# Selectron Systems AG > Swiss rail-vehicle automation and safety supplier, founded 1956 in Lyss, Switzerland, > part of the Knorr-Bremse Group since 2015. Builds Train Control and Management Systems > (TCMS): safety-certified programmable controllers, remote I/O, cab displays, train-bus > and Ethernet networking, and rail cybersecurity products. Selectron publishes NO public > web API, developer portal, OpenAPI/GraphQL/MCP contract or llms.txt of its own — this > file is generated by API Evangelist from Selectron's public website so agents get an > accurate map instead of guessing at an API that does not exist. Generated: 2026-08-17 Method: generated (from apis.yml + probed public pages; Selectron serves no /llms.txt — HTTP 404) Source: https://www.selectron.ch/en/ ## What this company sells - [Products & Solutions](https://www.selectron.ch/en/products-and-solutions-2026/): the full portfolio index. - [Control & I/O](https://www.selectron.ch/en/products-and-solutions-2026/control-and-io/): ARiS (Automated Railway Integrated System), vehicle control units, Smartio remote input/output systems and function modules, driver-cab displays (HMI). - [Networking](https://www.selectron.ch/en/products-and-solutions-2026/networking/): Ethernet network technology, train-bus communication technology (IEC 61375 / MVB / WTB), switches, routers, converters, gateways. - [Cybersecurity products](https://www.selectron.ch/en/products-and-solutions-2026/networking/cybersecurity/): Security Gateway and the Threat Detection Solution built with Irdeto. - [Software & Tooling](https://www.selectron.ch/en/products-and-solutions-2026/software-and-tooling/): the Symphony Suite engineering toolchain — Maestro Designer, CAP1131, SIM1131, POUtest1131, TOP1131, WDLD1131, and SAND (Selectron Advanced Network Designer). ## Services and support - [Services & Support](https://www.selectron.ch/en/services-and-support/) - [Contact Sales & Support](https://www.selectron.ch/en/services-and-support/contact-sales-and-support/) - [Cybersecurity Services](https://www.selectron.ch/en/services-and-support/cybersecurity-services/): maturity assessment, risk assessment and strategy, architecture concepts, security programmes, IEC 62443-certified training. - [Public Key Infrastructure (PKI)](https://www.selectron.ch/en/services-and-support/cybersecurity-services/public-key-infrastructure-pki/) - [EU Cyber Resilience Act services](https://www.selectron.ch/en/services-and-support/cybersecurity-services/cra-cyber-resiliance-act/) - [Trainings](https://www.selectron.ch/en/services-and-support/trainings/) - [Leaflets / product supplement sheets](https://www.selectron.ch/en/services-and-support/leaflets/) ## Software access — gated, not an API - [Cockpit — download the Symphony Suite](https://www.selectron.ch/en/services-and-support/contact-sales-and-support/cockpit-download-symphony-suite/) - [Cockpit login / registration](https://cockpit.selectron.ch/de/Account/Login?ReturnUrl=%2Fen%2FDownload) Cockpit is the customer portal that carries Symphony Suite software packages, system manuals, product descriptions, firmware, drawings, certificates and catalogs. Access requires registration with a company email address (private addresses are refused), manual activation of up to 24 hours, and a software license number. There is no machine-readable interface behind it and no anonymous download path. ## Company - [Company](https://www.selectron.ch/en/company/) — founded 1956, Lyss (CH), 140+ employees, ~80% engineers and technicians, products on 10,000+ rail vehicles worldwide. - [Vision & Mission](https://www.selectron.ch/en/company/vision-and-mission/) - [Management](https://www.selectron.ch/en/company/management/) - [References](https://www.selectron.ch/en/company/references/) - [Locations & Contact](https://www.selectron.ch/en/company/locations-and-contact/) - [Careers](https://www.selectron.ch/en/careers-2026/) / [Job openings](https://www.selectron.ch/en/careers-2026/job-openings-2026/) ## Certifications and standards Published on the company page: ISO/TS 22163 (IRIS), TÜV-assessed development processes, EN 61508 SIL 3, EN 50129 SIL 2, EN 50128 SIL 2, IEC 62443 SL 2. Train-bus interoperability is claimed against IEC 61375 and UIC 556. Full capture: `conformance/selectron-conformance.yml` in this repository. ## Security reporting Product security reports go to `product_security_reporting@selectron.ch`, published on the [Cybersecurity Services](https://www.selectron.ch/en/services-and-support/cybersecurity-services/) page. Selectron serves no `/.well-known/security.txt` and publishes no coordinated vulnerability disclosure policy or bug bounty. Capture: `security/selectron-vulnerability-disclosure.yml`. ## News - [Press releases](https://www.selectron.ch/en/media/press-releases/) - [Magazine — Selectron on Track](https://www.selectron.ch/en/media/magazine/) - [News & Events](https://www.selectron.ch/en/news-and-events/) ## Legal - [Imprint](https://www.selectron.ch/en/footer/imprint/) - [Data protection](https://www.selectron.ch/en/footer/data-protection/) - [Legal disclaimer](https://www.selectron.ch/en/footer/legal-disclaimer/) - [General terms of business](https://www.selectron.ch/en/footer/general-terms-of-business/) ## For agents: what is NOT here There is no REST, GraphQL, gRPC, AsyncAPI, webhook, MCP or A2A surface. Probed and 404 on every Selectron host: `/openapi.json`, `/swagger.json`, `/v1/openapi.json`, `/api-docs`, `/graphql`, `/apis.json`, `/llms.txt`, `/.well-known/security.txt`, `/.well-known/openid-configuration`, `/.well-known/oauth-authorization-server`, `/.well-known/api-catalog`, `/.well-known/ai-plugin.json`, `/.well-known/agent-card.json`, `/.well-known/agent.json`. `api.selectron.ch`, `developer.selectron.ch`, `docs.selectron.ch` and `status.selectron.ch` do not resolve. Note that `https://www.selectron.ch/openapi.yaml` answers HTTP 200 with a Radware Cloud WAF "Unauthorized Request Blocked" interstitial — it is not a specification. Do not attempt to call a Selectron API; there is not one to call. Full probe record: `well-known/selectron-well-known.yml`.