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How to wire a transformer with a S40F voltage code regardless of the KVA rating?
Issue:
How to connect a transformer with a S40F voltage code regardless of the KVA size?

Product Line:
Resin filled and Epoxy encapsulated transformers

Environment:
Products sold in North America

Resolution:
Connections depend on your application.

Primary:
Apply 480V lines to H1 and H4

Secondary:
For 120/240 Volt 3-wire: Connect X2 and X3 together and bond to ground per the NEC code. 240V outputs are X1 and X4, neutral is the X2/X3 connection

For 120 Volt 2-wire: Connect X2 and X4 together and bond to  ground per the NEC Code. Connect X1 and X3 together. 120V hot line is the X1/ X3 connection, and the neutral is the X2/X4 connection

For 240V connect X2 and X3 together then connect the 240V load wires to X1 and X4.

Schneider Electric USA

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