Development and manufacturing of safety switching devices, safety relays, electronic enclosures and monitoring and drive technology
E. Dold & Söhne GmbH & Co. KG
Furtwangen (headquarters) · GermanyNew on Amplifa
About DOLD
E. Dold & Söhne GmbH & Co. KG is an internationally oriented, medium-sized family company headquartered in Furtwangen in the Black Forest. The company develops, manufactures and distributes components and complete solutions worldwide for functional safety, electrical safety, intelligent drive technology as well as electronic enclosures and safety relays with forcibly guided contacts in accordance with DIN EN 61810-3. The portfolio includes safety switching devices, safety switches, safety interlocks and key transfer systems, monitoring relays, power electronics, plastic electronic enclosures and systems for nuclear facilities in accordance with KTA 1401. With over 90 years of experience and more than 400 employees, DOLD has evolved from a pioneer in relay technology to one of the leading industry players in Europe. Its high level of in-house production depth includes in-house toolmaking, production equipment design, plastic injection moulding, coil winding, assembly, mounting and testing – this guarantees consistently high product quality. In addition to standard products, DOLD offers customised industry solutions from a single source for mechanical and plant engineering, factory automation and other industries worldwide.
- Site
- Furtwangen
- Processes
- Manufacture of safety switching devices (functional safety, electrical safety,, Plastic injection moulding, Coil winding, Assembly (printed circuit board assembly), Mounting and testing, In-house toolmaking and production equipment design, Manufacturing of safety relays with forcibly guided contacts (up to 16 A, up to 8 contacts), Development and manufacture of industrial switching devices and relays as well as safety, control
- Materials
- AgNi, AgNi + 5 µm Au (gold-plated double contacts), AgSnO2, Stainless steel, Plastic (electronic enclosures), Plastic
- Certificates
- DIN EN ISO 9001:2015, KTA 1401
- 01
Toolmaking and production equipment design
- 02
Plastic injection moulding
- 03
Coil winding
- 04
Assembly
- 05
Mounting
- 06
Testing
- 07
Sales and service
Materials and Manufacturing Processes
AgNi
Contact material for safety relays with forcibly guided contacts in accordance with DIN EN 61810-3.
AgNi + 5 µm Au (gold-plated double contacts)
Gold-plated double contacts for increased insulation values and low contact transition resistances.
AgSnO2
Contact material for relay applications with increased requirements.
Stainless steel
Version for equipment in mechanical and plant engineering.
Plastic
Material for electronic enclosures (control cabinet, distribution and building installation enclosures) produced in in-house injection moulding.
Sites
Furtwangen
DEHeadquarters with development, production and sales
- Materials
- Plastic, AgNi, stainless steel
- Toolmaking
- Production equipment design
- Plastic injection moulding
- Coil winding technology
- Assembly technology
- Testing equipment
Products and Components
Inside the production
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Manufacture of safety switching devices (functional safety, electrical safety,Electronics manufacturing/Assembly | – | – | – | – | Plastic, AgNi, AgNi + 5 µm Au, AgSnO2, Stainless steel |
| Plastic injection mouldingPlastics | – | – | – | – | Plastic |
| Coil windingElectronics manufacturing/Assembly | – | – | – | – | Copper (inferred) |
| Assembly (printed circuit board assembly)Electronics manufacturing/Assembly | – | – | – | – | – |
| Mounting and testingAssembly | – | – | – | – | – |
| In-house toolmaking and production equipment designEngineering | – | – | – | – | – |
| Manufacturing of safety relays with forcibly guided contacts (up to 16 A, up to 8 contacts)Electronics manufacturing/Assembly | – | – | – | – | AgNi, AgNi + 5 µm Au, AgSnO2 |
| Development and manufacture of industrial switching devices and relays as well as safety, controlElectronics manufacturing/Assembly | – | – | – | – | – |
| Manufacturing of electronic enclosures (control cabinet and distribution enclosures) made of plasticPlastics | – | – | – | – | Plastic |
Additional services
Quality
DOLD manufactures with modern production machinery and testing equipment at its Furtwangen site and is certified in accordance with DIN EN ISO 9001:2015. For nuclear facilities, development and manufacturing is carried out in accordance with KTA 1401.
| Evidence | Furtwangen |
|---|---|
| DIN EN ISO 9001:2015 | |
| KTA 1401 |
History
- Über 90 Jahr
Foundation and development from a pioneer in relay technology to one of Europe's leading industry players
- 2026
Nominated for the AutomationsBest Award 2026 with the wireless safety system RE 6900
- 2027
Wireless safety system RE 6900 nominated as a finalist for the GIT SICHERHEIT AWARD 2027