Haefely Test AG
Measuring instruments
Company Overview
The PFIFFNER Group is an international, family-based, and independent conglomerate with a long-term vision, driven by excellence, innovation, and high-quality standards. Operating through renowned brands such as PFIFFNER, MOSER GLASER, HAEFELY, and HAVECO, the group is a leading provider of technical solutions for the electrical power and rolling stock industries. With origins dating back to 1904, the group maintains a strong commitment to Swiss craftsmanship and quality, with many products built and tested in Switzerland.
Core Products and Services
HAEFELY, founded in 1904, specializes in premium high voltage test equipment for manufacturers of power, distribution, and instrument transformers, cables, and switchgear. Its offerings include advanced test systems, partial discharge detectors, digital kilovoltmeters, and comprehensive services like installation, maintenance, calibration, and modernization. MOSER GLASER (MGC), established in 1914, is a pioneer in solid insulation, known for its DURESCA® busbars and bushings utilizing RIP technology. MGC provides custom-engineered designs, installation, and extensive in-house high-voltage testing capabilities up to 2.2 MV impulse voltage.
PFIFFNER brands deliver a wide range of instrument transformers, including cast resin, oil-filled, and gas-insulated types (e.g., ecosAIR F-gas-free technology), for voltages up to 550 kV. PFIFFNER Switchgear, with over 90 years' experience, offers disconnectors and is developing innovative F-gas-free high-voltage circuit breakers. HAVECO provides energy network engineering, planning, and project management, alongside installation and maintenance services for medium and high-voltage switchgear. PFIFFNER Systems offers comprehensive project support, from initial consulting and design to after-sales service and logistics.
Commitment to Excellence and Sustainability
The PFIFFNER Group differentiates itself through its deep technical understanding of high-voltage technology, excellent customer service, and a global presence with production facilities in Switzerland, Germany, Brazil, and Turkey. The group's commitment to quality is underscored by ISO 9001, 14001, and 45001 certifications across its brands, along with ISO/IEC 17025 accredited test and calibration laboratories. PFIFFNER is dedicated to sustainability, actively pursuing CO2 neutrality, investing in green energy production (such as the Hirschthal hydropower station), developing environmentally friendly technologies like SF6-free circuit breakers, and adhering to ethical supply chain management and fair labor practices.
