A company located in Hospitalet de Llobregat, l' (Barcelona) and included in the Catalonia Industry Suppliers directory


Hospitalet de Llobregat, l' (Barcelona)



Ecomsa RES is a Spanish company with more than 60 years of history, and with a wide international presence, specialized in the manufacture of high quality industrial power resistors for several applications. They have a resistors range from 50W to 200KW, standard or customized according to customer’s specifications, composed by low inductance resistors, high voltage cut, operating high voltage, suitable for high-power pulses and designs with natural or forced ventilation. Their resistors can be supplied with different degrees of protection (from IP-00 to IP-54) and special versions (with special insulation, non-inductive, terminals or special cables and thermal switch).


Manufacturers and Producers


  • No technology assigned

Products, services and capacities

  • 35Mm)
  • Ceramic Rheostat 12–3000W
  • Double Voltage Variators
  • Flat Resistor RB 200W
  • Flat Resistor RB-PL 600–1300W (Heatsink)
  • Flat Resistor RB-SS 100W
  • Metallic Enclosure Voltage Variators
  • Protected Resistor SI/PR
  • Protected Resistors 13000-50000W
  • Protected Resistors 500-4500W
  • Protected Resistors 5000-12000W
  • Protected Resistors SAC/PR
  • Single-Phase Voltage Variator
  • Square Resistors CH/F Terminal Faston 1/4’’ (6
  • Three-Phase Voltage Variators
  • Wirewound Tubular Resistors SAC 40–1500W
  • Wirewound Tubular Resistors SAZ 100–1750W
  • Wirewound Tubular Resistors SI 300-2000W


  • Energy
  • Filters
  • Industrial Companies and Businesses
  • Machinery and capital goods
  • Rail mobility
  • Railway
  • Renewable energy

Activity classification (NACE)

  • 2790 - Manufacture of other electrical equipment

Last time updated September 2021

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