What does the "3" at the end of the coil voltage on the LP*K******* contactors indicate?

Issue:
3 suffix on LP*K coil

Product Line:
Contactors & Starters-IEC

Environment:
TeSys™ K Contactors and Overload Relays

Resolution:
Provides built-in transient suppression via bidirectional diode.

Released for: Schneider Electric Canada