LTF Transformer Parts Codes

T – Transformer

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A – 120V input
E – 277V input
U – 220-240V input

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W- Watts

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A – AC Output
D – DC Output

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12 – 12V output
24 – 24V output

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L - part numbers with an L like "TA300WDL12LED", the L indicates a hole in the middle of the transformer

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LED – Means the transformer supports LED loads
No LED – Means LED loads are not supported (only Halogen)

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D010 – means that it supports 0-10 dimming only
No D010 – then standard ELV dimming applies

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RE – indicates that the transformer is in a remote enclosure for indoor use
REO – indicates that the transformer is in a remote enclosure for OUTDOOR use