February 9, 2026
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.
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 vibratio
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.
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.