Electrical installations, photovoltaic systems and testing of electrical installations according to VDE and DGUV
DREFIS Elektrotechnik GmbH
Krauchenwies (Headquarters)New on Amplifa
About us
DREFIS Elektrotechnik GmbH, based in Krauchenwies (Baden-Württemberg), is a certified electrical contractor for electrical installations in the commercial and residential sectors as well as in the field of renewable energies. The company plans and builds photovoltaic systems with and without energy storage and, as a Next2Sun partner, installs the bifacial solar fence. A second pillar is the metrology division DREFIS Messtechnik, which tests and measures electrical installations and operating equipment: DGUV V3 testing (formerly BGV A3), initial testing according to VDE 0100-600, repeat testing according to VDE 0105-100 as well as testing according to VDE 0701-0702. The range of services includes new installations, extensions, repairs, electrical planning and standards-compliant cabling. Customers come from commerce, industry, the public sector, agriculture and private residential construction. Founded in 2018, the company is managed by Thomas Dreher and Andreas Fischer and employs 15 staff (2024).
- Site
- Krauchenwies
- Processes
- Electrical installation (commercial and residential), Planning and installation of photovoltaic systems with and without energy storage, Installation of bifacial solar fence (Next2Sun partner), DGUV V3 testing (formerly BGV A3) of electrical installations and operating equipment, Initial testing according to VDE 0100-600, Repeat testing according to VDE 0105-100, Testing according to VDE 0701-0702 (electrical installations and operating equipment according to, Testing and measuring of electrical installations and systems (DREFIS Messtechnik)
- Materials
- DGUV Regulation 3 (formerly BGV A3), Initial testing according to DIN VDE 0100-600, Repeat testing according to VDE 0105-100, Testing according to VDE 0701-0702
- Certificates
- DGUV V3, VDE 0100-600, VDE 0105-100, VDE 0701-0702, ISO 9001
- Founded
- 2018 (DREF
- Employees
- 15 (2024)
- Industries
- Commercial, Industry, Public sector, Agriculture, Residential construction, Renewable energies
- 01
Consulting and electrical planning
- 02
Installation/electrical installation
- 03
Installation of PV system and solar fence
- 04
Testing according to VDE/DGUV
- 05
Documentation and maintenance
Processes and Standards
DGUV Regulation 3 (formerly BGV A3)
Testing of electrical installations and operating equipment for accident prevention.
Initial testing according to DIN VDE 0100-600
Testing of electrical installations before commissioning and handover to the operator.
Repeat testing according to VDE 0105-100
Verification of the proper condition of existing installations and operating equipment.
Testing according to VDE 0701-0702
Testing intervals and test methods for electrical installations and operating equipment according to DGUV Regulation 3.
Locations
Krauchenwies
DEHeadquarters, electrical installation and metrology
Service Areas
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Electrical installation (commercial and residential)Assembly | – | – | – | – | – |
| Planning and installation of photovoltaic systems with and without energy storageAssembly | – | – | – | – | – |
| Installation of bifacial solar fence (Next2Sun partner)Assembly | – | – | – | – | – |
| DGUV V3 testing (formerly BGV A3) of electrical installations and operating equipmentTesting | – | – | – | – | – |
| Initial testing according to VDE 0100-600Testing | – | – | – | – | – |
| Repeat testing according to VDE 0105-100Testing | – | – | – | – | – |
| Testing according to VDE 0701-0702 (electrical installations and operating equipment according toTesting | – | – | – | – | – |
| Testing and measuring of electrical installations and systems (DREFIS Messtechnik)Testing | – | – | – | – | – |
| New installations, extensions, repairs, standards-compliant cabling, electrical planningAssembly | – | – | – | – | – |
Additional services
Quality and Testing Standards
Testing is carried out in accordance with DGUV Regulation 3 and the VDE standards 0100-600, 0105-100 and 0701-0702; results are documented.
| Evidence | Krauchenwies |
|---|---|
| DGUV V3 | |
| VDE 0100-600 | |
| VDE 0105-100 | |
| VDE 0701-0702 | |
| ISO 9001 |
History
- 2018
Founding of DREFIS Messtechnik GbR by Thomas Dreher (Elektro Dreher) and Andreas Fischer (EnergieTechnik Fischer), specialising in testing and measuring electrical installations.
- 2019
Founding of DREFIS Elektrotechnik GmbH (HRB 738481, AG Ulm); the Messtechnik GbR became a division of the GmbH.