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Square D S1F Series Encapsulated General Purpose Dry-type Transformers 240 x 480 V 1 phase

Mfg #: 1S1F
BOR #: 154022
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General Purpose - Intended for power, heating and lighting applications.

  • 240 x 480V Primary 120/240V Secondary 60 Hz
  • cULus listed
  • NEMA 3R
  • Rainproof and Ice/Sleet proof (Indoor/Outdoor)
  • Resin-filled general purpose transformers are epoxy encapsulated
  • The core-and-coil assembly is embedded in an epoxy resin compound and wall mounted for maximum protection
  • The enclosure has no openings, making resin-filled transformers ideal for use indoor or outdoor where airborne particles or contaminants could be detrimental to operation
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Product can be ordered only in multiples of
Brand Square D  
Number of Phases 1 phase  
Width 8.2 in  
Voltage 240 x 480 V  
Mounting Type Wall  
Weight 21 lb  
Depth 5.4 in  
Height 7 in  
Temperature Rating 115 deg C  
Insulation Temperature 180 deg C  
Number of Taps No Taps  
Winding Copper  
KVA Rating 1 kVA  
NEMA Rating NEMA 3R  
files?p_enDocType=Catalog&p_File_Name=0100CT1901_SEC-14_DEC-2020.pdf Catalog
files?p_enDocType=Catalog&p_File_Name=7400CT9601.pdf Catalog
Square D Specification Sheet Specification Sheet

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