About Delta-Résistel

Delta-Résistel specializes in the design, manufacture and maintenance of load banks and industrial power resistors for the testing and validation of electrical installations.

Drawing on the Telema Group ‘s industrial expertise and the international recognition of Telema Load Bank solutions, Delta-Résistel develops reliable equipment for testing generator sets, emergency power systems and sensitive energy installations.

Our solutions are used in many demanding environments:

• Data centers
• Industrial plants
• Commercial buildings
• Health infrastructure
• Energy sites

Delta-Résistel is the result of the merger of two companies, Delta Résistances and Résistel Applications, well-known for their expertise in industrial resistors and electrical test equipment.

Today, this complementarity enables us to offer a complete range of services covering all customer needs. What’s more, belonging to the Téléma Group gives us access to international know-how, particularly in the field of load banks with Telema Load Bank solutions, used to test critical energy infrastructures.

This combined expertise enables Delta-Résistel to support its customers on complex industrial projects and critical infrastructures.

Delta-Résistel ‘s engineering teams develop load bank solutions tailored to the technical and environmental constraints of each installation.

Our expertise is based on :

• Controlling power resistors
• Thermal management and energy dissipation
• Optimizing electrical performance
• Designing robust, reliable equipment .

Our solutions can be offered in the form of :

• Fixed load benches
• Mobile load benches
• Containerized solutions
• Customized equipment for industrial applications.