3 Product description
21BA6820378-03 EN
3.3 Function description
The dehydrating breather is used in oil-insulated transformers, reactors or
tap changers for dehydrating the air sucked into oil conservators.
Figureî°2: Overview
1 Upper air spout 2 Lock nut
3 Mounting flange (configurable) 4 Nut
5 Temperature and humidity sensor 6 Grounding screw
7 Sensor cable and cable protection
(optional)
8 Connection box (lacquer color con-
figurable)
9 Desiccant container 10 Lower metal flange
11 Dust protection tube with insect
protection grille (optional) or with
filter heating (optional HT version)
For illustrations of the various designs, see Dimensional drawings.
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