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Our interlock products are customized
to your unique safety needs

Type S Switch Interlock

Isolation interlock

Type S auxiliary switches are slow-make, slow-break devices that respond directly to the movement of the lock bolt when the key is rotated. One, two, three or four sets of contacts are available.

The Type S auxiliary switches can be furnished on the following interlocks: Type F, Type B, Type T, Type D.

For further technical information please refer to the datasheet.


  • Key actuated electrical components
  • Easily Integrated with other Kirk Interlocks
  • Tamperproof mounting bolts optional
  • Available in SD (Brass) and HD (316 Stainless steel)

Typical application


Perimeter guarding

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9048 Meridian Circle NW                North Canton, OH 44720 USA

FAX (330)497-4400