Group 1: Small outside operated secondary substations

emperature of the products shall be from –40 degrees celsius to +40 degrees celsius and technical lifetime shall be longer than 40 years. In this tendering, secondary substations and switching stations are grouped in the following purchase groups: Group 1: Small outside operated secondary substation

s (≤ 200 kVA). Group 2: Mid size outside operated secondary substations (≤ 315 kVA), compensation coil substations and switching stations. Group 3: Large outside operated secondary substations (≤ 1000 kVA). Group 4: Inside operated secondar