K2 BasicRail System
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K2 BasicRail System
BasicRail 22
Product number:
2004277
MCS Certified K2 Clamp - Universal clamp for fixing solar modules with frame heights of 25-40 mm. Not compatible with the K2 Dome 6 system. Material: Aluminium EN AW 6063 T66, Thermoplastic, stainless steel A2
BasicClip
Product number:
1001164
MCS Certified BasicClip for direct mounting the K2 BasicRail on trapezoidal sheet metal. General technical approval. Note: for each BasicClip you need 2x thread-forming screws 6x38. Material: UV-resistant glass-fibre reinforced polyamide
The Basic Clip CSM Adapter is an EPDM pad for underlaying and sealing the BasicClip on imitation tile sheets. Material: EPDM 45 Shore A black.
Aluminium profile as an adapter for use in BasicRail to compensate for different angles of curvature in sloping imitation tile sheets. Material: Aluminium EN AW 6063 T66
Rail connector Set BasicRail
Product number:
1003571
MCS Certified Rail connector set for connecting 2 K2 BasicRails. With 3 drill holes for flexible mounting. Inclusive screws (bit T25). Material: Aluminium, Stainless steel A2
BasicLock 22 Set
Product number:
1003558
MCS Certified Mounting security for fusing the K2 BasicRail 22 in case of thermal expansion. Including screws and nuts. Material: Aluminium, stainless steel and PA.
Dome FlatConnector Set
Product number:
1006039
Rail connector set as connecting element between two K2
BasicRail
22. Screws included. Material: Aluminium
EN AW 5754 H111, stainless steel A2.
MCS Certified
K2 Clamp - Universal clamp for fixing solar modules with frame heights of 25-40 mm. Not compatible with the K2 Dome 6 system. Material: Aluminium EN AW 6063 T66, Thermoplastic, stainless steel A2
Dome 6.10 SD
Product number:
2003243
Front module support element for the Dome 6.10 system. Material: aluminium
Dome 6.10 Peak
Product number:
2004125
Component for the module elevation of the Dome 6.10 system. The peak can either be clicked into the pre-assembled base plate or fixed directly to the
BasicRail
with a socket head bolt and MK2. Material: Aluminium EN AW-6063 T66
MCS Certified Black anodized Universal module middle clamp for fixing solar modules with frame heights of 25-40 mm. Not compatible with the K2 Dome 6 System. Material: Aluminium EN AW 6063 T66, thermoplastic, stainless steel A2. Anodising may show slight signs of scratching due to packaging and transport.
K2 Clamp EC 25-40, black anodised
Product number:
2004545
MCS Certified Black anodized Universal module middle clamp for fixing solar modules with frame heights of 25-40 mm. Not compatible with the K2 Dome 6 System. Material: Aluminium EN AW 6063 T66, stainless steel, Thermoplastic. Anodising may show slight signs of scratching due to packaging and transport.
MCS Certified Module centre clamps XS Set for fixing solar modules with frame heights of 30 mm and 33-35 mm. Not compatible with the K2 Dome 6 system. Material: Aluminium EN AW 6063 T66, stainless steel, TPE/PA.
MCS Certified
Universal module end clamp for fixing solar modules with frame heights of 25-40 mm. Not compatible with the K2 Dome 6 System. Material: Aluminium EN AW 6063 T66, Stainless steel, Thermoplastic.
S-Dome 6.10 Windbreaker LS
Product number:
2004167
K2 Windbreaker to deflect wind on the backs of the K2 S-Dome 6.10 Classic LS system. Suitable for module dimensions from 1562 - 2390 mm. Material: Magnelis 1.0242 (S250GD+ZM310)
MK2 insertion nut with clip, Stainless steel
Product number:
1001643
The Fast-installation MK2 insertion nut can be put into the K2 rail everywhere. The slot nut will adjust itself in the the rail and can be readjusted to every place of the rail. Material: stainless steel 1.4301, TPC.
Hexagonal socket head cap screw M8x20
Product number:
2001729
Hexagon socket head cap screw M8x20 with serration ISO 4762. Drive size: A/F 6. Material: Stainless steel A2
MCS Certified Thread-tapping screw 6x38 mm for non-cutting processing, approved for sheet thicknesses (steel and aluminium) from 0.4 mm to 1.25 mm thickness. With General approval. Material: stainless steel A2, EPDM
Solar Cable Manager
Product number:
2002870
Solar Cable Manager with connecting possibility for outdoor-installation. LxW: 200x4.6 mm
The K2 AddOn XS mounting adapter enables grid or insert mounting without additional rails or clamps for module frame heights of 30–35 mm. Suitable for SolidRail, SingleRail, MultiRail, MiniRail and BasicRail. Exceptions: SolidRail Alpin, SolidRail Medium and SolidRail Light. The mounting adapter is compatible exclusively with K2 XS end and middle clamps. Other clamp designs are not suitable for use with AddOn XS. Material: Aluminium EN AW 6063 T66
StairPlate Set
Product number:
2004057
The K2 StairPlate is the perfect solution for installing Micro Inverters and Optimizers from Solar Edge, Huawei and Enphase. With the StairPlate, these devices can be easily hooked into almost all K2 mounting rails without having to screw them directly to the roof. The units are attached to the K2 StairPlate in advance with the appropriate screws and nuts. Please note the height of the modules and the units to be used. Can only be used to a limited extent when using AddOn. Material: Stainless steel
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 K2PA 32
Product number:
2000055
Mounting accessories for establishing equipotential bonding of the
BasicRail
mounting system or for earthing the module frames. Only suitable for 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.
Lightning protection clamp for clamping lightning protection cables with a diameter of 8 mm. Includes MK2 insert nut with mounting clip and M8x25 pan head screw.
Climber 36/50 Set
Product number:
2003145
A cross connector for the K2 SingleRail 36 & 50 and the K2 CrossRail 36 & 48. Nuts and bolts included. Material: aluminium EN AW-6063 T66, stainless steel A2
Rail AntiSlip Clip
Product number:
2004289
The WallPV FallProtection, compatible with the K2 MultiRail and FacadeRail, provides additional safety for the WallPV system. The Rail FallProtection is attached below the lower CrossConnector or the lower clamp to prevent slipping. It is attached using a 5.5x19 screw (2004432). Material: Aluminium EN AW 6063 T66
Alternative article: 2004621Black anodized module end clamp set for fixing solar modules with frame heights 30-31 mm. Not compatible with K2 MiniRail, MicroRail, Dome 6 and Dome V system. Material: Anodized aluminium EN AW-6063 T66, stainless steel A2, PA. Eloxal may show slight scratches as a result of packaging and transport.
Alternative article: 2004609Module 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
Alternative article: 2004543Universal 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
Alternative article: 2004611Module 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
Alternative article: 2004619Black anodized module middle clamp XS set for fixing solar modules. Not compatible with the K2 Dome system. Material: Anodized aluminium EN AW-6063 T66, stainless steel A2, PA.
Alternative article: 2004537Universal 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
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
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
Alternative article: 2004922Lightning protection clamp for clamping Ø 8mm lightning protection cables. Including MK2 slot nut, Washer (8,4x20x1,2 mm) and stainless steel socket screw M8x30.
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K2 BasicRail System
All-rounder with only 4 installation steps. Floating with controlled thermal linear expansion. The BasicRail mounting system for photovoltaic systems has been specially developed for trapezoidal sheet metal roofs. In Germany, the system has an abZ certification.
- The proven long rail system for trapezoidal sheet metal applications as well as floating with controlled thermal linear expansion
- Our best-selling system - over 2 GW installed worldwide
- All-rounder with only 4 installation steps - also suitable for high load
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K2 BasicRail System
System variant
BasicRail 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.
We recommend using this component in very warm regions or to optimise module performance.
RailUp is supplied as a set and does not require any additional material for installation.

Installing on sandwich panels with abZ
The direct connection of BasicRail with BasicClips and self-tapping screws on sandwich panels has a general building approval (abZ) from the DIbT for some sandwich panel manufacturers. This type of installation with building authority approval is unique in Germany.
It requires little time, which results from the high installation speed of the BasicRail system and the direct fastening of the system in the sandwich panels.

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K2 BasicRail System
Technical Data
| BasicRail System |
| |
|---|---|---|
| Scope of application | Trapezoidal sheet roof | |
| Fastening type / roof fixture | Insertion mounting into BasicClips and screws in the roofing | |
| Requirements |
|
|
| Material |
|
|
| BasicRail dimensions |
(W×H) 63 mm × 22,5 mm
|
|
| BasicClip dimensions | See drawing | |
| Second rail layer | SingleRail |

Dimensioning scheme BasicRail/BasicClip
w = width / H = height / L = lengths
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K2 BasicRail System
Downloads
Product brochure
Checklist - Trapezoidal sheet metal / sandwich panel
MCS-Certificate- BBA7466
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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.