Powering Critical Missions: Leach Contactors Now Available from FDH Electronics

When it comes to switching, protecting, and managing high-voltage electrical systems in the world’s most demanding environments, Leach International has long stood at the forefront of aerospace, defense, and industrial innovation. As an authorized distributor of Leach products, FDH Electronics is proud to offer Leach’s exceptional line of contactors, precision-engineered solutions trusted in mission-critical applications worldwide.

Why Choose Leach Contactors?

Leach’s contactors are engineered to meet the increasing power demand in aerospace system architectures, supporting loads from 25 to 1000 amps in both DC and AC configurations. With options such as hermetic sealing for harsh environments, plug-in LRU interfaces for streamlined maintenance, and busbar-mounted designs for space-constrained installations, they deliver the reliability and durability required for high-performance applications.

At FDH Electronics, we recognize that every component in a power system is crucial. That’s why we’re excited to support your programs with Leach’s full range of electromechanical, hybrid, and solid-state contactors. Click to learn about the CA450 Series contactors, Hyperion 270 Series hybrid contactors, or the Voltana 270 Series solid-state contactors.

Leach CA450 Series Contactors

CA450 Series

Electromechanical Contactors: Proven Performance in Harsh Conditions

The Leach CA450 Series delivers rugged, reliable performance for mission‑critical applications where failure is not an option. Featuring a double‑break design and fully environmentally sealed construction, the CA450 is built in accordance with MIL‑PRF‑6106 and qualified to DO‑160 requirements. It is rated for 450 amps.

Key Features:

    • 450A current rating
    • 3PST Main(Double Break)
    • 8PDT Auxiliary configuration
    • Variable frequencies at 360Hz – 800Hz
    • Tested overload at 1800A

Click Here to View the CA450 Data Sheet

Applications:

    • Aircraft main generator line protection
    • Power distribution systems
    • Defense vehicle systems
    • Ground support equipment

Whether you’re building aircraft, military platforms, or aerospace test infrastructure, the CA450 Series ensures safe and consistent switching across extreme temperatures, shock, and vibration

Hyperion 270 Series Hybrid Contactors

Hyperion 270 Series

Hybrid Contactors – A Leap Forward in High-Power Switching

The Hyperion Series Contactors are a breakthrough in high-voltage DC switching, delivering galvanic isolation and over 50,000 operations at 500A. With near-total arc extinction, it’s perfect for applications requiring extreme durability and safety.

Key Features:

  • 500A switching capacity @ 270VDC
  • SPST contact configuration
  • Max 4ms contact bounce
  • Galvanic isolation for system safety
  • Compact and rugged for aerospace & defense

Click Here to View the Hypersion 270 Data Sheet

Applications:

  • Battery disconnects
  • Propulsion isolation
  • Bus tie switching
  • Energy storage and grid systems
  • Electric mobility systems (EV, UAM)

The Hyperion Series redefines what’s possible in next-gen aerospace, defense, and EV architectures, minimizing thermal stress while reducing maintenance.

Solid State Contactors - Voltana 270 Series

Voltana 270 Series

Solid-State Contactors: Voltana Series – Intelligent Power Management

Engineered with Silicon Carbide (SiC) MOSFETs, the Voltana Series offers ultra-efficient, programmable power control for 270 VDC systems. It is available in 120A and 225A versions, providing instant short circuit protection, soft start, and motor control functionality.

Key Features:

  • 80mV drop @120A
  • Soft start and crowbar protection
  • Redundant trip circuits
  • Programmable trip curves
  • 98% BIT coverage
  • -40°C to +71°C operating range

Applications:

  • Electric aircraft and defense vehicles
  • Robotics and energy storage
  • High-reliability DC microgrids
  • Mission-critical industrial systems

Voltana’s data bus-controlled architecture and precision fault detection make it a natural choice for engineers designing smart power systems where uptime, responsiveness, and safety are essential.

Why Partner with FDH Electronics?

As a trusted supplier of aerospace-grade electrical components, FDH Electronics brings:

  • Factory-direct access to Leach products
  • Technical guidance and integration support
  • Efficient fulfillment and logistics for defense & commercial programs

Whether you’re prototyping a next-gen power platform or scaling production for an aircraft fleet, FDH Electronics is ready to support your goals with Leach’s proven contactor technologies.

Complete the form below to contact our sales team to explore how Leach Contactors can power your next project.

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Safran RCCBs: Advanced Power Protection

In today’s aerospace and defense environments, electrical systems demand compact, reliable, and intelligent protection solutions. Safran Power USA has set the industry standard with their Remote Controlled Circuit Breakers (RCCBs): a technology that combines the best features of a traditional circuit breaker and a relay into a single, lightweight unit. As an authorized distributor and supply chain partner, FDH Electronics is proud to deliver these high-performance products directly to our customers worldwide.

What Makes Safran RCCBs Unique?

Safran RCCBs are more than just protective devices, they are versatile, space- and weight-saving solutions designed for demanding applications. Here are a few reasons they stand out:

    • Dual Functionality: RCCBs protect electrical systems during circuit or load breakdown while also allowing remote on/off control reset from the flight deck. The RCCB also serves as a relay which is rated for 50,000 cycles.
    • Weight & Cost Savings: By eliminating long runs of heavy cables between the cockpit and remote relays, Safran RCCBs promote more efficient power distribution and reduce overall system weight.
    • Cockpit Space Optimization: With RCCBs, large circuit breakers are removed from the cockpit while still enabling pilots full load control.
    • Qualified to MIL-PRF-83383: Safran RCCBs meet stringent military performance requirements, making them ideal for aerospace, defense, and other mission-critical applications.
    • Proven Durability: Designed to withstand extreme vibration, shock, temperature, altitude, and EMI/RFI conditions, Safran RCCBs deliver long-lasting reliability in harsh environments.

Single Phase RCCB and Three Phase RCCB from Safran

Click Here to View the SE&P Remote Controlled Circuit Breaker (RCCB) Catalog

Applications Across Aerospace and Defense

Safran RCCBs are widely adopted in aircraft power distribution systems, where performance, safety, and space efficiency are paramount. Their use extends across:

    • Commercial and military aircraft platforms
    • Space and satellite systems
    • Advanced defense electronics
    • Other high-reliability applications requiring remote-controlled power management
FDH Electronics: Your Authorized Source

As an authorized distributor and supply chain partner of Safran Power USA, FDH Electronics ensures that customers have direct access to genuine Safran RCCBs and related solutions. Partnering with FDH Electronics provides you with:

    • Trusted Supply Chain Assurance – Guaranteed authenticity and compliance
    • Streamlined Procurement – Reliable delivery schedules to keep your projects on track
    • Technical Expertise – Support from a knowledgeable team experienced in aerospace and defense interconnects
    • Global Reach – Serving customers across commercial aviation, defense, and space industries
Contact FDH Electronics for Safran RCCBs

Safran’s RCCBs represent the next generation of electrical protection and control. Whether you’re designing for weight-sensitive aircraft systems or need mission-ready circuit protection, Safran and FDH Electronics deliver solutions you can trust.

Explore our offerings at FDH Electronics and connect with our team to learn more about how Safran RCCBs can support your next program.

 

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FDH Electronics: Your Authorized Source for Amphenol PCD Products

FDH Electronics is an authorized distributor of Amphenol PCD products, including backshells and dust caps. With extensive industry expertise, FDH Electronics provides:
    • Immediate stock availability of Amphenol products.
    • Expert technical support to assist in selecting the right backshells and dust caps.
    • Fast, reliable fulfillment for aerospace, defense, and industrial applications.

Amphenol PCD Backshells and Dust Caps for circular connectors

Get a Quote or Place an Order for Amphenol PCD Backshells and Dust Caps Today!

For high-performance backshells, dust caps, and connector accessories, trust Amphenol PCD and FDH Electronics. Contact FDH Electronics today for expert guidance and access to a comprehensive inventory of Amphenol PCD products.

Introduction to Amphenol PCD

Amphenol PCD is a global leader in interconnect solutions, specializing in backshells, system attachments, modules, relay sockets, connectors, and cable assemblies. Amphenol PCD delivers high-quality components designed to withstand demanding environments, ensuring reliability across industries like aerospace, defense, and industrial applications.

Understanding Backshells: Protection, Durability, and EMI/RFI Shielding

Backshells are essential components for protecting circular connectors by providing strain relief, environmental sealing, and EMI/RFI shielding. An estimated 70-75% of all circular connectors require a backshell, making them a critical part of any robust interconnect system.

Types of Backshells Available

Amphenol PCD backshells come in a variety of materials, finishes, and configurations:

    • OmniLite Strain Relief: Lightweight composite for EMI/RFI shielding.
    • AlumaLite: 100% aluminum, reducing weight by 50%.
    • Environmental & Non-Environmental: Options with or without water sealing protection.
    • Band Locks: Compact designs where EMI/RFI shielding is required
    • Strain Reliefs: Ideal for lightweight cabling applications that do not require environmental protection
    • Stainless Steel Strain Relief: Ideal for high-heat and high-vibration environments.
    • Custom Backshells: Tailored designs for unique applications.
Dust Caps: Essential Protection for Connectors

Dust caps play a crucial role in protecting connector interfaces from dust, moisture, and contaminants when the connectors are not in use. Amphenol PCD offers both qualified parts list (QPL) and proprietary designs, ensuring superior sealing and durability.

Dust Cap Features & Options
    • Materials: Available in aluminum, stainless steel, and composite for different weight and strength requirements.
    • Lanyard Options: Expanded selections to fit various applications.
    • Military-Grade & Commercial Options: MIL-DTL-38999, MIL-DTL-5015, and other specifications available.
Why Choose Amphenol PCD Backshells from FDH Electronics?

Amphenol PCD offers a wide-range of backshell solutions, including military-spec (M85049), commercial, and custom-designed backshells. Some key benefits include:

    • Comprehensive Inventory: Large stock ensures quick availability.
    • Multiple Coupling Styles & Finishes: Adapting to diverse applications.
    • Custom Engineering Capabilities: Dedicated machines and engineers for tailored solutions.
Get a Quote or Place an Order for Amphenol PCD Backshells and Dust Caps Today!

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Your Source for Leach International’s Mil-Spec Relays

FDH Electronics, a leading global distributor and supply chain partner for the aerospace and defense industries, is proud to partner with Leach International Corp to deliver high-performance, mil-spec relay solutions to the market. This collaboration enhances FDH Electronics’ comprehensive offerings by adding Leach’s industry-leading, mission-critical relay products, renowned for their exceptional quality, durability, and performance across aerospace, defense, and high-performance industrial applications.

Leach International’s Mil-Spec Relay Product Line

Leach manufactures relays for mil/aero applications.

Leach International has been a pioneer in power distribution since 1919, producing relays designed to meet the exacting requirements of aerospace, defense, rail, and other high-stakes industries. Their portfolio spans over 3,000 active part numbers and includes products for applications such as:

    • Aerospace and Defense: Used in commercial jets, business jets, fighter jets, and space systems, Leach relays are designed to ensure dependable switching and power distribution in extreme conditions.
    • Ground Vehicles and Rail: Leach’s robust relay solutions power complex industrial applications, offering reliable performance across various terrains.
    • Missile and Space Applications: For space and missile systems, Leach produces hermetically sealed, vibration-resistant relays that meet the rigorous demands of aerospace-grade quality.

With Leach’s wide range of relay products, FDH Electronics is well-positioned to support a broad spectrum of customers in sourcing relays that meet specific and stringent requirements for mission-critical applications.

FDH Electronics as a Value-Added Supply Chain Partner

FDH Electronics’ role as a trusted Leach distributor goes beyond traditional distribution; it emphasizes added value and supply chain efficiency. As a value-added distributor, FDH Electronics offers streamlined procurement, inventory management, and logistics solutions that enhance the overall supply chain experience. This partnership means that aerospace and defense customers benefit from:

    • Large Inventory: FDH Electronics is a global one-stop shop with one of the most expansive inventory levels in the industry, built on FDH Aero’s industry-leading supply chain services.
    • Global Reach: With FDH Electronics’ extensive global presence, customers can access Leach products wherever they operate.
    • Reliable and Consistent Supply: FDH Electronics’ deep expertise in aerospace supply chain management ensures that customers receive the products they need, when and where they need them.
    • Customized Support and Solutions: FDH Electronics offers tailored solutions to meet unique project needs, helping customers optimize their supply chains and meet complex requirements.
Vertical Integration and Rigorous Testing: Leach’s Commitment to Quality

At the core of Leach International’s success is its vertically integrated manufacturing and in-house testing capabilities. By managing the full product lifecycle from design through to final assembly and testing, Leach ensures unmatched reliability. Their facilities in California and Tijuana, Mexico, allow for high-precision manufacturing processes, including:

    • High-Performance Testing Capabilities: Testing lab power capabilities reach up to 4,000A at 28VDC, 3,000A at 115/208VAC, and 2,000A at 270VDC.
    • Environmental and Functional Testing: In-house testing includes dielectric and insulation tests, leak tests, and functional assessments, meeting and often exceeding MIL-Spec standards.
    • Advanced Processes for Precision and Durability: Complex processes such as high vacuum baking, glass-to-metal fusing, and coil winding are performed in-house to guarantee consistent quality.

These vertically integrated processes allow Leach to control every aspect of production, from material quality to final inspection, ensuring that every relay meets the exacting standards of aerospace and defense applications.

FDH Electronics: The Smart Choice for Leach Relay Solutions

By partnering with Leach International, FDH Electronics strengthens its position as a go-to supply chain partner in the aerospace industry. This collaboration not only broadens FDH Electronics’ product offerings but also solidifies its commitment to delivering value, reliability, and expertise at every step of the supply chain. Whether sourcing relays for commercial aircraft, military equipment, or cutting-edge space systems, customers can rely on FDH Electronics for high-quality Leach products and unparalleled support.

For companies that need mission-critical relay solutions combined with streamlined supply chain management, FDH Electronics offers the perfect combination of industry knowledge, product access, and supply chain efficiency. Through its partnership with Leach, FDH Electronics ensures that every component meets the highest standards of safety, durability, and performance—helping customers achieve their goals in even the most challenging environments.

Click Here to learn more about how FDH Electronics and Leach International are working together to elevate power distribution in aerospace.

 

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BJG & Eaton – Making the Right Connection, Each and Every Time

BJG Electronics (now FDH Electronics) was founded in 1979 with the knowledge that military and aerospace customers would want to do business with a company that maintained the highest quality standards and always put its customers first. To always ensure this is true, it is our responsibility to choose the right solutions every time.

When those solutions are connectors, backshells, or even conduits, we turn to our close relationship with Eaton Souriau-Sunbank, a global leader that has proven its dependability and innovation for over a century.

Our customers rely on us to work with only the highest quality products. We know interconnect products must be durable and reliable under incredibly demanding and unique conditions to ensure high-power systems are ready when they are most needed, whether within a plane, defensive platforms, missiles, ground-based vehicles, battlefield connectors, microphones, radios, radar, satellites, or any of a myriad of mission-critical applications.

Our team here at FDH knows that even the smallest part of any electrical system is mission-critical and can mean the difference in not only efficiency and effectiveness, but also in lives. We believe that recognizing this and providing the right solutions for each application is just the first step in providing outstanding customer service and experiences to those we work with.

The reliability in quality and delivery that Souriau-Sunbank by Eaton brings to interconnect products is exactly why FDH Electronics has more Sunbank inventory than anyone in the world, coming in as the #1 distributor worldwide. We also are in the top 5 distributors in the world for Souriau in both inventory and sales. We carry available inventory measured in the millions of pieces.

When you work with FDH Electronics, you know you can rely not only on the quality of the product but that it will arrive when you need it most with quick order turnarounds.

Who is Souriau-Sunbank by Eaton?

From their start, more than 100 years ago, Eaton has developed products and services that have become globally recognized. Their mission is to improve the quality of life and the environment through the use of power management technologies and services, and they do this through sustainable solutions that help their customers effectively manage electrical, hydraulic, and mechanical power – more safely, more efficiently, and more reliably.

As a power management company with over 92,000 employees, they also do business in more than 175 countries. They are dedicated to improving people’s lives and the environment with power management technologies that are more reliable, efficient, safe, and sustainable.

In 2019, Eaton Corporation acquired Souriau-Sunbank Connection Technologies (with facilities in France, the Dominican Republic, India, Morocco, Mexico, and the United States). Adding Souriau-Sunbank’s highly engineered electrical interconnect solutions for harsh environments specifically created for customers in the aerospace, defense, industrial, energy, and transport industries to their already well-established offerings.

As an Eaton brand, Souriau-Sunbank by Eaton is a world leader in high-performance interconnect technologies. When you need connectors that are guaranteed to make the right connection, every time, you can trust Eaton and BJG Electronics.

Connectors: Connecting Excellence

FDH knows connectors, and Eaton provides a wide range of connectors that we are proud to stand behind.

Their connectors are designed to withstand the harsh conditions that are presented from everything from the deep sea to deep space. Our team at FDH Electronics can also provide the connector assembly, inventory management, or custom design your connectors need.

When you need connectors that are guaranteed to make the right connection, every time, you can trust Eaton and FDH Electronics.

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Connectors We Carry

  • UTO Series
  • UTS Series
  • UTL Series
  • UTG Series
  • SMS Series
  • 06 Series
  • 09 Series
  • 8D Series
  • 853 Series
  • 8STA Series
  • 8TA Series
  • Micro38999
  • MQuick Series
  • JBX Series
  • D38999 Series
  • EN2997 Series
  • ENC Series
  • EN3155 Series
  • 8599 Series
  • 8291 Series
  • M39029 Series
  • Trim Trio Tooling
  • Trim Trio Backshells
  • UTS Accessories
  • HAUTL Series
  • HAUTS Series
  • RC/RM Series
  • SC/SM Series

Backshells: Mission Critical

Selecting the proper backshell for each application is mission-critical, and our partnership with Eaton means we provide the best selection in the world. Eaton’s connectors, backshells, contacts, and cable assemblies have paved the way when it comes to providing the benchmark for reliability in harsh environments.

If you are already familiar with the Eaton connectors, pairing Eaton backshells with Eaton connectors means the same high level of quality is applied to all points in the system.

BJG Electronics enjoys a unique partnership with Souriau Sunbank, distributing millions of pieces that can be trusted in the most challenging of applications. Our large stock of inventory means we can provide the backshells you need quickly.

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Backshells and Accessories We Carry:

  • D38999/22, D38999/32, D38999/33
  • M28840, M28876, M85049, AS85049, M38999
  • MS25042, MS25043, MS27501, MS27502, MS27506
  • MS27510, MS27511, MS3180, MS3181, MS3416, MS3115, MS3417
  • TXR

Conduits: Rugged Protection

FDH Electronics protects electrical systems in harsh environments worldwide with our rugged conduit solutions, both light and heavy-weighted. And our partnership with Souriau Sunbank means we provide conduit solutions from an organization that is known around the globe for their quality.

For example, Sunflex (a SUNBANK product) provides an extensive selection of braids, armoring sheathing, and convoluted fluorocarbon tubing for conduits. The rugged Sunflex conduit systems display high-temperature survivability (heat to +500°F / cold to -95°F) with long flexure life and superior shielding.

If you need conduit you can rely on, BJG and Eaton can provide the protection your application requires. Our partnership means we can quickly provide you with the right conduit solutions.

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Conduits We Carry

  • Flexible Conduit
  • Shipboard Interconnect and Conduit Solutions
  • Sunflex Solutions
  • MS3109, MS3117
  • AS85049
  • M23053
  • RNF, SFR, SCL, NT/ NTFR, TMS, VITON
  • VERSAFIT, DWP, CRN, ES
  • EMS, EPS, KYNAR, NST, PSTH, VFP, EMW
  • VTN, COLD SHRINK

Now Stocking TE MTC Rectangular Connectors

TE Connectivity MTC product line is a complete modular connector system consisting of lightweight, environmentally sealed miniature rectangular connectors (shell housings with removable inserts) and individually removable rear-release contacts.

Features

  • Low-profile rectangular design for high packaging density
  • Environmental sealing for aerospace applications
  • Modular components for design versatility and logistics savings
  • Lightweight materials for weight savings
  • Quick-disconnect or jackscrew mating hardware

Components

  • Available with quick- disconnect mating hard- ware, EME shielding accessories, and modular inserts that can accommodate a mix of signal and power crimp contacts and coaxial contacts
  • Minimized need for special termination tooling
  • Improved ease of manufacturing and maintenance

Configurations

  • Jack screws or quick- disconnect hardware
  • Stacked or panel-mounted next to each other without any provision for grip space
  • Save significant panel area
  • Available in 1-inch and 2-inch configurations
  • Modular removable inserts with size 22 and/or size 16 contact cavities can be combined into the 1-inch and 2-inch MTC housings

Inserts

  • Available in 20-cavity and 5-cavity versions
  • 20-cavity insert accepts size 20-22 (24 AWG to 20 AWG wire) crimp contacts
  • 5-cavity insert accepts size 16–14 crimp contacts
  • Rear release insertion/extraction of the contacts