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Basic Transformer Components
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Typical Encapsulated Non-Ventilated Transformer
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| Case | |||||||||||||||||||||||||||
| Encapsulating Mixture | |||||||||||||||||||||||||||
| Core | |||||||||||||||||||||||||||
| Leads | |||||||||||||||||||||||||||
| Coil | |||||||||||||||||||||||||||
| Wiring Compartment | |||||||||||||||||||||||||||
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Enclosures
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| Dry-type transformers are enclosed in heavy gauge steel which is degreased, cleaned, phosphatized, primed and finished with ANSI-61 weather -resistant power coat paint. Three types of enclosures are available: | |||||||||||||||||||||||||||
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| NEMA 1 Ventilated, Indoor Ventilated transformer enclosures are designed to allow air to flow over the core and coil to assist cooling. | |||||||||||||||||||||||||||
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NEMA 3R Ventilated, Outdoor?Outdoor weatherproof operation which meets NEMA 3R enclosure requirements is accomplished by the addition of U.L. approved weather shields. | ||||||||||||||||||||||||||
| Encapsulated Encapsulated transformers are totally enclosed, non-ventilated and are suitable for indoor or outdoor applications. Construction consists of a core and coil assembly completely encapsulated in a mixture of epoxy resin and sand to provide a rock-hard, durable, air tight, shock-free seal. | |||||||||||||||||||||||||||
| Note: All enclosures are provided with wiring components where the transformer leads are brought out for ease of customer cable connections. | |||||||||||||||||||||||||||
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