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What do AN and AF on the transformer nameplate mean?

Schneider

05/21/2025

Problem description:
What do AN and AF on the transformer nameplate mean?

Product Line:
Trihal Dry Type Transformer

Solution:
There are two cooling methods for dry - type transformers, namely AN method, i.e. air self - cooling; and AF method, which starts the fan for forced air cooling. When the Trihal dry - type transformer is connected to an external fan, forced ventilation (AF method) is activated when the coil temperature reaches 100°C, and the fan power is cut off when the temperature reaches 80°C. The above temperature setting values can be adjusted according to the on - site operating conditions.

Topics

Transformer

Schneider

Chengdu Fabo Automation Complete Equipment Co., Ltd is an authorized distributor of Schneider Electric, a global leader in energy management and automation solutions.

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