Contact technology
for your production line.
ERKO contact systems and accessories for electroplating, anodising and printed circuit board production lines.
We agree design, dimensions and installation details for your project.
See the contact block in action
3D functional demonstration · Schematic plant and illustrative current flow.
Contact blocks
Transfer current to your carrier rail.
- Self-clamping operating principle
- For electroplating, anodising and printed circuit board production lines
- Design and base plate to suit your equipment
Explore the detailed designs, demonstration video and installation sketches on our product information page.
We adapt contact blocks to your carrier rail. Orders are possible from one unit; we stock many sizes and confirm availability on request. Individual ERKO contact block components can be replaced.
High-current contact systems: designs, operation & selection Contact block installation and maintenance instructions
Contact heads
Electrically connect racks to the carrier rail.
- Electrical connection of racks to the carrier rail
- Type KK with wedge clamping · Type FK with a spring-loaded clamping plate
- Select by current rating and carrier rail width
Explore the differences between KK and FK, handling and rack attachment on our product information page.
The cast KK head is self-clamping; the FK with a spring-loaded clamping plate is easier to remove again. Racks are attached by bolted connections. You can provide the holes and threads yourself, or arrange for ERKO to machine them.
KK and FK contact heads in detail
Plastic bearing blocks
The right support for your carrier rail.
- Mechanical support opposite the electrical contact
- CNC-machined to customer requirements
- Dimensions adapted to the installation
Product details
Project-specific design
Plastic bearing blocks support carrier rails. Geometry and mounting holes are adapted to your equipment; special sizes are available on request.
Material and application
The supports are made of chemically resistant plastic. We agree suitability for your process environment and media for each project.
Information for your enquiry
Send carrier rail dimensions, installation dimensions, quantity and, where available, a drawing or photograph of the existing support.
Plastic screws
Protect threads during anodising.
- For surface treatment applications
- Chemically resistant design
- Short threaded section for quick handling
| Thread size | Colour |
|---|---|
| M2.5 | Blue |
| M3 | White |
| M4 | Black |
| M5 | Blue |
| M6 | White |
| M8 | Black |
Product details
Thread protection
Plastic screws protect threads during anodising. We agree a suitable size and design for your component.
For a suitable selection
Specify thread size, quantity and application. Photographs or a drawing of the component are helpful where available.
Enquiry
Select the thread size and quantity in the accessory selection at the end of this page. The matching colour is applied automatically.
Single & double clips
Establish electrical contact and fasten components.
- Electrical contact for components
- Fastening for surface treatment
- Single and double designs
Product details
Single clip
Clip for establishing electrical contact and fastening components to a bar. We agree a suitable design and available dimensions for your application.
Double clip
Double clip for establishing electrical contact and fastening components. Workpiece geometry and mounting arrangements form the basis of selection.
Information for your enquiry
Specify the required design, quantity and application. Photographs or drawings help us assess your requirements.
Designs & application example
Explore accessories & enquire
Combine several products in one enquiry. We agree the final technical specification with you.
Enquire about accessories for your production line
Combine contact blocks, contact heads, plastic bearing blocks, screws and clips in the accessory selection. Add the key details about your application.
Updated product documents, 21 October 2026. The contact block and matching plastic bearing block selection covers 250–10,000 A. Dimensions, design and suitability are confirmed for each project.
View English data sheets →English technical data sheets
Updated product documents, 21 October 2026. The contact block and matching plastic bearing block selection covers 250–10,000 A. Dimensions, design and suitability are confirmed for each project.
Contact block installation, operation and maintenance
Use the instructions for the appropriate contact block type. These installation and maintenance instructions apply to contact blocks.