Introduction
The 4-Ports USB 3.0 HUB B-04A provides a straightforward way to expand USB connectivity for modern computers, industrial systems, and professional equipment. However, a host system may have a limited number of available USB ports, making it difficult to connect several peripherals at the same time.
The 4-Ports USB 3.0 HUB B-04A provides a straightforward way to expand USB connectivity while offering features designed for durable and organized installations. Equipped with four USB 3.0 ports, the B-04A supports data transfer speeds of up to 5Gbps, making it suitable for compatible high-speed USB devices.
Unlike a basic desktop USB hub, the B-04A features a rugged metal casing and a DIN rail mounting bracket, making it particularly useful where secure installation and durability are important. It also includes over-current protection to help protect connected devices from excessive current conditions.
With its plug-and-play design, users can set up the hub quickly without complicated installation procedures or special configuration.
What Is the 4-Ports USB 3.0 HUB B-04A?
The B-04A is a compact four-port USB 3.0 hub designed to provide additional USB connectivity for compatible host systems.
A USB hub allows multiple USB devices to connect through a single host connection. Instead of relying only on the USB ports built into a computer or other system, users can connect the B-04A and gain access to four additional USB 3.0 ports.
The B-04A combines connectivity with a rugged physical design. Its metal casing provides durability, while the included DIN rail mounting bracket supports organized installation in suitable environments.
Main Features
- Four USB 3.0 ports
- Data transfer speeds up to 5Gbps
- Rugged metal casing
- DIN rail mounting bracket
- Over-current protection
- Plug-and-play operation
- Compact multi-port USB connectivity
Key Specifications
| Feature | Specification |
| Model | B-04A |
| Product Type | 4-Ports USB 3.0 HUB |
| USB Ports | 4 |
| USB Standard | USB 3.0 |
| Maximum Data Transfer Speed | Up to 5Gbps |
| Enclosure | Rugged metal casing |
| Mounting | DIN rail mounting bracket |
| Protection | Over-current protection |
| Setup | Plug and play |
| Primary Function | USB connectivity expansion |
| Categories | All Product, Data & Hub, USB 3.0 HUB |
The supplied specifications do not state details such as power-input requirements, individual port power output, dimensions, operating temperature range, or cable length. These specifications should be confirmed separately when they are required for a particular installation.
Four USB 3.0 Ports for Expanded Connectivity
The B-04A provides four USB 3.0 ports, giving users additional connectivity for compatible USB peripherals.
Four ports can be useful for a variety of workstation and technical setups where several USB devices need to remain connected simultaneously.
Depending on the host system and connected equipment, the additional ports can be used for devices such as:
- USB storage devices
- Flash drives
- USB adapters
- Cameras
- Input peripherals
- Data-transfer devices
- Other compatible USB equipment
The exact supported devices and power requirements should always be considered before installation.
Up to 5Gbps Data Transfer Speeds
One of the main advantages of the B-04A is its stated support for data transfer speeds of up to 5Gbps.
USB 3.0 was developed to provide higher data-transfer capability than earlier USB standards. This makes the B-04A useful for applications where transferring data between compatible USB devices and the host system is important.
For example, users working with external storage or other high-speed USB peripherals can benefit from a USB 3.0 connection.
However, 5Gbps is a maximum interface data rate, rather than a guarantee that every real-world file transfer will reach 5Gbps.
Actual transfer performance can be affected by:
- Host computer performance
- Connected USB device
- USB cable quality and specification
- Storage-device performance
- Software
- File sizes
- Other connected devices
For best results, the host, peripheral, and cable should all support the required USB 3.0 capabilities.
Rugged Metal Casing for Durability
The B-04A features a rugged metal casing designed to provide extra durability.
A durable enclosure can be especially useful in professional installations where equipment needs to remain securely positioned and protected during regular operation.
Compared with lightweight consumer-style plastic hubs, a rugged metal casing can provide a more substantial physical structure for fixed installations.
The metal construction also complements the B-04A’s DIN rail mounting capability, making it suitable for organized technical setups.
DIN Rail Mounting for Easy Installation
The B-04A includes a DIN rail mounting bracket, allowing it to be installed on a suitable DIN rail system.
DIN rail mounting is commonly useful when equipment needs to be organized within a fixed installation rather than placed loosely on a desk.
A mounted USB hub can help:
- Keep equipment organized
- Reduce unnecessary cable movement
- Save workspace
- Provide a consistent installation position
- Make USB connectivity easier to manage
Before installation, users should ensure that the DIN rail and mounting arrangement are appropriate for the hub.
Over-Current Protection
The B-04A includes over-current protection to help protect connected devices against excessive current conditions.
This is an important feature in multi-port USB environments because several peripherals may be connected at the same time.
Over-current protection provides an additional layer of protection within the hub’s design. However, it should not be considered a replacement for proper electrical installation practices or for checking the power requirements of connected equipment.
Users should always operate the hub with compatible devices and follow the manufacturer’s installation recommendations.
Plug-and-Play Design
Setting up additional hardware can sometimes involve complicated configuration. The B-04A simplifies the process with a plug-and-play design.
Plug and play means the hub is designed for quick connection and use with a compatible host system without requiring complicated manual configuration.
A typical setup involves:
- Connect the B-04A to the compatible host system.
- Allow the host system to recognize the hub.
- Connect compatible USB devices to the available ports.
- Check that each connected device is detected and functioning correctly.
The exact setup experience can depend on the host operating system and connected devices.
Benefits of the 4-Ports USB 3.0 HUB B-04A
High-Speed USB Connectivity
With support for up to 5Gbps, the B-04A provides high-speed USB 3.0 connectivity for compatible devices.
Four Additional Ports
The four-port configuration provides useful expansion when the host system does not have enough available USB connections.
Durable Construction
The rugged metal casing is designed for additional durability and suits professional installation environments.
DIN Rail Installation
The included DIN rail mounting bracket makes it easier to integrate the hub into suitable mounted equipment arrangements.
Device Protection
Over-current protection helps provide additional protection for connected USB equipment.
Easy Setup
The plug-and-play design makes installation straightforward and convenient.
Applications of the 4-Ports USB 3.0 HUB B-04A
Industrial Workstations Using the 4-Ports USB 3.0 HUB B-04A
Industrial workstations may use multiple USB peripherals for data handling, configuration, monitoring, or equipment management.
The B-04A’s rugged casing and DIN rail mounting make it suitable for installations where secure equipment placement is important.
IT and Technical Workstations
IT professionals and technicians may need several USB connections for storage devices, adapters, peripherals, and diagnostic equipment.
The four additional USB 3.0 ports provide a practical connectivity expansion option.
Data Transfer Environments
The B-04A can be useful where compatible USB 3.0 devices are used for data-transfer tasks.
Its 5Gbps maximum interface rate provides the bandwidth associated with USB 3.0 connectivity, subject to the capabilities of the complete system.
Equipment Installations
DIN rail mounting makes the B-04A suitable for organized equipment installations where a fixed mounting position is preferred.
Commercial Workspaces
Businesses that use multiple USB peripherals can use a multi-port hub to expand connectivity without replacing the host system.
Technical and Testing Environments
Technical teams may use several USB-connected devices during testing, configuration, maintenance, and development workflows.
B-04A vs a Standard USB Hub
| Feature | B-04A USB 3.0 HUB | Basic USB Hub |
| Number of Ports | 4 | Varies |
| USB Standard | USB 3.0 | Varies |
| Maximum Data Speed | Up to 5Gbps | Depends on model |
| Enclosure | Rugged metal | Varies |
| DIN Rail Mounting | Yes | Usually not included |
| Over-Current Protection | Yes | Depends on model |
| Setup | Plug and play | Usually plug and play |
| Typical Positioning | Professional/technical installations | General-purpose use |
The B-04A stands out through its combination of USB 3.0 connectivity, rugged metal construction, DIN rail mounting, and over-current protection.
How to Set Up the B-04A
Step 1: Select the Installation Location
Choose a suitable location near the host system and connected USB equipment.
Step 2: Install the DIN Rail Bracket
If DIN rail mounting is required, install the supplied mounting bracket according to the manufacturer’s instructions.
Step 3: Mount the Hub
Secure the B-04A on the appropriate DIN rail.
Step 4: Connect the Hub
Connect the USB hub to the compatible host system.
Step 5: Connect Your Devices
Connect compatible USB peripherals to the four USB 3.0 ports.
Step 6: Verify Operation
Check that the host system recognizes the connected devices and that they operate as expected.
For high-speed applications, use suitable USB 3.0-compatible cables and peripherals.
Best Practices for Using a USB 3.0 Hub
Use compatible cables: A suitable USB 3.0 cable is important when high-speed data transfer is required.
Check device compatibility: Connected equipment should be compatible with the host system and hub.
Do not expect every transfer to reach 5Gbps: The stated 5Gbps figure is a maximum interface rate. Real-world performance can be lower.
Keep the installation organized: DIN rail mounting can help maintain a clean and structured equipment layout.
Avoid excessive cable stress: Keep connected cables properly routed and avoid unnecessary bending or pulling.
Check power requirements: The supplied specifications do not state individual port power output or the hub’s detailed power requirements, so these should be confirmed when relevant.
Use the correct installation environment: Make sure the selected mounting location and surrounding equipment are appropriate for the product.
What to Consider Before Buying
Number of USB Ports
The B-04A provides four USB 3.0 ports. Make sure four additional connections meet your requirements.
Required Data Speed
If you need high-speed data transfer, verify that the host, connected devices, and cables support USB 3.0.
Mounting Requirements
If the hub will be installed inside a technical or equipment environment, DIN rail mounting can be an important consideration.
Physical Durability
The rugged metal casing makes the B-04A a practical choice when a more durable enclosure is preferred.
Protection
Over-current protection provides an additional protective feature for the USB connection environment.
Power Requirements
The supplied product information does not specify the hub’s power input or per-port power output. These should be verified if the application involves devices with specific power requirements.
Frequently Asked Questions
How many USB ports does the B-04A have?
The B-04A has four USB 3.0 ports.
What is the maximum data transfer speed?
The B-04A supports data transfer speeds of up to 5Gbps.
Is the B-04A compliant with USB 3.0?
Yes. The product is specified as a USB 3.0 hub with four USB 3.0 ports.
Does the B-04A have a metal enclosure?
Yes. It features a rugged metal casing designed for extra durability.
Can the B-04A be mounted on a DIN rail?
Yes. The B-04A includes a DIN rail mounting bracket.
Does it have over-current protection?
Yes. The hub includes over-current protection.
Is the B-04A plug and play?
Yes. The product uses a plug-and-play design for quick and easy setup.
Does every device connected to the hub transfer data at 5Gbps?
Not necessarily. Up to 5Gbps is the stated maximum interface speed. Actual performance depends on the host, connected device, cable, software, and other system factors.
Can USB 2.0 devices be connected?
USB 3.0 is designed to support backward compatibility with earlier USB generations, but specific compatibility should be confirmed with the host system and connected equipment.
Is the B-04A suitable for industrial installations?
Its rugged metal casing and DIN rail mounting make it suitable for professional and industrial-style installation environments where these features are required.
Conclusion
The 4-Ports USB 3.0 HUB B-04A is designed for users who need additional high-speed USB connectivity in a durable and organized installation.
With four USB 3.0 ports and data transfer speeds of up to 5Gbps, the hub provides practical connectivity expansion for compatible USB peripherals. Its rugged metal casing adds durability, while the DIN rail mounting bracket allows the device to be integrated into suitable fixed installations.
The inclusion of over-current protection adds another useful feature for multi-device USB environments, while the plug-and-play design helps simplify setup.
The B-04A can be considered for industrial workstations, technical environments, IT applications, equipment installations, data-transfer workflows, and commercial workspaces where reliable USB connectivity expansion is needed.
As with any USB 3.0 solution, the stated 5Gbps speed is a maximum interface data rate, not a guaranteed real-world file-transfer speed. Actual performance depends on the host system, USB devices, cables, software, and other factors.
For applications that require rugged construction, DIN rail installation, four additional USB 3.0 connections, and over-current protection, the B-04A 4-Ports USB 3.0 HUB provides a practical and flexible USB expansion solution.
