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Can I turn the instantaneous setting off for the LX and LE electronic trip breakers?

No for LX.
Yes for LE series 1 and 2 LSI or LSIG trip units.
For LE series 3, only with the 250 amp sensor installed with LSI or LSIG trip units. Series 3 started Oct. 2002.

CTA-ID : 2034708
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