The Otis elevator transformer TAA235BT1 is a toroidal transformer used in Otis elevator controllers. This Otis elevator power supply transformer has a primary rating of 400/415 V and secondary outputs of 23 V, 110 V, 255 V, 20 V and 69 V, with a power rating of 90 VA. It is commonly listed for the Otis Gen2 elevator range and supplies the low voltage circuits of the controller.
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Other Otis elevator transformers in the same range:
These transformers have different ratings and winding configurations from the TAA235BT1, so they are not interchangeable. The reference and the voltage ratings printed on the original Otis transformer must be confirmed before ordering.
Potensi supplies the Otis elevator transformer TAA235BT1 and a wide range of other Otis elevator transformers. The models above are only a part of what we can supply. We stock and source a much wider range of related and alternative Otis elevator power supply transformers. If your model number is not listed here, please send us the model number or a photo of the original part, and we will confirm availability and the correct match for you.
Q1: What is the TAA235BT1 transformer used for?
A: It is the power supply transformer of the Otis elevator controller. It steps the mains voltage down to the low voltage outputs that supply the control circuits of the installation.
Q2: Which Otis elevators is this transformer used on?
A: It is used on Otis elevator controllers and is commonly listed for the Otis Gen2 range. Please confirm the controller type and the transformer marking on site before ordering.
Q3: What are the voltage ratings and the power of this transformer?
A: The primary rating is 400 / 415 V. The secondary outputs are 23 V, 110 V, 255 V, 20 V and 69 V, and the power rating is 90 VA.
Q4: What other names or part numbers does this transformer have?
A: The transformer is written TAA235BT1 and is also written TAA235 BT1. It is also known as the Otis toroidal transformer, the Otis 90VA elevator transformer, and the Otis elevator power supply transformer.
Q5: How can I confirm whether this transformer matches my controller?
A: Please compare the reference, the primary and secondary voltage ratings, the terminal arrangement, the mounting, and the controller with your original Otis transformer. If you are not sure, please send clear photos of the transformer, including the label with the reference and the voltage ratings, the terminals, and the mounting, and our technical team can help identify the correct part.
Q6: Do you supply other Otis elevator transformers?
A: Yes. We supply Otis elevator transformers, toroidal transformers, power supply transformers, control transformers, and other Otis elevator electrical parts and spare components.
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