derail
Also known as derailer
thumb|upright|Hinged derail with automatic blue flag
Wikidata facts
- Image
- Derail portable.jpg
Sources (2)
via Wikidata · CC0
Article
10 sectionsContents
- Applications
- Design
- Wedge
- Split rail
- Portable
- Powered
- Failures
- See also
- References
- Sources
thumb|upright|Hinged derail with automatic blue flag
A derail or derailer is a device used to prevent fouling (blocking or compromising) of a rail track (or collision with anything present on the track, such as a person, or a train) by unauthorized movements of trains or unattended rolling stock. The device works by derailing the equipment as it rolls over or through it.