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By the Swedish national railway, TRAFIKVERKET, selected and approved method for drilled rail web connections.
Rail web electrical connection system for railbonds for signalling, return traction and earthing applications within the Rail industry.
See the SafePlug® video here.
Where to use drilled rail plugs?
SafePlug®, Rail drilling plug, used for connecting electrical cables and connectors to railway rails ( vignoles rail), and tramway rail, also known as grooved rail and girder rail. The cables might be for signals, power supplies and protective earthing along the railway.
To attach the drill plugs one use of a rail drilling machine, and special drill for rail to drill the hole in the rail. SafePlug® bushings fitted with an impact wrench or a standard torque wrench and an installation tool that expands a tin-plated bushing into the hole. Then assemble the cable lug with the enclosed screw joint.
What does the SafePlug® so special?
Safetrack's drill plugs for rail has been developed since the existing brands in the market are not taken into account the impact of vibrations and the strong temperature differences. These temperature differences lead to that the rail expands and decreases ( constrict), substantial in size both during winter to summer, but also from night to day.
If not use SafePlug® with its patented features with the unique high-strength 10.9 stainless steel. Affected to a constant reduced contact pressure between the bushing and the rail which ultimately results in a contact fault directly or corrosion with a contact fault as a result.
Such defects may never actually occur because the drill plugs into rail usually are used for protective earthing along the track. Should these protective earthing fall, it means great danger to the track staff and for the public.