Our products

Our interlock products are customized
to your unique safety needs

SD Keys


The KIRK® SD Series of trapped key safety interlocks feature the traditional keyed brass interlock design. This interlock series comprises a 7-pin nickel-silver key and a pin tumbler lock cylinder.

For further technical information please refer to the datasheet.


  • Available in SD (brass)

Typical application


Uninterruptible power supply

Global Headquarters

9048 Meridian Circle NW                North Canton, OH 44720 USA

FAX (330)497-4400