Transformers submerged in oil

Information

* Transformers with natural ventilation

**Transformers with forced ventilation

admissible noise levels	KVA*	KVA**
48	0-50	---
51	51-100	---
55	101-300	---
56	301-500	---
57	700	---
58	1000	---
60	1500	---
61	2000	---
62	2500	---
63	3000	---
64	4000	---
65	5000	---
66	6000	---
67	7500	6250 AND LESS
68	10000	7500
69	---	9375
70	---	10000

The data included in the tables are based on the Colombian technical standard NTC 5978.