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Compel Groupgroup

Electrical Supplies

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Industrial electrical supplies provide the components needed to safely house, connect, and protect electrical systems in professional environments. This category includes a focused range of trade electrical supplies, primarily centered on enclosures and junction boxes designed for demanding applications. We serve engineers, technicians, and MRO buyers who require reliable components for manufacturing, automation, and outdoor installations.

Our selection is built around proven materials and specifications. You will find enclosures in durable ABS, high-impact PC, and corrosion-resistant aluminium, including explosion-proof options. With ingress protection ratings up to IP67, these components ensure waterproof and dust-tight performance. Compel provides access to industrial-grade electrical supplies that meet the specific environmental and safety demands of your project, backed by clear technical data for confident selection.

Material Selection: ABS, PC, or Aluminium

Choosing the right material is the first step in specifying an enclosure. Acrylonitrile Butadiene Styrene (ABS) is a common, cost-effective thermoplastic that provides good protection in a wide range of industrial settings. It resists impacts and many chemicals, making it suitable for general-purpose indoor or outdoor use.

For applications requiring higher impact resistance, consider Polycarbonate (PC). It offers superior toughness and can operate in a wider temperature range than ABS. When your project demands maximum physical protection, electromagnetic shielding, or use in hazardous areas, an aluminium enclosure is the correct choice. Our range includes die-cast aluminium boxes, some specified as explosion-proof, that provide the highest level of durability.

Understanding IP Ratings for Commercial Electrical Supply

The Ingress Protection (IP) rating defines how well an enclosure protects against solids and liquids. This is a key specification for any commercial or industrial electrical supply that will be exposed to the elements or washdown procedures. The first digit indicates protection against solids, like dust (where a 6 is dust-tight). The second digit indicates protection against water.

Our catalogue includes enclosures with IP66 and IP67 ratings. An IP66 rating certifies protection against powerful jets of water, suitable for equipment that is regularly hosed down. An IP67 rating means the enclosure can be temporarily submerged in water up to one meter deep for 30 minutes. Your choice depends entirely on the foreseeable environmental exposure at the installation site.

Sizing and Configuration for Your Components

Properly sizing an electrical enclosure prevents installation issues and equipment failure. Start by calculating the total volume of your internal components, such as DIN rails, terminal blocks, power supplies, and PCBs. As a rule, add at least 25% additional space to accommodate wiring, ensure proper bend radius for cables, and allow for air circulation to dissipate heat.

Also, consider the entry and exit points for your wiring. Some junction boxes come with pre-molded knockouts, while others have smooth walls for drilling custom entry holes. For a secure, waterproof seal, plan to use appropriate cable glands, which are sometimes included. Always confirm the internal usable dimensions on the product datasheet, as wall thickness will reduce the available space.

Buying guide

Choosing Electrical Supplies

When should I choose an aluminium junction box over an ABS plastic one?
Select an aluminium junction box for applications requiring high impact strength, EMI/RFI shielding, or deployment in designated hazardous locations. Our data shows explosion-proof aluminium options are available. ABS is a durable and economical choice for general-purpose waterproof protection where these specific threats are not a concern.
What is the practical difference between an IP66 and IP67 rating?
An IP66-rated enclosure protects equipment from high-pressure water jets from any direction, making it ideal for factory washdown areas. An IP67-rated enclosure is certified for temporary submersion in water up to 1 meter. Choose IP67 if your installation carries a risk of temporary flooding.
How do I determine the correct size for an electrical project box?
Measure the total dimensions (length, width, depth) of all components you need to house. Add a margin of at least 25% to the internal volume for wiring, cable bend radius, and heat dissipation. Always verify the internal usable dimensions on the product's technical datasheet before ordering.
Are these enclosures suitable for outdoor trade electrical supplies?
Yes, our enclosures are specified for outdoor use. With materials like ABS, PC, and aluminium combined with IP66 and IP67 ratings, they are designed to protect sensitive electronics from water and dust in exposed industrial and commercial environments.
Do your explosion-proof enclosures have ATEX or IECEx certification?
We stock enclosures specified as 'explosion-proof', but the exact certification, such as ATEX, IECEx, or Class/Division, is product-specific. You must check the datasheet for the individual product to confirm it carries the necessary compliance documentation for your jurisdiction and application.