Superseded Standard
Historical

UNE 21428-2-2:1997

THREE-PHASE OIL-INMERSED DISTRIBUTION TRANSFORMERS 50 HZ, FROM 50 TO 2 500 KVA WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV. PART 2: DISTRIBUTION TRANSFORMERS WITH CABLE BOXES ON THE HIGH-VOLTAGE AND/OR LOW-VOLTAGE SIDE. SECTION 2: CABLE BOXES TYPE 1 FOR USE ON DISTRIBUTION TRANSFORMERS MEETING THE REQUIREMENTS OF HD 428.2.1 S1.