SPA end position checking unit
General description
- a safety element of the railroad signaling technology
- used for indicating the entering of a rail vehicle into a point from the incorrect direction
- it is installed into the space between the sleepers onto prolonged slide rollers
- minimum requirements for maintenance, easy installation and setting
- its construction is resistant to the mechanical effects of the railroad environment
Basic technical description
- the sensor circuits ensure a two terminal disconnecting
- possibility of tamping sleepers without demounting sensors
- a double cover protects against weather
- the SPA position sensor contains a cam and two micro switches in a box from an aluminum alloy
- the box is connected via a bearing set to the prolonged slide rollers of a point
Compatibility
