Full-range electrical engineering service provider in Graubünden: electrical installations, electronics, engineering and energy efficiency from a single source.
4e elektrotechnik ag
Chur · Chur (Service & Repair Center) · Untervaz · MalixNew on Amplifa
About 4e elektrotechnik ag
4e elektrotechnik ag is an electrical engineering company founded in 2016 in Chur with around 25 employees. The name 4e stands for the four business fields elektro (electrical), elektronik (electronics), engineering and energieeffizienz (energy efficiency). The service offering includes electrical installations for conversions, new buildings and renovations, industrial and commercial installations, control, process and production systems, lightning protection systems, electrical inspections and network analyses. In the field of electronics, the company implements multimedia and security systems, video surveillance, WLAN solutions, universal communication cabling (Cat. 7A) as well as automation and control systems with PLC and KNX. The energy efficiency business field covers photovoltaic systems, battery storage, e-mobility charging stations with load management, LED lighting upgrades, thermographic analyses and smart home controls. Customers come from the segments of banks, casinos, commerce, industry, offices, the public sector, schools and private customers. In addition to its headquarters in Chur, the company operates a service and repair center with a sales shop as well as branches in Untervaz and Malix.
- Site
- Chur
- Processes
- Electrical installations (conversions, new builds & renovations; repairs, maintenance & upkeep;, Electronics services (multimedia, radio/TV, audio, video; multiroom sound systems;, Engineering: products, concepts and consulting (surveillance overall concepts, WLAN concepts, LED, Energy efficiency: photovoltaic systems, battery storage solutions, e-mobility charging stations,, Photovoltaic systems (approx. 10 systems per year, approx. 250 kWp installed capacity per year), E-mobility charging stations with load management (systems from easee, Mennekes, KEBA, SolarEdge;, LED lighting upgrades (approx. 50 projects per year), Automation with PLC and KNX (lighting controls, optimizations of process systems, parking guidance
- Materials
- Electrical installations, Automation and control systems, Universal communication cabling, Photovoltaics and battery storage, E-mobility charging stations, LED lighting upgrades, Video surveillance, WLAN solutions
- Founded
- 2016
- Employees
- ca. 25
- Industries
- Banks, Casinos, Commerce, Industry, Offices, Public sector
- 01
Consulting and concept (engineering)
- 02
Project management and coordination from the Chur headquarters
- 03
Installation and assembly (high-voltage and low-voltage)
- 04
Integration of automation, security and multimedia systems
- 05
Service, maintenance and repair at the Service & Repair Center
Services and Technologies
Electrical installations
Conversions, new buildings and renovations, industrial and commercial installations, smart home, control and production systems, lightning protection.
Automation and control systems
Lighting controls, optimizations of process systems and parking guidance systems, implemented in 20 projects since 2021.
Universal communication cabling
Cat. 7A cabling from A to Z, more than 50 completed projects.
Photovoltaics and battery storage
Approx. 10 systems per year with around 250 kWp of installed capacity, including battery storage solutions.
E-mobility charging stations
Charging stations with load management from easee, Mennekes, KEBA and SolarEdge; over 50 projects since 2021.
LED lighting upgrades
Approx. 50 projects per year with about 30% energy savings at double light intensity.
Video surveillance
Systems from Dallmaier, Milestone, Axis and Hikvision; over 50 projects since 2019, including 10 large-scale installations.
WLAN solutions
Installations and WLAN concepts, around 100 projects since 2018, including 10 large-scale installations.
Multimedia and conference technology
Large displays, projectors, ClickShare, digital signage, Sonos, home cinema and AV-PRO systems in over 100 projects.
Network analyses and thermography
Electrical inspections, network analyses and thermographic analyses for energy optimization.
Locations
Chur (Headquarters)
CHHeadquarters and office premises, coordination of projects and service orders
Chur (Service & Repair Center)
CHService and repair center incl. sales shop (Ringstrasse 88)
Untervaz
CHBranch offering the full range of services
Malix
CHBranch, since the acquisition of Elektroservice Brügger AG (01.01.2020)
Reference Projects
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Electrical installations (conversions, new builds & renovations; repairs, maintenance & upkeep;Assembly | – | – | – | – | – |
| Electronics services (multimedia, radio/TV, audio, video; multiroom sound systems;Assembly | – | – | – | – | – |
| Engineering: products, concepts and consulting (surveillance overall concepts, WLAN concepts, LEDEngineering | – | – | – | – | – |
| Energy efficiency: photovoltaic systems, battery storage solutions, e-mobility charging stations,Assembly | – | – | – | – | – |
| Photovoltaic systems (approx. 10 systems per year, approx. 250 kWp installed capacity per year)Assembly | – | – | – | – | – |
| E-mobility charging stations with load management (systems from easee, Mennekes, KEBA, SolarEdge;Assembly | – | – | – | – | – |
| LED lighting upgrades (approx. 50 projects per year)Assembly | – | – | – | – | – |
| Automation with PLC and KNX (lighting controls, optimizations of process systems, parking guidanceAssembly | – | – | – | – | – |
| Video surveillance (systems from Dallmaier, Milestone, Axis, Hikvision; over 50 projects since 2019,Assembly | – | – | – | – | – |
| Industrial electrics (30 major projects)Assembly | – | – | – | – | – |
| UKV systems (universal communication cabling, Cat. 7A cabling from A to Z)Assembly | – | – | – | – | – |
| Multimedia projects (large display, projector, ClickShare, digital signage, Sonos, home cinemaAssembly | – | – | – | – | – |
| WLAN solutions (100 projects since 2018, including 10 large-scale installations)Assembly | – | – | – | – | – |
| Service & Repair Center incl. sales shop (consulting and services, service andTesting | – | – | – | – | – |
| Thermographic analyses / network analyses / electrical inspectionsTesting | – | – | – | – | – |
| High-voltage and low-voltage installations, universal building cablingAssembly | – | – | – | – | – |
Additional services
History
- 2016
Founded by Thomas Bornhauser; registered in the commercial register on 26.08.2016. Establishment of the electrical, engineering and energy efficiency divisions; integration of the company Bernhard Elektronik into the electronics division.
- 2017
Opening of the Service & Repair Center at Ringstrasse 88 in Chur as of 1 July 2017 with an expanded product range.
- 2020
Acquisition of Elektroservice Brügger AG as of 1 January 2020; integration of the Malix location.