Rails and components
Two rail profiles, one clamp family, and every bracket and fastener in the PRO range, by code.
Typical PRO rail section: the rail nut and SUS304 M8 bolt hold the end clamp on the module frame.
- Anodised as standard
- 10 µm
- Every aluminium part is AL6005-T5, anodised to 10 µm as standard, not mill finish. Bolts and splice hardware are SUS304 stainless steel. Aluminium and SUS304 parts are warranted 20 years in ISO 9223 corrosion classes C1 to C4.
- Rail lengths
- 3150 to 5150 mm
- PRO Rail H and PRO Rail 47
- Module frames
- 30 to 45 mm
- 30 and 35 mm standard; adjustable end clamp 30 to 45 mm
- Torque
- 16 to 20 N·m
- Clamps, splices and rail nut kits
- Earthing cable
- 35 mm²
- The most the grounding lug takes
Where it fits
For installers ordering spares or building a bill of materials: every rail, clamp, splice, bracket and fastener by catalogue code.
Rails
PRO Rail 47 (LMS-PRO-RAIL47) in 3150, 4150, 4400, 4700 and 5150 mm. PRO Rail H (LMS-PRO-RAILH) in 3150, 4150, 4700 and 5150 mm.
Clamps
End and inter clamps for 30 mm and 35 mm frames with bonding pins; adjustable end clamp for 30 to 45 mm.
Splices
PRO Rail 47 splice, PRO Rail H splice and tilt splice, AL6005-T5 with SUS304.
Brackets
Universal Cardwell bracket L300; L-bracket kits, plain or corrugated, portrait or landscape.
Hardware
Rail nut; rail nut kits and hexagonal socket bolt kits in M8 × 20, 25 and 30.
Electrical
Earth grounding lug (LMS-EGL-KIT); cable clip for two 6 mm PV cables (LMS-CC).
What is in the kit
End and mid clamps with their bolts and rail nuts, the splice at a rail joint and the grounding lug, on either rail. Select any part for its material and finish.
A section at the end clamp: parts 1 to 5. The mid clamp (6) and the splice (7) are in the 3D model.
| Item | Description | Code |
|---|---|---|
| 1 | LMS-EC30-35-KIT-BP | |
| 2 | LMS-HSB-M8x20-KIT, -M8x25-KIT, -M8x30-KIT | |
| 3 | LMS-RN | |
| 4 | LMS-PRO-RAILH | |
| 5 | LMS-EGL-KIT | |
| 6 | LMS-IC30-35-KIT-BP | |
| 7 | LMS-PRO-RAILH-SP-KIT |
Select a part, in the list or in the model, for its code, material and finish.
A representative model for reading the assembly, not a design drawing. PV modules are shown for reference and are not part of the kit. Quantities are set for each project. Both rails are shown with the same generic section, not their true profiles.
More in this family
Inter clamps with electrical bonding
LMS-IC30-35-KIT-BP: bonding pins and earthing plates bond rail and module, so the inter clamps electrically bond all the panels in a row.
FRP walkways
A new accessory: walkways in fibre reinforced plastic (FRP).
- Lightweight access around the array for routine maintenance.
- They protect the roof surface underfoot.
Specification
From the Lumasol installation manual and product catalogue. Each system is designed for its project and ships with a detailed installation guide.
Compare rails and components with the other kit families| Materials | AL6005-T5 aluminium rails, clamps, brackets, rail nuts and grounding lug. SUS304 bolts, cable clips and splice hardware. |
|---|---|
| Finish | Aluminium anodised to 10 µm. Splice bolts, star washers and earthing clips pierce the anodising to bond. |
| Rail profiles | PRO Rail 47 and PRO Rail H.The flush manuals use Rail H; the tilt and tile manuals use Rail 47. |
| Frames | 30 mm and 35 mm (end clamp pre-set for 30 mm); adjustable end clamp 30 to 45 mm. |
| Rail rules | Each rail on at least two supports. Splices within 1/4 span of a support, never over a support or at mid-span. Overhang up to 40% of the last span. |
| Corrosion class | Anodised aluminium and SUS304 stainless steel: 20 years in C1 to C3 and in C4, not warranted in C5. Screws (1022A, class 3): 20 years in C1 to C3. |
| Fastening | Clamps, splices and rail nut kits 16 to 20 N·m. Grounding lug M8 × 25 at 16 to 20 N·m; cable bolt M8 × 20 at 8 to 12 N·m; cable up to 35 mm². |
The PRO range by code
| Code | Part | Group |
|---|---|---|
| LMS-PRO-RAIL47 | PV mounting rail 47: 3150, 4150, 4400, 4700, 5150 mm | Rails |
| LMS-PRO-RAILH | PV mounting rail H: 3150, 4150, 4700, 5150 mm | Rails |
| LMS-EC30-35-KIT-BP | End clamp kit, 30 and 35 mm frames, bonding pins | Clamps |
| LMS-IC30-35-KIT-BP | Inter clamp kit, 30 and 35 mm frames, bonding pins, earthing plates | Clamps |
| LMS-AEC30-45-KIT | End clamp kit, adjustable, 30 to 45 mm frames | Clamps |
| LMS-PRO-RAIL47-SP-KIT | Splice kit, PRO Rail 47 | Splices |
| LMS-PRO-RAILH-SP-KIT | Splice kit, PRO Rail H | Splices |
| LMS-TILT-SPLICE-KIT | Splice for tilt kits | Splices |
| LMS-CB-300-KIT | Universal Cardwell bracket, L300 | Brackets |
| LMS-LB-KIT | L-bracket kit | Brackets |
| LMS-LB-COR-KIT-P | L-bracket kit, corrugate, portrait | Brackets |
| LMS-LB-COR-KIT-L | L-bracket kit, corrugate, landscape | Brackets |
| LMS-RN | Rail nut | Hardware |
| LMS-RN-M8x20-KIT | Rail nut kit, M8 × 20 (also × 25, × 30) | Hardware |
| LMS-HSB-M8x20-KIT | Hexagonal socket bolt kit, M8 × 20 (also × 25, × 30) | Hardware |
| LMS-EGL-KIT | Earth grounding lug, L25 | Electrical |
| LMS-CC | Cable clip, for two 6 mm PV cables | Electrical |
Materials and corrosion by site
- Rails, clamps, brackets, rail nuts and the grounding lug: AL6005-T5 aluminium, anodised to 10 µm.
- Bolts, cable clips and splice hardware: SUS304 stainless steel.
- Splice bolts, star washers, bonding pins and earthing clips pierce the anodising to bond rails and module frames.
| Site class | Aluminium rails, clamps, nuts and lug | SUS304 bolts and hardware |
|---|---|---|
| C1 to C3Inland | 20 years | 20 years |
| C4Coastal or industrial | 20 years | 20 years |
| C5Severe | Not warranted | Not warranted |
- Classes to ISO 9223. Warranty from delivery, with the product registered within 30 days of purchase.
- The interface spacing for each system, and its reduction in C4 and C5, is on that kit's page.
Rail rules
How every Lumasol rail is supported and joined, from the installation manuals.
| Condition | PRO Rail H | PRO Rail 47 |
|---|---|---|
| Lengths | 3150, 4150, 4700, 5150 mm | 3150, 4150, 4400, 4700, 5150 mm |
| Used in | Flush mount on IBR and Klip-Lok / Saflok | Tilt mount, tile and slate, and flush mount on L-brackets |
| Splice kit | LMS-PRO-RAILH-SP-KIT | LMS-PRO-RAIL47-SP-KIT |
| Supports per rail | At least two | At least two |
| Splice position | Within ¼ span of a support, never over a support or at mid-span | Within ¼ span of a support, never over a support or at mid-span |
| Rail end overhang | Up to 40% of the last span | Up to 40% of the last span |
- At 1.5 m spacing the rail can overhang the last interface by up to 600 mm.
- Lengths are those in the product catalogue.
Installation
The sequence from the Lumasol manual, for PRO Rail H. The manual is the reference on site.
Step 1: Rail nuts and bolts
- Slide the rail nut and bolt set into the rail channel from the side, under each clamp position.
- Bolt lengths M8 × 20, 25 or 30 suit the clamp and frame height.
Step 2: Join the rails
- Join rails with the splice within ¼ span of a support, never over a support or at mid-span.
- Splice bolts at 16 to 20 N·m; they pierce the anodising to bond the rails.
Step 3: Clamp the modules
- Set the end clamp for 30 or 35 mm frames with its two holes, or use the adjustable end clamp for 30 to 45 mm.
- Slide mid clamps with earthing clips between modules; clips are single use. Tighten every clamp to 16 to 20 N·m once the modules are in their final position.
Step 4: Earth each rail row
- One grounding lug per rail row: in the top channel, in the top channel under the module (modules up to 30 mm high), or in the side channel.
- Lug on M8 × 25 bolts at 16 to 20 N·m; earthing cable up to 35 mm², clamped with the M8 × 20 bolt at 8 to 12 N·m.
- Check the resistance between the rail and the conductor.
| Fixing | Codes | Torque |
|---|---|---|
| End and mid clamps | LMS-EC30-35-KIT-BP, LMS-IC30-35-KIT-BP | 16 to 20 N·m |
| Rail splices | LMS-PRO-RAILH-SP-KIT, LMS-PRO-RAIL47-SP-KIT | 16 to 20 N·m |
| Rail nut kits | LMS-RN-M8x20-KIT | 16 to 20 N·m |
| Grounding lug, M8 × 25 | LMS-EGL-KIT | 16 to 20 N·m |
| Earthing cable bolt, M8 × 20 | LMS-EGL-KIT | 8 to 12 N·m |
Stainless fasteners can gall. Apply force evenly along the thread, use power tools at low speed, and avoid impact drivers.
Tools
- Screwdriver
- Drill bits for M8 bolts
- Torque spanner
- 5 m tape
- Marker pen
- String line
Technical questions
Which rail profiles and lengths are available?
PRO Rail 47 (LMS-PRO-RAIL47) in 3150, 4150, 4400, 4700 and 5150 mm, and PRO Rail H (LMS-PRO-RAILH) in 3150, 4150, 4700 and 5150 mm, both AL6005-T5. The flush manuals use Rail H; the tilt and tile manuals use Rail 47.
Which panel frame thicknesses do the clamps take?
The end and inter clamp kits take 30 mm and 35 mm frames; the end clamp is pre-set for 30 mm and has two holes to switch. The adjustable end clamp takes 30 to 45 mm.
Are the clamps earthed?
Yes. Bonding pins on the end and mid clamps pierce the module anodising, and the earthing clip under the mid clamp pierces both rail and panel. Earthing clips are single use. Fit one grounding lug per rail row.
Where should rail splices go?
Not directly over a support or at mid-span between two supports; within 1/4 of the span from a support. Tighten splice bolts to 16 to 20 N·m. Each rail must sit on at least two supports.
How far can a rail overhang the last support?
Up to 40% of the installed spacing of the last interface. At 1500 mm spacing that is 600 mm.
What size is the grounding lug cable, and what torque?
Earthing cable up to 35 mm². Fix the lug with M8 × 25 bolts at 16 to 20 N·m and clamp the conductor with the M8 × 20 bolt at 8 to 12 N·m, then check the resistance between rail and conductor.
Quote a rails and components kit
Send the roof or site, the system size and a layout if you have one. The quote request opens with rails and components selected.