Fischer Connectors, a global leader in high-performance connectivity solutions known for its Swiss engineering excellence, has introduced an ultra-rugged USB-C connector featuring its proprietary Ratchet Locking System (RLS) . This latest innovation is part of the company’s flagship Fischer UltiMate™ Series , designed specifically for use in harsh and mission-critical environments.
The newly launched Fischer UltiMate USB-C connector with RLS combines the universal compatibility of the USB-C standard with Fischer Connectors’ signature ruggedization technology. Engineered to withstand extreme mechanical stress, this connector ensures uninterrupted, high-speed data transmission even under intense vibration and shock conditions.
Designed for High-Vibration Applications
Ideal for industries such as defense, UAVs/UGVs, railways, motorsports, mining, and heavy construction , the connector delivers superior performance where reliability is non-negotiable. It is especially suited for applications like armored vehicles, autonomous systems, rail infrastructure, and high-speed racing equipment — all of which demand durable, secure, and fast connectivity.
Revolutionary Ratchet Locking System
At the core of this innovation is the Ratchet Locking System (RLS) , which uses an asymmetrical tooth profile to securely lock the connection under load. Key features include:
- Exceptional vibration resistance
- Tool-free operation for easy mating and unmating
- Durability across 3,000 mating cycles
- Ability to withstand up to 37.8 Grms random vibration and 300g shock amplitude
This level of performance makes it one of the most mechanically robust connectors in Fischer Connectors’ portfolio.
Performance Validated Through Rigorous Testing
The connector has been independently tested and certified to endure:
- 5.35 Grms random vibration (50–2000 Hz)
- 10g sinusoidal vibration (10–500 Hz)
- Shock up to 100g half-sine pulse
It also offers:
- IP68-rated plug and hermetic receptacle (<10⁻⁸ mbar·l/s)
- Operating temperature range: -30°C to +80°C
- Corrosion resistance: 350 hours salt mist
- Full 360° EMC shielding
“This new USB-C RLS connector meets international standards including IEC and MIL-STD,” said Alexandra Monchâtre, Head of Product Management at Fischer Connectors . “It brings together the best of both worlds — the universal USB-C interface and our ultra-rugged design.”
High-Speed Data Transmission in Compact Form Factor
Supporting USB 3.2 Gen 1×2 with data speeds up to 10 Gbit/s , the connector maintains signal integrity while offering power delivery and video transmission capabilities. Its compact footprint makes it ideal for space-constrained, high-density electronic devices used in extreme environments.
The connector is available as a pre-cabled plug and receptacle with a flexible PCB, ensuring ease of integration and long-term reliability.
Expanding High-Speed Connectivity Solutions
The launch of the UltiMate USB-C RLS connector enhances Fischer Connectors’ existing lineup of high-speed interconnects, which support protocols such as:
- Ethernet up to 10 Gbit/s
- Audio/UHD Video up to 18 Gbit/s (HDMI 2.0 type)
- Single Pair Ethernet (SPE)
“We are combining miniaturization, speed, and ruggedness into a unified platform that meets the evolving needs of engineers working in extreme conditions,” explained Alvaro Goncalves, Technology Director at Conextivity Group , parent organization of Fischer Connectors. “This connector exemplifies how we integrate advanced technologies to deliver interoperable, high-performance connectivity solutions.”
Learn More
For more information on the Fischer UltiMate™ Series USB-C with Ratchet Locking System , visit:
About Fischer Connectors
Fischer Connectors is a leading global provider of high-performance connectivity solutions for demanding environments. With over 70 years of Swiss engineering expertise, the company designs and manufactures rugged, reliable, and innovative circular connectors for industries such as defense, aerospace, industrial automation, medical, and transportation. Fischer Connectors is part of the Conextivity Group , a global leader in advanced interconnect technologies.
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