
Trading and assembly of cables, wires and electrical insulating materials for industrial companies throughout Europe.

Gerhard Hesselmann oHG
Mülheim an der RuhrNew on Amplifa
About Hesselmann
Gerhard Hesselmann oHG was founded in 1935 in Mülheim an der Ruhr and from the outset specialized in supplying heavy industry with cables, wires and accessories. Today, the company supplies industrial companies throughout Europe with cables, wires and electrical insulating materials. The product range includes power and control cables, heat-shrink tubing, laminated pressed sheets, Mikanit mica products, cable accessories based on hot-shrink and cold-shrink technology, silicones as well as cable clamps and grounding straps. On request, stamped parts are manufactured to drawing, e.g. from Mikanit. Thanks to a large stock inventory, short-notice delivery is possible. Customers include companies from heavy industry, energy supply, mining and chemicals such as ThyssenKrupp, Siemens, HKM, Europipe, RAG and OXEA.
- Site
- Mülheim an der Ruhr
- Processes
- Trading in cables, wires and insulating materials, Trading in electrical insulating materials, cables and wires, Short-notice delivery thanks to large stock inventory, Assembly (e.g. stamped parts to drawing made from Mikanit)
- Materials
- Glass-fiber reinforced polyamide, Radiation-crosslinked polyolefin, Silicone glass fabric, Hard fabric phenolic resin/cotton fabric, Hard fabric epoxy resin/glass fabric, Glass hard fabric silicone resin, Mica muscovite, Mica phlogopite
- Certificates
- DIN EN ISO 9001:2015, ISO 9001
- Founded
- 1935
- Industries
- Heavy industry, Energy supply, Mining, Chemicals, Electrical installation, Industrial companies
- 01
Procurement and warehousing
- 02
Assembly (e.g. stamped parts to drawing made from Mikanit)
- 03
Short-notice delivery to customers
Locations

Mülheim an der Ruhr
DEHead office and cable distribution
- Materials
- Cables, wires, insulating materials, laminated pressed sheets, Mikanit
- Hot-shrink burner system FH 1630-S / FH 1630-PIE
- Semi-conductive layer stripper IT-1000-030-2, ASC-25
- Jacket cutter IT-1000-024
- Infrared pyrometer Scotchtrak IR-500
- Cable and marker locator device Dynatel 1420E-iD
Products

Inside the production

Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Trading in cables, wires and insulating materialsTrading/Supply of electrical insulating materials | – | – | – | – | Cables, Wires, Insulating materials |
4 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Burner system (hot-shrink tool) | 3M / Raychem FH 1630-S / FH 1630-PIE | – | – | – | Trading assortment |
| Semi-conductive layer stripper / cable processing tools | 3M IT-1000-030-2, ASC-25, IT-1000-024 | – | – | – | Trading assortment |
| Infrared pyrometer (measuring device) | 3M Scotchtrak IR-500 | – | – | – | Trading assortment |
| Cable and marker locator device | 3M Dynatel 1420E-iD / 1400 series | – | – | – | Trading assortment |
Additional services
Reference customers
Quality
The management system is certified to DIN EN ISO 9001:2015 by TÜV NORD CERT GmbH (register number 04 100 050843, initial certification 2005). The product range also includes products with product certifications such as IEC 61914 for cable clamps and UL/CSA listings for cable lugs.
| Evidence | Mülheim an der Ruhr |
|---|---|
| ISO 9001 |
History
- 1935
Foundation of the company Gerhard Hesselmann oHG by Gerhard Hesselmann; specialization in supplying heavy industry with cables, wires and accessories.
- 2005
Initial certification of the management system to DIN EN ISO 9001 by TÜV NORD CERT.