Sécheron Hasler Group
Swiss manufacturer of electrical safety and power conversion equipment for railways and high-power DC applications, including circuit breakers, protection relays and traction power substations.
Sécheron Hasler Group is a Swiss manufacturer of electrical safety and power conversion equipment, headquartered in Switzerland and active across multiple continents. The company employs more than 1,300 people and has been in operation for over 140 years. Its engineering work concentrates on high-power DC systems where failure is not an option.
The product range covers high-speed DC circuit breakers, protection relays for safety-critical electrical systems, and complete traction power substations for railway electrification. Sécheron Hasler Group also designs bespoke protection systems for applications such as metro lines, and is developing next-generation converters for green hydrogen electrolysis. Technical domains span power conversion, DC circuit breakers, electrical protection, traction power substations, DC grid infrastructure and renewable energy integration, underpinned by rigorous testing and certification.
Equipment from the group serves railways and urban transit, sustainable transportation, hydrogen production, mining electrification, marine vessels, DC grid infrastructure and renewable energy. Engineering culture is shaped by Swiss precision, a safety-critical mindset described internally as leaving no room for compromise, and a stated commitment to quality, long-term reliability and emission-free mobility.