High Voltage / Electrical Distribution Interlocking


Trapped Key Interlocking Systems for Electrical Distribution Trapped Keyed Interlocking

Trapped Key Interlocks are mechanical or electro-mechanical devices used to ensure the safe operation of plant and equipment in a predetermined fashion.

Teksal is a long time distributor of Fortress Interlocks, offering years of experience with trapped key interlock applications and distribution interlocking project management.

Typical applications of trapped key interlocks include:

– ensures isolations are complete before allowing personnel access to machinery or equipment.
  • Switchgear interlocking and HV switching
– helps minimize switching and isolation risks in complicated distribution systems

Project Management / Globally Coordinated Solutions GlobalProject

Teksal offer a cost effective solution of managing a project’s interlocking scope.  This involves liaising with all relevant project stakeholders to ensure the interlocking sequence works the first time, regardless of where the project is designed and constructed.





Integration of Multiple BrandsIntegration of Multiple Brands

Where possible, Teksal can coordinate and integrate the use of multiple brands of interlocks on switch gear projects / large distribution systems.  This includes interlocks from; Fortress, Castell, Ronis, Kirk and others.