What AMRA does

A.M.R.A. S.p.A. (AMRA) is an Italian manufacturer of high-reliability electromechanical relays serving the railway and electricity transmission sectors. Founded in 1975 under license of the Chauvin Arnoux Group and headquartered in Macherio (province of Monza e Brianza), AMRA operates as the group's dedicated relay competence center, consolidating all relay design, manufacturing, and R&D at its Italian facility. The company's product portfolio centers on three relay families: (1) trip relays including the K86 bistable lock-out and K94 monostable series with 4-12 SPDT contacts and high-burden options; (2) forcibly guided contact relays (RCG, RDG, RGG, RMGX, RGK) compliant with EN 61810-3 Type A for safety-critical applications; and (3) timed relays with programmable delays from 0.1s to over 16 hours. Proprietary design features include self-cleaning knurled contacts, optional magnetic arc blow-out, gold-plated low-load contacts, and high-burden configurations providing immunity to capacitive discharges and EMC disturbances. All products undergo 100% production testing.

AMRA sells to infrastructure operators, system integrators, rolling stock manufacturers, and EPC contractors under the AMRA, MTI, Chauvin Arnoux, and Chauvin Arnoux Energy brand names. Distribution leverages the parent group's global network of subsidiaries (France, Germany, Austria, Spain, Switzerland, UK, USA, China, Sweden, Lebanon, Australia) and affiliates in India and Brazil, reaching more than 100 countries. The company holds ISO 9001:2015 (since 1993), ISO 14001, RoHS 2, and WEEE certifications, complies with rail-specific standards (EN 60077, EN 61373, EN 45545-2), and has been approved by Red Electrica De Espana for HV substation duty. Pricing is quote-based via direct inquiry channels, supporting a multi-year B2B contract model typical of safety-critical industrial components.

AMRA employs 51-100 people, invests 11% of resources in R&D, and has cumulatively produced over 1 million relays since inception. Revenue is not publicly disclosed; the business operates as a wholly-owned subsidiary of the privately held Chauvin Arnoux Group, with no external funding rounds, no public listing, and no minority shareholders disclosed. The December 1999 absorption of MTI s.r.l. remains the company's sole M&A event.

Name

AMRA

Legal name

A.M.R.A. S.p.A.

Website

https://amra-chauvin-arnoux.it

Company type

Private

Founded year

1975

Operating status

Operating

Headcount range

51–100 employees

Short description

AMRA is the Chauvin Arnoux Group's relay competence center, designing and manufacturing high-reliability electromechanical relays — including trip, forcibly guided contact, and timed relays — for railway and electricity transmission operators worldwide.

Ownership category

akta.pro rank

Product category

Electromechanical Relays

NAICS

Relay and Industrial Control Manufacturing (335314)

SIC

Electrical Industrial Apparatus (3620)

akta.pro primary industry

Electromechanical Components (Relays, Switches, Potentiometers, Encoders) (IMAGAJAB)

Keywords

• Electromechanical relays
• Railway signaling relays
• Power transmission components
• Safety critical relays
• Trip protection relays

Headquarters

HQ city

Monza

HQ country

Italy

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Technology or R&D, Supply Chain, Marketing or Sales, Infrastructure

Revenue model

1. Electromechanical relay product sales: AMRA designs, manufactures, and markets high-reliability electromechanical relays for railway and power transmission sectors. Products are sold under AMRA, MTI, CHAUVIN ARNOUX, and CHAUVIN ARNOUX Energy brand names in over 100 countries. Revenue is generated through direct product sales to qualified infrastructure operators, EPC companies, and rolling stock manufacturers.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

AMRA designs, manufactures, and markets high-reliability electromechanical relays for railway (rolling stock and fixed plant infrastructure) and energy (power generation, transmission, and distribution) sectors. The product range includes trip relays (monostable and bistable/latching), forcibly guided contact relays compliant with EN 61810-3 type A for safety-critical applications, timed relays with programmable delays, instantaneous relays, and mounting accessories (sockets and adapters). Products are sold under the AMRA, MTI, CHAUVIN ARNOUX, and CHAUVIN ARNOUX Energy brand names to infrastructure operators, rolling stock manufacturers, system integrators, and EPC companies in over 100 countries.

Product overview

AMRA designs, manufactures, and markets high reliability electromechanical relays for railway (rolling stock and fixed infrastructure) and energy sectors (power generation, transmission, and distribution). The product portfolio centers on three main relay categories: (1) Trip relay series including K86 (bistable lock-out relays) and K94 (monostable) with 4-8-12 contact configurations and high-burden options; (2) Forcibly guided contact relays (RCG, RDG, RGG, RMGX, RGK) compliant with EN61810-3 type A for safety-critical applications; and (3) Mounting accessories including PAIR, PRIR, PAVM, PRVM socket adapters. Products are sold under AMRA, MTI, CHAUVIN ARNOUX, and CHAUVIN ARNOUX Energy brands. The company maintains 11% R&D investment and 50 years of experience with over 1 million relays produced to date.

Differentiator

Problem solved

Functional benefit

Brands

• AMRA-MTI: Product line combining AMRA and MTI relay brands for railway and energy applications.
• RGK
• K94 Trip Relay Series
• K86 Lock-out Relay Series

Products and services

• K86 Trip Relay Series Fast-acting lock-out (bistable) trip relays with 4-8-12 SPDT contacts, featuring high-burden option for immunity to capacitance discharges and manual set/reset operation. Designed for harsh environments in energy transmission stations and production plants.
• K94 Trip Relay Series Fast-acting monostable trip relays with 4-8-12 SPDT contacts, featuring high-burden option and manual set/reset. Designed for rapid fault extinction in medium and high voltage switch control chains.
• RGMV/RMMV Monostable Trip Relays Monostable plug-in trip relays, fast acting, with 4-12 contacts rated at 10A. Switching times under 8ms with high electrical life expectancy and exceptional endurance for heavy duty DC loads.
• RGBV/RMBV Bistable Trip Relays Bistable (latching) plug-in trip relays, fast acting, with 4-12 contacts rated at 10A. Provide hold function requiring intentional reset for system restart in safety-critical applications.
• RMGX Forcibly Guided Contact Relay Instantaneous plug-in relays with 8 contacts (6 changeover + 2 NO), 12A rating. Forcibly guided contacts compliant with EN61810-3 type A for safety applications with self-cleaning knurled contacts and optional magnetic arc blow-out.
• RGG Forcibly Guided Contact Relay Instantaneous plug-in relays with 4 changeover contacts, 12A rating. Forcibly guided contacts compliant with EN61810-3 type A, suitable for rolling stock with knurled finish for lower ohmic resistance.
• RDG Forcibly Guided Contact Relay Compact plug-in instantaneous relays with 4 changeover contacts, 10A rating. Forcibly guided contacts compliant with EN61810-3 type A, IP50 protection, optional magnetic arc blow-out.
• RGK Timed Forcibly Guided Contact Relay Plug-in timed relays with 4 C/O contacts, 12A rating. Programmable pick-up or drop-out function with time settings from 0.1s to over 16 hours. Compliant with EN 61810-3 type A for safety-critical applications.
• RCG Forcibly Guided Contact Relay Instantaneous plug-in relays with 2 changeover contacts. Forcibly guided contacts compliant with EN61810-3 type A for safety-critical applications.
• PAIR Series Socket Adapters Front connection sockets with spring clamp terminals for panel or DIN rail mounting, supporting cables up to 2.5mm² with operating temperatures from -50 to +70°C.
• PRIR Series Socket Adapters Rear connection sockets for secure relay mounting with various terminal configurations including screw clamp and faston options.
• PAVM/PRVM Series Mounting Adapters Panel and DIN rail mounting adapters with IP20 protection ratings and multiple contact configurations for multi-pole relays.

Quantifiable outcome

• Over 1 million relays produced to date across 50 years of activity
• +5 more outcomes

Named customers1 record

Segments4 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

One partnership is on record.

• Chauvin Arnoux GroupcoreOthersAMRA S.p.A. is a subsidiary of the Chauvin Arnoux Group and serves as the group's dedicated relay competence centre. The Group (founded 1893, headquartered in Paris) operates 7 production sites globally (5 in Europe, 1 in USA, 1 in China) and is present in 10 countries with subsidiaries. AMRA designs, manufactures, and markets electromechanical relays as part of the group's broader measurement technology portfolio.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• ABB: Global industrial automation and electrification giant offering a broad portfolio that includes safety relays, protection relays, and substation components. Comparable to AMRA as a competing supplier into railway and energy operators, though ABB's offering is far wider and not specialized in electromechanical relays.
• Siemens: Major provider of railway signaling (Trainguard, Sipax) and grid protection relays, with extensive overlap in AMRA's railway and energy T&D verticals. Operates at much larger scale and bundles relays into broader signaling and protection systems.
• Schneider Electric: Provides safety relays, control relays, and protection components sold into industrial, energy, and rail infrastructure customers globally. Comparable buyer overlap and standards-driven product portfolio, though Schneider's range extends well beyond electromechanical relays.

Direct peers

• Finder: Italian-headquartered manufacturer of relays (industrial, PCB, power, solid-state) and timers serving industrial and energy customers globally. Most direct geographic and product-line peer to AMRA among European relay specialists, competing for similar sockets in panel builders and OEM accounts.
• Omron: Major Japanese manufacturer of industrial control and safety relays (G7S, G7SA series with forcibly guided contacts compliant with EN 61810-3), serving factory automation, energy, and rail customers. Directly comparable in product category and safety-relay certification scope.
• TE Connectivity: Global manufacturer offering electromechanical relays, safety relays, and contactors for industrial, rail, and energy applications. Comparable product overlap and broad multinational customer base, though larger and more diversified than AMRA.
• Phoenix Contact: German manufacturer of industrial connection technology, automation, and relay modules including safety relays (PSR range) with EN 61810-3 compliance. Comparable in safety-critical relay offering, particularly into European rail and energy panel builders.
• Eaton: US-based diversified industrial manufacturer offering safety relays, control relays, and switching components serving rail, energy, and heavy industry. Comparable customer set and standards-driven product portfolio (EN 61810-3, IEC ratings), at significantly larger scale.
• Mors Smitt: Dutch specialist in relays and contactors for railway rolling stock and fixed plant, with strong European rail operator footprint. Highly comparable niche focus on safety-critical rail relays, directly competing for similar rolling stock and signaling design-ins.

Regional players

• Schrack Seconet: Austrian-headquartered specialist in rail signaling, interlocking, and related relay-based safety systems primarily serving DACH and Central European rail operators. Comparable in railway safety-relay domain expertise though primarily regional rather than globally distributed.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about AMRA