Various models of Signal Transformer’s ST series and DST Series of high isolation split bobbin low power transformers are recognised by UL as Inherently Limited Class 2 transformers per (UL 5085-3) ...
Inherently limited Class 2 Transformers from Foster Transformer are easier to install and operate since they require no external fusing and contain no internal current fuses. Jan. 31, 2012 Inherently ...
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