Rail Activities
The Rail Industry requires the best technology
FIRST was founded on the basis of providing its customers with a wide range of hermetically sealed, high reliability relays and switching solutions for the most severe applications.
FIRST relays are manufactured, tested and screened to customer specifications and approved by various Rail authorities.
Our products are used in Switching equipment, Braking systems, Door controls, Computer based train controls, Safety relays…
Rail Relays & Systems by FIRST
Our Rail Relays are in accordance to customer’s specific requests, and to the relevant applicable standard specifications, such as NF-F-62002, EN-50205,….
We provide a complete range of hermetically sealed relays for Rail Applications from 1 to 50 Amps.




Established in 1955 and historically positioned in the defense sector, FIRST continues to develop and adapt its product capabilities to ever-changing market demands. Today, FIRST, with operations in France and India, supports several market sectors including Space, Commercial and Military Aeronautics, Industry & Railways.
FIRST is present in the Railway industry since 1985, and is specifically dedicated to supplying safety & high-reliability electromechanical relays, PC boards & Relays panels, and sub assemblies according to NF-F-62002 & EN-50205.
FIRST, with its own design engineering team, proposes innovative solutions with SSPC’s, electronic devices & field bus protocol and safety equipment according to SIL standard. The qualification to the highest standards and the involvement in the major Railway programs show the trust of the Railway Experts Community in our products and in our capacity to develop, manufacture, and deliver high reliability solutions.
FIRST is ready to support your Rail projects.
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- MARKETS
- Aerospace
- Military / Defense
- Marine
- Railway
- Space
- Industry /Other
- PRODUCTS
- Non Latching Relays
- Latching Relays
- Sockets
- Application Notes
- Maintenance
- Timers
- CONTACT RATING
- 1A
- 2A
- 3A
- 5A
- 10A
- 15A
- 25A
- 50A
- 1A 72Vdc
- 3A 72Vdc
- 20mA 72Vdc
- 3A 110Vdc
- 15A 30Vdc
- 75A 28Vdc
- 50A 50Vdc
- 1A 28Vdc
- 1A 28Vdc 60mA
- CONTACT ARRANGEMENT
- 1PDT
- 2PDT
- 3PDT
- 4PDT
- 6PDT
- 1NO 1NC
- 2DPDT
- 3DPDT
- 3NO SPDT
- 2PDBDT
- 1NO + 1PDT
- 1PDBDT
- 3PDBDT
- 2PDT+1PDT
- 2NO 2NC
- 3NO 3NC
- 4PDT/RAILWAYS
- 1NO 1NC + 2PDT
- DPDT
- 1NO 1NC + 4PDT
- 2NO 2NC + 2PDT
- 4NO + 1NO 1NC
- 1NO 1 NC + 1PDT
- 6PDT/RAILWAYS
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