• Relays for railway infrastructure
  • Relays for energy production
  • Relays for rolling stock applications
  • relays for energy transmission
Search byType
Choose the type of relay which matches your specific needs (for example high speed relay, latching or lockout relay, relays with mechanically linked contacts) and you will see a list of electromechanical relays with the selected function.
Search byApplication
Choose the application sector for which you are selecting the relay. You will only see the components suitable to operate with the operational and environmental constraints present in the selected sector.
Search byModel
Explore the complete range of AMRA and MTI electromechanical relays and related accessories. Through this search mode you will get a total view of AMRA products, including trip relays, fast acting relays, forcibly guided contact relays etc.
Search byName
If you know the relay code, just type in the firsts three characters.
Key figures
+1 Mln Relays produced to date
2 Production sites
11% R&D invested resources
50 Years of activity
Reliable relays for demanding applications within critical infrastructures Discover in the video the critical sectors where AMRA operates and learn more about our approach to the design and manufacturing of electromechanical relays.
AMRA develops and manufactures reliable relays for demanding applications within critical infrastructures.
Engineering expertise, knowledge of the operating environment and attention to manufacturing details guide our design and manufacturing processes, for applications where continuous operation is essential.
Write-up
  • COME AND VISIT US @ INNOTRANS: Berlin, 22-25 SEPTEMBER 2026 | Hall. 11.1 Stand 430
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  • FAST RELAYS, HIGH-SPEED RELAYS AND TRIP RELAYS: SWITCHING TIMES AND RELIABILITY
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  • REPLACEMENT SOLUTION FOR SPRECHER + SCHUH CS1 RELAYS – AMRA TRIPOKS
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  • NEW RANGE OF TRIP RELAYS K86
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  • NEW RANGE OF TRIP RELAYS K94
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  • THE CONTACT RESISTANCE OF THE ELECTROMECHANICAL RELAY
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  • RGK: FORCIBLY GUIDED CONTACT RELAYS NOW ARE TIMED
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  • RANGE OF FORCIBLY GUIDED CONTACTS RELAYS, 2-4-8 CONTACTS, COMPLIANT TO EN 61810-3
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  • AMRA’S RELAY APPROVED BY RED ELECTRICA DE ESPANA
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AMRA is a leading manufacturer of electromechanical relays specifically for the railway and power sectors. Macherio facility, in the province of Monza e Brianza, is where all electromechanical relays are built and represents the CHAUVIN ARNOUX group's relay competence center. discover more
A.M.R.A. SpA
Via Sant'Ambrogio 23/25
20846 Macherio (MB)

Fiscal code – Vat ID: 02025350154
Phone: +39 039.245.75.45
Email: info@amra-chauvin-arnoux.it
PEC: amra@legalmail.it
Sdi Code: M5UXCR1
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Chauvin Arnoux group
Chauvin Arnoux® the trademark par excellence of the group of the same name offers an ample series of portable measuring instruments for use in various industrial sectors, in the tertiary sector, for residential applications and for administrative offices.
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