Medium power transformers 50 Hz, with highest voltage for equipment not exceeding 36 kV - Part 4: Transformers with cable boxes on the high-voltage and/or low-voltage side - Cable boxes type 2 for use on transformers meeting the requirements of EN 50588-2
Cable boxes described in this European Standard correspond to cable boxes Type 2 in EN 50588-2 and are suitable for assembly on the cover of oil-immersed distribution transformers meeting the requirements of EN 50588-2.
Cable boxes are air-filled, metal- or non-metal enclosed, for high- and/or low-voltage connections in the following variations:
1.1 High-voltage side
a) Connection directly to bushings;
b) Connection via busbar system.
1.2 Low-voltage side
a) Connection directly to bushings (maximum of four connectors per bushing);
b) Connection via busbar system.
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