Cover/Back.preflight (Page 2) - Siemens

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Encapsulated Transformers .050 - 3.0 KVA Single Phase 3.0 - 15 KVA Three Phase Features • UL listed designs which comply with applicable ANSI, NEMA, IEEE standards. • Totally enclosed, non-ventilated, heavy gauge steel enclosure. • Core and coil completely embedded within a resin compound for quiet, low temperature operation. • Encapsulation seals out moisture and air. • UL listed indoor/outdoor enclosure features integral wall mounting brackets. • Rugged design resists weather, dust, and corrosion. • Efficient, compact, lightweight, easy to install. • Flexible wiring leads that terminate within the bottom wiring compartment. • Large wiring compartment on the bottom with convenient knockouts. • High quality non-aging electrical grade core steel. • Precision wound coils. Wiring compartment for encapsulated transformer 6
Ventilated Transformers 15 - 167 KVA Single Phase 15 - 1000 KVA Three Phase Features • UL listed designs which comply with applicable ANSI, NEMA, and IEEE standards. • Designed for indoor installation: enclosures suitable for outdoor locations available as an option. • Core and coils are designed with UL listed high-temperature materials rated for 220°C; standard units feature 150°C winding temperature rise. • Optional low temperature rise of 115°C or 80°C winding temperature rise for increased efficiency and additional overload capability. • Rugged 12 gauge sheet steel enclosure with removable panels for access to the internal wiring area. • Neoprene noise dampening pads isolate the core and coil from the enclosure. • Optional drip shields and wall brackets available on most ratings. • High quality, non-aging electrical grade core steel. • Precision wound coils. • Totally enclosed Non-Ventilated designs available as an optional feature on most ratings. Optional Accessories Wall Mounting Brackets ➂ 1 Phase 15-50 KVA 3 Phase 15-50 KVA Drip Shield Kits ➀ 1 Phase 15-167 KVA 3 Phase 15-225 KVA ➁ Wall Mounting Brackets ➀ NEMA 3R outdoor rated transformer with installation of optional drip shield kit. ➁ Contact sales office for kits used on larger ratings. ➂ For units having standard features. Wiring compartment for ventilated transformer Drip Shield Kits 7
Page 1 and 2: Dry Type Transformers Selection and
Page 3 and 4: What does a Transformer do Principl
Page 5 and 6: Voltage Termination Both high volta
Page 7: Catalog Coding System 1 D 1 Y 167 K
Page 11 and 12: Catalog Temperature KVA Number Taps
Page 13 and 14: Electrostatic Shielded Electrical n
Page 15 and 16: Motor Drive Isolation Transformers
Page 17 and 18: K-Factor K-Factor 4 with Electrosta
Page 19 and 20: Typical Three Phase Buck-Boost Auto
Page 21 and 22: Buck-Boost Transformers 120 x 240 V
Page 23 and 24: Buck-Boost Connection Diagrams Sing
Page 25 and 26: Selection Process Selecting a trans
Page 27 and 28: Primary Volts Secondary Volts 50/60
Page 29 and 30: Glossary Air Cooled A transformer w
Page 31: Primary Rating The input, source, o

Cover/Back.preflight (Page 2) - Siemens

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