The company ENERTRON obtained the authorization from the Nuclear Security Council dated 20/10/1987 for the manufacturing of Uninterruptible Power Supply Units (UPS) for Nuclear Power Plants.
Equipments manufactured by ENERTRON in operation in Nuclear Power Plants  since 1979:

NUCLEAR POWER PLANTS

C.N. COFRENTES (SPAIN)  
2 UPS 3.5 kVA I
4 UPS 35 kVA III
2 UPS 7.5 kVA class 1E
2 120 Vdc 1.000 Adc Rectifiers
2 50 kVA Regulation Transformers class 1E
8 30 kVA Regulation Transformers
3 Battery Equipment class 1E

C.N. DE TRILLO (SPAIN)
1 UPS 75 kVA III
1 UPS 3.5 kVA I class 1E
1 UPS 15 kVA I

C. N. GAROÑA (SPAIN)
2 UPS 5 kVA I class 1E
1 UPS 30 kVA III

C.N. DE ALMARAZ (SPAIN)
4 UPS 75 kVA III
2 UPS 10 kVA I

C.N. VALDECABALLEROS (SPAIN)

C.N. DE CASTELLON (SPAIN)