With more than 50 industrial sites and 18 R&D centers in 33 countries around the world, Mersen develops customized solutions and delivers key products to its clients in order to meet the new technological challenges shaping tomorrow’s world.
As a major player at the heart of technology, Mersen is a committed partner to the companies that drive the industry forward and shape a more sustainable society.
In 2023, Mersen presented its 2027 strategic roadmap ; a major change in dimension for the Group that illustrates the relevance of our positioning in energy transition markets.
Joining Mersen means joining an international industrial company firmly anchored in today’s real world but with its sights set firmly on the future. It means joining a world of diversity, in terms of professions, technologies, projects and cultures, and a working community with real expertise to help forge tomorrow’s world.
High Power Switching, Protection, & Control Products
Engineered to meet your needs
Engineered to meet your needs
Documentation
Worldwide leader
High Power Switches are necessary and critical to your operation.
Not only do they help protect your people from injury, they help protect your equipment and processes, and minimize the risk of costly downtime and repairs.
For more than 100 years, Mersen has provided the market with safe, reliable and longer life on-load switches and off-load disconnectors. These devices offer high performance, robust operation for heavy duty requirements with very limited maintenance.
Mersen offers one of the largest product ranges and is the worldwide leader in the market. Mersen has the switch solution that will meet your unique needs.
Why Choose Mersen?
Application expertise
• Expert knowledge in DC Applications
• Full team of electrical and mechanical professional engineers on site
• Experienced licensed electricians/ technicians on site
• Retrofitting capabilities
• Expertise in applicable codes and standards
Product life cycle management
• Technical consulting / support
• Lifecycle management
• Commissioning
• Repair and Maintenance
• Troubleshooting
• Replacement parts
• User training
• In-house custom manufacturing facility
• In-house High Power Test Lab
• Established supply base
Products and Applications for Target Market Segments
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MARKET SEGMENT
Rail and Traction Power
Power Generation & Conversion
High Power Utilization
Low Voltage Protection & Control for Critical Loads within Utility Infrastructure (Customized Solutions)
Low Voltage Protection & Control for Critical Loads within Building Infrastructure (Configurable Panels)
PRODUCTS
• Load break/isolation switches with visible blades • Changeover and quick closing grounding switchgear • Load break contactors • Auxiliary power and control systems
• AC/DC Changeover or Grounding Switches • AC/DC Changeover or Isolation Power Transfer Systems • DC Excitation Contactors
• DC Isolation Switches • DC switches for bypass and shorting/grounding • Changeover switches
• Traction Power Substation / Wayside Distribution • Traction Power Onload / Offload Local Isolation of the DC Distribution Systems • Heavy/Light Rail Vehicles Carhouse DC Distribution for maintenance • Auxiliary load protection/control • Load break/isolation, grounding applications
• Power Generation Plant Generator Output • AC/DC Power Conversion Plants • Generator Step Up Substations • Switchgear / Contactors for Field Excitation Systems
• Metals Processing (copper, alum, steel, etc.) rectifier output or DC Arc furnaces isolation • Mining rectifier output • Chemical electrolysis cell isolation, bypass and shorting / grounding • Medium Voltage (MV) Isolation / Grounding for Motors / Drives • Energy Storage Systems Isolation
• Utility System Control Circuits • Utility / Industrial Custom Fuse Protection • Harsh, corrosive, low temperature environment applications • Lighting Controls • Emergency back up generator interface systems
• Construction (Critical infrastructure such as hospitals, warehouse data centers, government buildings) • Critical Power Applications • Emergency circuits • Code solutions • Utility control circuits
