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Eaton's Marine Duty Transformers are specially designed for on-board installation in steel vessels, below deck in electrical or mechanical rooms where the ambient temperature is greater than normal. They are especially designed for operation in 50°C ambient locations, with a standard temperature rise of 115°C. Marine duty rated transformers are available in single- and three-phase ratings, and are manufactured with standard copper windings.
The basic purpose of a transformer is voltage transformation as near as practically possible to the load for economy and distribution of power. Typical loads for dry-type distribution transformers include lighting, heating, air conditioners, fans and machine tools. Such loads are found in commercial, institutional, industrial and residential structures.
Features, Benefits and Functions
- Meets ABS (American Bureau of Shipping) specification
- ABS Type Approval Certificate Number 04-TP517621-X
- 60 Hz operation
- 115°C temperature rise standard
- Copper windings standard
- Short-term overload capability as required by ANSI
- Meet NEMA ST-20 sound levels
Types EP, EPT
- Encapsulated design
- Suitable for indoor or outdoor applications
- Totally enclosed, nonventilated enclosures
- Enclosures are NEMA 3R rated
- Mountable in any position indoors and upright-only outdoors
- 180ºC insulation system
- 115ºC rise standard; 80°C rise optional
- Copper windings standard
- Available in singlephase ratings through 37.5 kVA (EP)
- Available in threephase ratings through 75 kVA (EPT)
Types DS-3, DT-3
- Ventilated, NEMA 2 enclosure standard
- Suitable for indoor applications; outdoors when weathershields are also installed
- Upright mounting only
- 220ºC insulation system
- 115ºC rise standard; 150°C or 80°C rise optional
- Copper windings standard
- Available in single-phase ratings 15–167 kVA and up to 4160 volts primary (DS-3)
- Available in three-phase ratings 15–1500 kVA and up to 4160 volts primary (DT-3)
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