Manufactures switchgear and AC/DC power supply systems for energy supply, industry and rail transport.

Westhaus Energietechnik GmbH

DresdenNew on Amplifa

2009Founded

HRB 27319, Dresden Local CourtCommercial register entry

Several hundred systems in operationExperience

Power supply and switchgear manufacturing from Dresden

Since 2009, Westhaus Energietechnik GmbH has manufactured and delivered switchgear and power supply systems and is a company of the Westhaus Group. The Dresden-based company has evolved into a system provider for energy-sector requirements; several hundred customized systems are in operation worldwide. The portfolio includes low-voltage switchgear with type verification up to 4000 A in accordance with DIN EN 61439, inverter and rectifier systems in thyristor or switched-mode technology, thyristor rectifiers, rectifier modules of the WHR series, and UPS systems in online technology. In addition to manufacturing at the Dresden site, the service offering covers planning and engineering from low voltage to high voltage, installation, commissioning, maintenance, repair and overhaul, battery service, customer training, and rental of mobile rectifiers. Customers include energy suppliers, power and substation plants, wind and solar farms, offshore installations, the chemical industry, hospitals, wastewater treatment plants, and the telecommunications and rail sectors; customers include DB Netze.

Site: Dresden
Processes: Switchgear manufacturing (low-voltage switchgear) – configuration, manufacturing, installation, Low-voltage switchgear with type verification up to 4000A; 0.4-kV distribution with automatic, AC/DC power supply systems: inverter and rectifier systems (thyristor/switched-mode technology,, Thyristor rectifiers for secured DC power supply (parallel operation, trickle charging,, Rectifier modules (WHR series, convection-cooled, single and three-phase, hot-plug-in), DC power supply for power and substation plants (24V to 220V DC; rectifiers, inverters,, UPS systems (online technology, UPS-CIB, redundant systems, parallel systems, bypass switches), Planning and engineering of switchgear (from low voltage to high voltage)
Materials: Low-voltage switchgear in accordance with DIN EN 61439, IU charging characteristic curve in accordance with DIN 41772, UPS online technology
Certificates: ISO 9001:2015
Founded: 2009
Industries: Energy supply, Power plants, Wind farms, Solar farms, Offshore installations, Substations

01
Consulting and calculation
02
Planning and engineering
03
Configuration and manufacturing in Dresden
04
Logistics and transport
05
Installation and commissioning on site
06
Functional testing with measuring equipment
07
Maintenance, service and battery service

Processes and standards

DIN EN 61439

Low-voltage switchgear in accordance with DIN EN 61439

Configured and manufactured switchgear with type verification, designs up to 4000 A.

DIN 41772

IU charging characteristic curve in accordance with DIN 41772

Regulated battery charging in rectifier systems in thyristor or switched-mode technology.

UPS-CIB

UPS online technology

Double conversion for uninterruptible power supply, operable redundantly or in parallel.

Location

Dresden

Administration and production

Systems and equipment

**Low-voltage switchgear**Switchgear manufacturing · Energy supply, industry, rail

**Inverter and rectifier system**AC/DC power supply · Power and substation plants, telecom, rail

**Thyristor rectifier**DC power supply · Energy supply, industry

**UPS system**Online technology · Industry, networks and IT

**Rectifier module (WHR series)**Hot-plug-in module · Telecommunications, power and substation plants

Inside the production

Low-voltage switchgear from in-house production

UPS systems for uninterruptible power supply

Industries

Energy supplyPower plantsWind farmsSolar farmsOffshore installationsSubstationsIndustryRail transport and rail freightTelecommunications and information technologyResidential and commercial buildingsChemical industryWastewater treatment plantsHospitalsDistribution services for power and substation plants

Processes & technical limits

Processes	Tolerance	Max. part	Weight	Lot size	Materials
Switchgear manufacturing (low-voltage switchgear) – configuration, manufacturing, installationAssembly	–	–	–	–	–
Low-voltage switchgear with type verification up to 4000A; 0.4-kV distribution with automaticAssembly	–	–	–	–	–
AC/DC power supply systems: inverter and rectifier systems (thyristor/switched-mode technology,Assembly	–	–	–	–	–
Thyristor rectifiers for secured DC power supply (parallel operation, trickle charging,Assembly	–	–	–	–	–
Rectifier modules (WHR series, convection-cooled, single and three-phase, hot-plug-in)Assembly	–	–	–	–	–
DC power supply for power and substation plants (24V to 220V DC; rectifiers, inverters,Assembly	–	–	–	–	–
UPS systems (online technology, UPS-CIB, redundant systems, parallel systems, bypass switches)Assembly	–	–	–	–	–
Planning and engineering of switchgear (from low voltage to high voltage)Engineering	–	–	–	–	–
Installation, commissioning, maintenance and overhaul on siteAssembly	–	–	–	–	–
Functional testing with measuring equipment after installation; handover and documentation of theTesting	–	–	–	–	–
Battery service, repair, customer training, rental of mobile rectifiersAssembly	–	–	–	–	–

Additional services

Planning and engineeringManufacturingInstallationCommissioningMaintenance and serviceRepair and overhaulBattery serviceCustomer trainingRental of mobile rectifiersLogisticsFunctional testing with measuring equipment

Reference customers

DB Netze

Quality

Manufacturing is carried out in accordance with the DIN ISO 9001:2015 standard. After installation, functional tests are performed with state-of-the-art measuring equipment; the systems are handed over with documentation.

Evidence	Dresden
ISO 9001:2015

History

2009
Founding of Westhaus Energietechnik GmbH in Dresden as a company of the Westhaus Group; since then, manufacturing and delivery of switchgear.