Our Interconnect and Cable Assembly Technology Centre continually designs and assembles custom interconnect solutions and cable assemblies to customers specifications.

Acal BFi – Interconnect and Cable Assembly Technology Centre

Design-led interconnect and cable assembly solutions

The Interconnect and Cable Assembly Technology Centre is Acal BFi’s dedicated hub for the design, manufacture, and integration of high-performance interconnect systems and cable assemblies for industrial, defence, aerospace, security, and harsh environment applications.

With over 50 years of experience and a UK-based, purpose-built production facility, we support customers with reliable interconnect solutions – from individual connector assemblies through to complex, fully engineered cable harnesses and fibre optic systems.

By combining deep industry expertise, long-standing manufacturer partnerships, and in-house assembly, testing, and integration capabilities, the Interconnect and Cable Assembly Technology Centre enables robust, compliant, and repeatable solutions that perform in the most demanding environments.

Part of the Technology Network

Each Technology Centre is part of Acal BFI’s wider Technology Network, giving you access to a collaborative team of specialist engineers across multiple disciplines. This connected approach allows us to support larger, more complex projects that span multiple technologies – from embedded computing and wireless to power, sensing, photonics, and imaging. By bringing expertise together across our centres, we help reduce design risk, simplify integration, and deliver complete, production-ready solutions through a single, trusted engineering partner.

Discover more about the Technology Network

What we do at the Interconnect and Cable Assembly Technology Centre

The Interconnect and Cable Assembly Technology Centre focuses on delivering ruggedised, high-quality interconnect solutions that balance electrical performance, mechanical robustness, environmental protection, and long-term reliability.

Working as an extension of your engineering teams, we support projects from early specification and design through to assembly, testing, approval, and lifecycle support.

In practice, we help you to:

  • Specify the most appropriate connector, cable, and harness solution for harsh environments
  • Design and build ruggedised cable assemblies for industrial, defence, and security applications
  • Integrate fibre optic, copper, power, and RF technologies within a single connectorised system
  • Reduce approval risk through pre-compliance testing and certified assembly processes
  • Ensure consistent quality and long-term supply through controlled manufacturing

Our technical capabilities

The capabilities and expertise housed within the Interconnect and Cable Assembly Technology Centre ensure that our team can support you every step of the way.

Industry expertise

With more than five decades of experience, our team specialises in the specification, manufacture, and supply of harsh-environment connectors, cables, and harnesses. Supported by strong manufacturer partnerships – including over 55 years working with Amphenol – we deliver trusted solutions across industrial, defence, aerospace, and security markets.

Connector assemblies and accessories

We supply a comprehensive range of reliable industrial, defence-approved, and proprietary circular connectors, supported by a wide selection of backshells, accessories, protection caps, lanyards, and tooling — many available from stock for rapid deployment.

Ruggedised cable assemblies

Our dedicated cable assembly production team specialises in the manufacture of high-performance, medium- to high-complexity circular connector-based cable assemblies designed for harsh environments. Assemblies are produced to IPC/WHMA-A-620 standards and support fibre, signal, power, and RF technologies.

Fibre optic cable assembly

Within our dedicated fibre optic production facility, we manufacture ruggedised single-mode and multi-mode fibre optic assemblies designed for demanding applications. Solutions range from single-channel through to complex multi-way systems, supporting butt-joint and expanded beam connector technologies.

Facility, approvals, and certifications

Our UK-based Interconnect and Cable Assembly Technology Centre operates from a 1,154 m² dedicated production, integration, and testing facility, including:

  • 96 m² ESD-controlled room to IEC 61340-5-1
  • Constantly monitored ESD benches and flooring
  • Temperature and humidity-controlled environments

We are accredited and approved to support regulated and mission-critical markets:

  • ISO 9001:2015 Quality Management System
  • IPC/WHMA-A-620 certified wiring harness manufacturing
  • Approved Amphenol assembly partner
  • JOSCAR registered for aerospace, defence, and security sectors
  • Cyber Essentials PLUS certified
  • AEO UK Authorised Economic Operator (AEOC 00372/18)

From standard assemblies to fully custom cable solutions

The Interconnect and Cable Assembly Technology Centre provides flexible support based on your project requirements.

Standard and configured cable assemblies

Provide a reliable, cost-effective solution for applications with clearly defined specifications and performance requirements. These assemblies are built using established connector and cable combinations from leading manufacturers, ensuring consistent electrical performance and mechanical integrity.

  • Proven connector and cable combinations validated for industrial use

  • Rapid availability from stock, reducing procurement lead times

  • Pre-configured options covering common signal, power, RF, and data interfaces

  • Ideal for production environments where specifications are fixed and time-to-deployment is critical

  • Suitable for industrial automation, test equipment, communications systems, and general electronic integration

This option enables engineers to quickly implement dependable interconnect solutions without the time and cost associated with custom development.

Speak with our team to identify proven cable and connector assemblies available from stock and ready to support your application.

Semi-custom cable assemblies

Semi-custom assemblies build on standard products but are modified to better suit your application’s physical, electrical, or environmental demands. This approach provides an optimal balance between performance customisation and cost efficiency.

  • Modification of standard assemblies to meet specific installation requirements

  • Custom connector terminations, backshells, and strain relief options

  • Over-moulding for improved durability, sealing, and mechanical protection

  • Addition of protective sleeving, shielding, or environmental sealing

  • Optimised for challenging conditions such as vibration, temperature extremes, moisture, or limited installation space

Semi-custom solutions are ideal when standard products are close to your requirements but need refinement to ensure long-term reliability in real-world operating environments such as transportation, industrial machinery, or outdoor systems.

Contact our specialists to configure cable assemblies with the terminations, protection, and performance your environment demands.

Fully custom interconnect solutions

Fully custom interconnect solutions are developed from the ground up to meet precise electrical, mechanical, and environmental specifications. This service is particularly valuable for complex systems, harsh environments, or applications where performance, reliability, and compliance are critical.

  • Collaborative specification process with engineering support to define exact requirements

  • Bespoke cable harnesses designed for your system architecture and installation constraints

  • Custom connector selection, pin configurations, shielding, and routing

  • Custom PCB and FPC pintail patterns with tailored pin lengths, stand-off dimensions, and epoxy potting

  • Shell configuration and modification with multiple keyways, insert orientations, and shell styles

  • Plating and material options including RoHS-compliant black zinc-nickel, electroless nickel, and corrosion-resistant marine bronze

These options enable highly engineered interconnect solutions optimised for performance, durability, and integration

Engage with our engineering team to develop a fully custom cable assembly designed, tested, and manufactured to your exact specification.

Fibre-optic and hybrid cable assembly solutions

Our fibre-optic capabilities are designed to support high-bandwidth, high-reliability applications across a wide range of sectors. We specialise in the production of ruggedised fibre-based cable assemblies for industrial, medical, aerospace, defence, transport, and harsh environment applications.

Connector and fibre options

  • Single-mode and multi-mode connector systems
  • Butt-joint and expanded beam technologies
  • Configurations from single channel up to 72-way
  • Wide choice of fibre types to suit data, telecoms, high-bandwidth, and specialist requirements Copper / fibre hybrid solutions

Using connector systems such as MIL-DTL-38999 Series III, we can combine fibre, copper, and coax within a single connectorised solution – reducing system complexity and simplifying installation.

Contact our team to discuss fibre optic and hybrid options

Bespoke connector kits, accessories, and tooling

As an approved assembler, we provide complete connector kitting solutions tailored to your application. Our services include:

  • Building and kitting complete connector solutions from crimp contacts to cable accessories
  • Specification of backshells, termination styles, heatshrink technologies, and plating options
  • Supply of insertion, extraction, and production-grade ratchet crimp tooling
  • Assembly of protection caps and lanyards to customer-defined plating, length, and termination requirements

Contact our team to discuss bespoke connector kits, accessories or tooling

Collaborative expertise across Acal BFI Technology Centres

The Interconnect and Cable Assembly Technology Centre works closely with our other Technology Centres to deliver fully integrated system solutions. When your project requires additional specialist support, we collaborate with teams from Wireless & IoT, Power Supply, Magnetic Products, and Sensor & Imaging Centres to provide a seamless, multidisciplinary approach. By combining expertise across embedded platforms, power management, connectivity, sensing, and more, we create tailored solutions that address the complex, evolving challenges of modern electronic design.

Our Technology Centres

BioPhotonics

With more than 15 years of experience in sales, installation, and service of BioPhotonics systems, we can offer products and solutions tailored to your specific requirements.

The wide range of BioPhotonics cameras, lasers, LED light sources, spectrometers, optical components, microscope systems, microscope accessories, and associated software enables us to assemble almost any photonics or imaging solution.

Embedded Computing

The Embedded Computing Technology Centre drives advanced solutions, so you can deliver the technologies of tomorrow – today.

Design customer driven systems, build prototypes and manufacture products to meet your distinct needs. Many of the platform-based technologies that we offer were designed with customisation in mind.

Our capabilities help us to offer solutions across all stages of your project. Whether your requirements are standard, modified or highly customised, our experts support and identify your aims and work to ensure that we provide a solution that fits.

Fibre Optics

The Fibre Optics Technology Centre allows our engineers to develop fibre optic solutions to meet changing demands in a high-speed world.

With over 25 years of experience in fibre optics and application engineering for hardware and components, we help to analyse and qualify to improve the stability and functionality of your transceivers. Supporting our engineers with expertise and state of the art technology, the Fibre Optics Technology Centre houses a number of our specialist capabilities.

Imaging Technology Centre

The Imaging Technology Centre is our dedicated hub for infrared and thermal imaging expertise, supporting the design, integration, testing, and deployment of customised imaging solutions across industrial, energy, transportation, aerospace, security, and specialist applications.

The Imaging Technology Centre is our dedicated hub for infrared and thermal imaging expertise, supporting the design, integration, testing, and deployment of customised imaging solutions across industrial, energy, transportation, aerospace, security, and specialist applications.

By combining deep technical knowledge with specialist facilities and equipment, our team supports customers developing everything from standard infrared camera integrations to fully bespoke imaging systems.

Interconnect and Cable Assembly

The capabilities and expertise housed within the Interconnect and Cable Assembly Technology Centre ensure that our team can support you every step of the way.

Providing and customising bespoke specialist fibre and cables including hybrids with custom connectors, the Technology Centre is on hand to support with design, assembly, testing and approvals for your customised solutions.

IoT and wireless

The IoT and Wireless Technology Centre has the ability to support complex discrete component design-in from a bespoke System on Chip (SoC), right through to fully integrated modules that are certified and application ready.

Creating custom solutions that add connectivity to an application requires specialist expertise and capabilities. Our team of wireless technology hardware design and software application engineers cover RF, wireless, cellular and many more state-of-the-art technologies. Together they have extensive individual and collective experience of developing customised solutions, ensuring we can bring your concept to life.

Magnetic Products

The Magnetic Products Technology Centre is at the forefront of our solution led approach for applications that require customised cores and components, driving our commitment to developing an enhanced technological future together.

Over the last 25 years, we have grown our expertise in the design-led customisation of magnetic components. With the largest team of technical support specialists, the Magnetic Products Technology Centre is at the forefront of magnetic based technological advancements. Our team design and manufacture magnetic components including transformers, inductors, and even cores to meet the technical and commercial aspects of your project, whether you are in design or production.

Power Supply

The extensive breadth of experience held by our in-house design industrial power engineers ensures that we have the expertise to develop customised industrial power supply solutions, ranging from 1W to 25kW for a wide range of applications.

Whether you’re looking to modify or configure a standard power product, integrate it into a custom design, design and modify a rack, chassis, PCB, or require a full custom-designed power solution, our Power Supply Technology Centre can support you with the design, assembly, testing and integration of a tailored industrial power solution to meet your specific application’s requirements.

Why work with the Interconnect and Cable Assembly Technology Centre?

We support engineers and technical decision-makers at every stage of interconnect development, offering:

  • Over 50 years of harsh-environment interconnect expertise
  • Design-led, engineering-focused support
  • Certified UK-based assembly and testing
  • Reduced approval and integration risk
  • Long-term manufacturer partnerships and supply continuity

Why Acal BFi? Your partner for interconnect and cable assembly solutions

Acal BFi combines deep technical expertise with a broad supplier ecosystem to deliver reliable, application-specific interconnect solutions.

We provide:

  • Technical consultation and design support
  • Custom and semi-custom cable assemblies
  • Fibre optic and hybrid interconnect solutions
  • Pre-compliance testing and approvals support
  • Long-term lifecycle and supply chain management

Backed by centralised logistics and a pan-European engineering network, we help ensure performance, compliance, and continuity throughout your product’s lifecycle.

Contact the team for an interconnect and cable assembly consultation

Yes. Cable assemblies can be specified and manufactured to operate reliably in demanding environments, including:

  • High and low temperature extremes

  • High vibration and mechanical stress

  • Outdoor and sealed environments (IP-rated solutions)

  • EMC-sensitive applications requiring shielding

  • Industrial, transportation, defence, and medical environments

Appropriate materials, shielding, and strain relief are selected to ensure long-term durability and performance.

Yes. Engineering support is available to help select the most appropriate:

  • Connector types and contact arrangements

  • Cable construction and shielding

  • Power, signal, RF, or high-speed data compatibility

  • Mechanical protection and routing considerations

This ensures signal integrity, reliability, and compliance with your system requirements.

Yes. Lifecycle support helps ensure continuity throughout your product’s lifetime, including:

  • Controlled documentation and revision management

  • Repeatable manufacturing specifications

  • Supply chain and obsolescence management

  • Consistent quality across production batches

This is particularly important for long-lifecycle industrial, medical, and transportation systems.

A bespoke cable harness design is a fully custom interconnect solution built to meet your exact electrical, mechanical, and environmental requirements. It’s ideal for complex systems in industrial, medical, transportation, and defence applications where standard assemblies cannot meet your performance or compliance needs.

Yes. Our team specialises in industrial interconnect solutions and can provide custom cable assemblies designed for high-reliability environments. We offer shielding, over-moulding, strain relief, and ruggedised materials to ensure long-term performance in harsh conditions, including vibration, temperature extremes, and moisture exposure.