and commercial IT infrastructure.

Common applications include protecting switches, routers, and servers in data centers, manufacturing plants, and healthcare facilities. The device can be installed in-line between network segments to isolate sensitive equipment from electrical noise and ground loop issues.

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.

Industrial Networks

Safeguards PLCs, sensors, and control systems from ground loop interference in factory settings.

Medical Equipment

Ensures reliable Ethernet connections for diagnostic devices and patient monitoring systems.

Physical Profile

Measuring 1.50" x 2" x 2" (38.10 mm x 50.80 mm x 50.80 mm) and weighing approximately 226.8 grams, the SP427A features a compact, durable design. Its small size allows for flexible mounting options, such as on racks, walls, or directly inline with Ethernet cables, without occupying significant space.

The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 1.50" (38.10 mm), 2" (50.80 mm), 2" (50.80 mm), 226.8 g. This helps confirm rack, shelf, desk, or cabinet fit before installation.

Dimensions
Width
2" (50.80 mm)
Depth
2" (50.80 mm)
Height
1.50" (38.10 mm)
Weight
226.8 g
[custom-highlights]

Highlights

  • Protects equipment from damaging ground loops caused by ground potential differences.
  • Maintains Gigabit Ethernet communications across a 4 kV electrical isolation barrier.
  • Supports 10/100/1000 Mbps TX Ethernet speeds for versatile network compatibility.
  • Features dual RJ-45 ports for easy in-line installation between devices.
  • Compact and self-contained design with no external power required.
  • Draws power directly from the network and connected equipment.
  • RoHS compliant and meets WEEE directives for environmental safety.
  • Manufactured in the United States with a 1-year limited warranty.
[/custom-highlights][custom-specifications]

Specifications

Specifications
ManufacturerBlack Box Corporation
Manufacturer Part NumberSP427A
Brand NameBlack Box
Product ModelSP427A
Product NameEthernet Data Isolator, 10Base-T/100Base-TX/1000Base-T
Product ConditionNew
Product TypeSurge Suppressor/Protector
Technical Information
Receptacles2 x RJ-45
Dataline ProtectionEthernet
Physical Characteristics
Height1.50" (38.10 mm)
Width2" (50.80 mm)
Depth2" (50.80 mm)
Weight (Approximate)226.8 g
Miscellaneous
Country of OriginUnited States
Environmentally FriendlyYes
Environmental ComplianceRestriction of Hazardous Substances (RoHS),Waste Electrical and Electronic Equipment Directive (WEEE)
Warranty
Limited Warranty1 Year
[/custom-specifications][custom-faq]

FAQ

What is the primary function of the Black Box SP427A Ethernet Data Isolator?

The SP427A protects network equipment from ground loops by providing 4 kV electrical isolation between connected devices. It prevents damage and data corruption caused by differences in ground potential, ensuring reliable Gigabit Ethernet communications in sensitive environments like industrial or medical networks.

What Ethernet speeds does the SP427A support?

This data isolator supports 10Base-T, 100Base-TX, and 1000Base-T Ethernet standards, covering speeds from 10 Mbps to 1000 Mbps (Gigabit). This compatibility makes it suitable for a wide range of network infrastructures, from legacy systems to modern high-speed setups.

How is the SP427A powered?

The device is self-contained and draws power directly from the network and connected equipment, eliminating the need for external power adapters. This simplifies installation and reduces energy consumption, making it ideal for in-line deployment without additional wiring.

What are the physical dimensions and weight of the SP427A?

The SP427A measures 1.50" in height, 2" in width, and 2" in depth (38.10 mm x 50.80 mm x 50.80 mm), with an approximate weight of 226.8 grams. Its compact design allows for flexible mounting in tight spaces, such as on racks or alongside network cables.

Is the SP427A environmentally compliant?

Yes, it is RoHS (Restriction of Hazardous Substances) compliant and meets WEEE (Waste Electrical and Electronic Equipment) directives. This ensures the device restricts hazardous materials and adheres to e-waste regulations, making it suitable for use in markets with strict environmental standards.

What warranty does the Black Box SP427A come with?

The SP427A includes a 1-year limited warranty from the manufacturer. It is also manufactured in the United States, providing assurance of quality and support for reliable performance in network protection applications.

What power capacity is listed for this UPS?

Power specifications help show where the unit fits best, including the type of load level, electrical environment, and backup role it is intended to support. These are usually the most decision-critical facts in a UPS or power-protection comparison.

Is this unit designed for rack or tower deployment?

For power-protection products, the most useful FAQ topics are usually capacity, outlet arrangement, runtime characteristics, and installation format. Those details do more to explain real deployment fit than generic marketing language.

[/custom-faq]
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Black Box SP427A Ethernet Data Isolator - 10/100/1000 Mbps TX - 4 kV Isolation - Dual RJ-45 Ports
MSRP: $320.80
$320.80
$265.95
Save: $54.85 (17.10%)
Out of stock