K2 MultiRail System
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K2 MultiRail System
MultiRail 25
Product number:
2002793
Short rail with static confirmation in K2 Base. For direct mounting in landscape orientation on sheet metal roofing. Length: 250 mm. Material: Aluminium EN AW-6063 T66, EPDM
MultiRail 10
Product number:
2001300
Short rail with static confirmation in K2 Base. For direct mounting in landscape orientation on sheet metal roofing. Length: 100 mm. Material: Aluminium EN AW-6063 T66, EPDM
MultiRail 25 CSM
Product number:
2004210
Short rail with static confirmation in K2 Base. For direct mounting in landscape orientation on corrugated sheet metal covering with a radius of 22-45 mm. Length: 250 mm. Material: Aluminium EN AW-6063 T66, EPDM
MultiRail 10 CSM
Product number:
2004209
Short rail with static confirmation in K2 Base. For direct mounting in landscape orientation on corrugated sheet metal covering with a radius of 22-45 mm. Length: 100 mm. Material: Aluminium EN AW-6063 T66, EPDM
K2 Clamp MC 25-40 mm
Product number:
2004146
Universal module middle clamp for fixing solar modules with frame heights of 25-40 mm. Not compatible with the K2 Dome 6 System.
K2 Clamp EC 30-40, Hybrid
Product number:
2003451
Universal module end clamp for fixing solar modules with frame heights of 30-40 mm. Not compatible with the K2 Dome 6 System. Material: Aluminium EN AW 6063 T66, Badamid B70, stainless steel A2
Universal End Clamp OneEnd
Product number:
2002514
Universal module end clamp with simple "click function" for fixing solar modules with frame heights of 30-42 mm. Not compatible with the K2 Dome 6 System and K2 FlatRail, SolidRail L/ LS /XL and CrossRail 62/ 90. Material: Aluminium EN AW 6063 T66 / A2 / POM
Universal Middle Clamp OneMid 30-42 mm
Product number:
2003071
Universal module middle clamp with simple "click function" for fixing solar modules with frame heights of 30-42 mm. Not compatible with the K2 Dome 6 System and K2 FlatRail, SolidRail L/ LS /XL and CrossRail 62/ 90. Material: Aluminium EN AW 6063 T66 / EN AW 6082 T6 / A2 / POM
Universal Middle Clamp OneMid 30-42 mm, black anodized
Product number:
2003072
Black anodized universal middle clamp with simple "click function" for fixing solar modules with frame heights of 30-42 mm. Not compatible with the K2 Dome 6 System and K2 FlatRail, SolidRail L/ LS /XL and CrossRail 62/ 90. Material: Anodized aluminium EN AW 6063 T66 / EN AW 6082 T6 / A2 / POM. Eloxal may show slight scratches as a result of packaging and transport.
Universal End Clamp OneEnd, black anodized
Product number:
2002589
Black anodized universal module end clamp with simple "click function" for fixing solar modules with frame heights of 30-42 mm. Not compatible with the K2 Dome 6 System and K2 FlatRail, SolidRail L/ LS /XL and CrossRail 62/ 90. Material: Aluminium EN AW 6063 T66 / A2 / POM. Eloxal may show slight scratches as a result of packaging and transport.
Thread-forming metal screw
Product number:
1005207
Thread-tapping screw 6x25 mm for non-cutting processing, approved for sheet thicknesses (steel and aluminium) from 0.4 mm to 1.25 mm. With General approval. Certification: abZ (de), ETA (eu), ETN (fr). Material: stainless steel A2, EPDM
PVX Minimount rail
Product number:
2003387
The UV-resistant PVX Minimount provides a multifunctional cable management system for mesh tray suitable for K2 Systems mounting rails. Compatible mesh tray: 2004054. Material: PE and ASA
PVX Minimount trapezoidal
Product number:
2003386
The UV-resistant PVX
Minimount
provides a multifunctional cable management system for mesh tray on trapezoidal roofs. Compatible mesh tray: 2004054. Material: Nylon PA6GF30, Halogen free, UV resistant
AddOn 30
Product number:
2001707
The K2 AddOn 30 mounting adapter enables grid or shared-rail installation without additional rails or clamps for module frame heights of 30-34 mm. Fits most K2 SolidRails, CrossRails, SingleRails and
BasicRail
. Not suitable for CrossRail 62 & 90 and SolidRail Alpin & XL. Material: glass fibre reinforced polyamide
AddOn 22/25
Product number:
1005530
The K2 AddOn 22 mounting adapter enables grid or shared-rail installation without additional rails or clamps for module frame heights of 35-50 mm. Fits all K2 SolidRails, CrossRails, SingleRails and BasicRails. Material: glass fibre reinforced polyamide
RailUp Set
Product number:
2003191
Optional addition for the K2
BasicRail and MultiRail system. The RailUp Set allows the modules to be raised using a minimum of material and to optimise module ventilation on the trapezoidal sheet metal roofs. Furthermore the installation of power optimizers and microinverters becomes easier. The set includes all screws and nuts necessary for the installation. The RailUp set is mounted under each module clamp and is compatible with the universal K2 clamps OneMid/OneEnd as well as the K2 standard module clamps. It is not compatible with the K2 AddOn. Material: aluminium, stainless steel and TPC
TerraGrif QL
Product number:
2004231
Mounting accessories for establishing equipotential bonding of the K2 mounting systems or for earthing the module frames. Compatible moduleclamp: K2 Clamp 25-40.
TerraGrif K2SZ
Product number:
2001881
Mounting accessories for establishing equipotential bonding of the K2 mounting systems or for earthing the module frames. Incompatible systems:
BasicRail
(landscape mounting). Material: stainless steel 301 TA
TerraGrif K2U17 Portrait
Product number:
2000056
The mounting accessory enables potential equalisation of the K2 mounting systems or earthing of the module frames. The TerraGrif K217 can be easily attached to the underside of the module frame and is compatible with almost every module type. The material is 301 TA stainless steel and can be placed in the area of the adjacent elevation or mounting system components.
Black anodized module end clamp set for fixing solar modules with frame heights 30-31 mm. Not compatible with the K2 Dome 6 System. Material: Anodized aluminium EN AW-6063 T66, stainless steel A2, PA. Eloxal may show slight scratches as a result of packaging and transport.
Module middle clamp XS set for fixing solar modules with frame heights 30-33 mm. Not compatible with the K2 Dome 6 system. Material: Aluminium EN AW-6063 T66, stainless steel A2, PA
Module end clamp set for fixing solar modules with frame heights 30-31 mm. Not compatible with the K2 Dome 6 System. Material: Aluminium EN AW-6063 T66, stainless steel A2, PA
Black anodized module middle clamp XS set for fixing solar modules with frame heights 30-33 mm. Not compatible with the K2 Dome 6 System. Material: Anodized aluminium EN AW-6063 T66, stainless steel A2, PA.
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Pitched Roof Systems
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K2 MultiRail System
Roof connection and module railing in one single component. Short rail or a flexible component in various lengths available. The MultiRail mounting system for photovoltaic assemblies is suitable for trapezoidal and corrugated sheet metal roofs. It blends roof connection with module railing in one single component.
- Easy and proven – as a short rail or a flexible component in various lengths
- Quick planning with less material and greater effectiveness
- Solid base rail for trapezoidal elevation with Dome 6
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K2 MultiRail System
System variant
The MultiRail CSM is a roof connection and mounting rail in one. This allows for quick planning with little material input and no pre-drilling or complex fixing in the roof substructure is necessary during installation. Better rear ventilation can be achieved through the elevation with RailUp. The MultiRail CSM is available as a short rail in two lengths.

MultiRail systems can now be planned with an elevation. This improves the rear ventilation of the modules and helps with the installation of micro-inverters and power optimisation.
When installing, we recommend using this component in very warm regions or to optimise module performance.
RailUp is supplied as a set and requires no additional material for installation

The combination of the all-rounder component MultiRail and the Peak from our flat-roof system Dome 6 can produce a better angle of incidence with the elevation and thus a higher yield. The clever connection for trapezoidal sheeting is safe in terms of holding force and economical in terms of material and transport.

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Pitched Roof Systems
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K2 MultiRail System
Technical Data
| MultiRail System | |
|---|---|
| Area of application | Pitched roofs, 5 - 75°, with trapezoidal sheet or sandwiched trapezoidal sheet |
| Fastening type / roof fixture |
Fastened with self-tapping sheet screws
|
| Requirements |
|
| Material | Aluminium (EN AW-6063 T66); EPDM |
| W = width [mm] | 39 |
| H = height [mm] | 35 |
| Rail length [mm] |
|
| Second rail layer | SingleRail |

MultiRail dimensions
W = width / H = height / L = lengths
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K2 MultiRail System
Downloads
Product brochure
Lightning protection and equipotential bonding
Checklist - Trapezoidal sheet metal / sandwich panel
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K2 Base: Easy, fast and safe planning
Quick and easy planning in five steps of K2 mounting systems for pitched and flat roofs. Our free planning tool K2 Base has a dashboard for efficient project management. Google Maps integration and graphic drawing tools support you in planning and make it easier.