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What is the difference between Form FF4T and Form FF4T40?
Issue:
Fused Transformers Forms for NEMA starters

Product Line:
NEMA and Definite Purpose Contactors and Starters

Environment:
Type S Full Voltage Contactors and Starters

Resolution:
Form FF4T selects a transformer that will provide control voltage the timing relay coil only. Form FF4T40 provides a control power transformer sized adequately to supply secondary voltage to all the coils of the wye-delta starter assembly.

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