45×19mm Aluminum Industrial Electronic Module Enclosure

The aluminum profile body can be cut to the required product length and then combined with end plates, CNC machining, mounting holes, interface openings, threaded holes, logos, and surface treatment to create a complete electronic device enclosure. Boyuan Hardware, with over 20 years of experience, a ~10,000㎡ factory, and around 300 existing molds, handles cutting, three-axis CNC, drilling, tapping, surface treatment, laser engraving, silkscreen, inspection, and assembly in-house.

Product Definition

The 45×19mm aluminum enclosure is a low-profile extruded aluminum electronic device enclosure with a cross-section size of approximately 45mm × 19mm.

The most notable feature of this specification is the combination of 45mm lateral space and 19mm low height. Compared to taller electronic device enclosures, it helps control overall product thickness; compared to narrower low-profile enclosures, the 45mm width provides more ample lateral layout space for PCBs, connectors, and interfaces.

Therefore, this aluminum enclosure is more suitable for:

• PCB electronic modules
• Signal conversion modules
• Data acquisition modules
• Communication interface modules
• Sensor modules
• Industrial control electronic modules
• Small measurement and test equipment
• Embedded electronic devices

The aluminum profile body can be cut according to product length, and combined with end plates, CNC machining, mounting holes, interface holes, threaded holes, logo, and surface treatment to form a complete electronic device enclosure.

Product Details

1. 45mm Width, Providing Better Lateral Layout Space for PCBs and Interfaces

The 45mm width offers relatively good lateral space for a low-profile electronic enclosure.

If the product needs to arrange PCBs, connectors, and interfaces internally at the same time, compared to some narrower aluminum enclosures, the 45mm width provides more layout margin.

45×19mm Aluminum Industrial Electronic Module Enclosure is especially suitable for electronic modules that need to arrange multiple interfaces on the end face or side, such as:

• Communication interfaces
• Power interfaces
• Terminal blocks
• Indicator lights
• Buttons
• Small connectors

2. 19mm Low Height, Suitable for Electronic Devices with Thickness Requirements

The 19mm height is significantly lower than conventional compact cross-sections such as 25mm and 29mm, making it more suitable for products that need to control overall device thickness.

It is especially suitable for PCB products with low internal component heights.

For example:

• Slim PCB + interfaces → suitable
• PCB + low-height electronic components → suitable
• PCB + taller relays/terminals/modules → internal height needs to be confirmed first

Therefore, before choosing a 45×19mm enclosure, the effective internal space needs to be confirmed according to the actual PCB and component heights.

3. Wide and Thin Cross-Section, More Suitable for Horizontal Layout

45×19mm is not simply pursuing "the thinnest," but achieving a balance between low height and lateral space.

For electronic modules with relatively large lateral PCB dimensions but that do not want to be too thick, this cross-section structure has good adaptability.

4. Aluminum Extrusion Structure Facilitates Development of Different-Length Products

As a profile cross-section, 45×19mm can be adjusted in length according to the internal space of different products.

The same cross-section can be used to develop multiple length versions:

• Short version: small PCB or interface modules
• Medium version: PCB + communication/control components
• Long version: data acquisition or multi-interface electronic modules

For same-series product development, this can reduce structural changes caused by different enclosure cross-sections.

Technical Specifications

Specific parameters such as aluminum alloy grade, profile wall thickness, internal dimensions, length range, machining tolerances, and surface treatment colors shall be subject to actual drawings and order requirements.

What Products Is It Suitable For?

1. PCB Electronic Modules

This is a relatively typical application direction for 45×19mm.

For low-height PCB modules, the 45mm width can be used for circuit board and interface layout, while the 19mm height controls overall product thickness.

Suitable for:

• PCB Control Modules
• Electronic Control Boards
• Embedded Electronics
• Electronic Interface Modules

2. Signal Conversion and Data Acquisition Modules

Signal conversion and data acquisition products usually require PCBs, connectors, and multiple interfaces, but do not necessarily need a very tall enclosure.

The 45×19mm width provides space for interface layout, while the 19mm height helps keep the product compact.

Suitable for:

• Signal Conversion Modules
• Data Acquisition Modules
• Signal Interface Modules
• Sensor Interface Devices
• Measurement Modules

3. Communication Interface Modules

For electronic modules that need to install communication interfaces, the 45mm width can be used to arrange interfaces and circuit boards, and the 19mm height is suitable for products with overall thickness requirements.

For example:

• Communication Interface Modules
• Data Transmission Modules
• Network Interface Electronics
• Industrial Communication Modules

4. Sensor and IoT Electronic Modules

For sensor control boards, IoT modules, and small monitoring devices, if the internal electronic component heights are low, a 45×19mm aluminum extrusion enclosure can be used for protection.

Suitable for:

• Sensor Modules
• IoT Electronics
• Monitoring Modules
• Smart Control Modules
• Embedded Sensor Devices

5. Small Industrial Control Modules

45×19mm can be used for some smaller industrial electronic control modules, such as:

• Control interface modules
• I/O related modules
• Signal processing modules
• Small control boards
• Industrial communication modules

If taller terminals, relays, or other components are included internally, it is necessary to confirm suitability according to actual heights.

What Structures Can Be Machined?

For different electronic product structures, further machining can be performed on the aluminum profile and ends.

How to Choose Between 45×19mm and Similar-Size Aluminum Enclosures?

The main difference between different cross-section sizes is not "which is better," but different internal space and product thickness requirements.

When Is 45×19mm Most Suitable?

If your product is:

• Relatively wide in lateral PCB dimensions
• Not tall in internal component height
• Needs to control overall device thickness

Then 45×19mm Aluminum Industrial Electronic Module Enclosure is a specification worth prioritizing.

Conversely, if there are taller connectors, terminals, power modules, or other electronic components internally, priority should be given to confirming the actual internal space corresponding to the 19mm height.

Boyuan Hardware's Aluminum Enclosure Machining Capabilities

Boyuan Hardware has over 20 years of experience in the aluminum enclosure and aluminum chassis industry, with a factory area of approximately 10,000 square meters, and has long been engaged in the machining of aluminum enclosures, aluminum profile structural parts, and electronic device enclosures.

Most production processes can currently be completed in-house, including:

• Aluminum profile cutting
• Three-axis CNC machining
• Drilling
• Tapping
• Surface treatment
• Laser engraving
• Silkscreen printing
• Product inspection
• Product assembly

The company has approximately 300 existing molds, and can combine existing profile resources to help customers match suitable aluminum profile cross-sections.

For products requiring non-standard interfaces, mounting holes, or end face structures, further CNC machining can be used to achieve them.

FAQ

Q1: Is the 45×19mm aluminum enclosure suitable for PCBs?

Suitable for low-height PCB electronic modules. Specific suitability needs to be confirmed according to PCB dimensions, component height, and mounting method.

Q2: What is the difference between 45×19mm and 43×13mm?

45×19mm Aluminum Industrial Electronic Module Enclosure is wider and taller, so the internal space is noticeably more ample, suitable for products needing more lateral PCB and interface layout space; 43×13mm is more oriented toward ultra-thin electronic modules.

Q3: Which is more suitable, 45×19mm or 44×23mm?

If more attention is paid to low height and overall thickness, 45×19mm can be prioritized; if a larger component mounting height is needed internally, 44×23mm may be more suitable.

Ultimately, it should be determined according to the PCB, component height, and interface structure.

Q4: Can the length of 45×19mm be customized?

Length cutting can be performed according to product structure and actual machining requirements.

Q5: Can interfaces such as USB and RJ45 be machined?

CNC opening machining can be performed according to interface dimensions and product drawings.

Q6: Can threaded holes and mounting holes be machined?

Yes. Drilling, tapping, and other machining can be performed according to assembly requirements.

Q7: Can a logo be machined on the enclosure?

Product logos and identification can be machined by laser engraving or silkscreen printing according to requirements.

Q8: What if I don't know whether 45×19mm is suitable for my product?

You can provide PCB dimensions, maximum component height, interface positions, and overall product dimension requirements. Based on this information, we can further confirm whether this specification is suitable.

What Information Is Needed to Purchase a 45×19mm Aluminum Enclosure?

If you need a quotation or customization, it is recommended to prepare the following information:

If you currently do not have complete enclosure drawings, you can also first provide product dimensions, PCB, or internal structure information for preliminary confirmation.

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