
K2 InsertionRail 2.0 RailConnector for Joining Rails
Product details
A roof wider than one rail needs a joint, and this is it. The RailConnector splices two lengths of K2 InsertionRail 2.0 end to end, so the row behaves as one rail rather than two that have to be lined up by eye.
That matters more on an insert system than on a clamped one. The module edge slides into the channel, so a step of even a millimetre at the joint is felt as the panel is pushed home.
Where the joint falls
The position of a splice is not free. K2's installation guidance sets where a connector may sit relative to the fixings below it, because the joint is the weakest point of the run and should not land mid-span. Take that from the design output rather than from wherever the rail happens to end.
On a long row it pays to plan the splices before ordering: staggering them between adjacent rails keeps every joint clear of its neighbour.
Order alongside
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K2 InsertionRail 2.0 – 30; 5.70m
The rail this connector joins. Two rails and one connector give an 11 m run.
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K2 InsertionRail 2.0 CrossConnector T Set
Fixes the insertion rail down to the K2 mounting rail underneath it.
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K2 InsertionRail 2.0 EndStop
Closes each end of the completed run.
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K2 InsertionRail 2.0 Cover 30, 2.85m
The trim that finishes the channel once the modules are in.
Questions on the RailConnector
One per joint, so a run of three rails takes two connectors. Count joints, not rails.
Treat the splice as a detail K2's design output governs – it sets where the joint may fall relative to the fixings. Do not place one mid-span on assumption.
This is the 2.0 connector. Check which generation of rail is on the roof before ordering, because the profiles differ.
No separate fixings are listed for the connector itself, but the rail still needs its CrossConnector sets to hold it to the mounting rail.
Build your complete solar system
Everything you need in one place.
- Inverters
- Batteries
- Mounting Systems
- Cabling & Accessories
Delivery times vary by region:
- UK — 1-2 business days
- Highlands & Islands — 1-2 business days
Returns accepted within 14 days of delivery for unused items in original packaging.




