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What does the the ``2`` suffix designate at the end of part number LC1K1210B72?

Issue:
On part number LC1K1210B72, what does the last number "2" means?

Product Line:
Tesys K Contactor and Starter

Environment:
IEC Contactors and Starters

Resolution:
It is the code for a device with integral transient suppression. Both B7 and B72 coils are rated the same 24V, but the -B72 provides integral transient suppression.

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