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Do the TeSys SK contactors have coil suppression fitted as standard?

No, neither the LC1SK** (AC coils) or LP1SK** (DC coils) range of contactors come with coil suppression.
Add-on Varistors and Diodes are available. They will clip into the side of the contactors.
Varistors:
  • If coil 24..48V ac/dc: LA4SKE1E
  • If coil 110..250V ac/dc LA4SKE1U
Diode:
  • If coil 24..250Vdc: LA4SKC1U

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