The D type lock is a two-part interlock, comprising of a lock body and rear or front entry mounted catch. Typically, the D lock is used for interlocking electrical control cubicles and distribution panels. It is also suitable for use on light access doors or hatches. The catch is available in two options, one suited to well aligned doors, the other suited to poor, misaligned doors. The D lock is available as F style (figure style) or Q style of lock portions.The lock is manufactured in brass or stainless steel making it ideal for use in harsh or corrosive environments.The power supply to the system is switched on and the access doors to the hazardous area are locked closed. The removal of the isolation key in the KSS20, isolates the electrical supply to the LV Panel. This key is then used to unlock the D panel door interlock interlock on the panel door. The power cannot be switched on until the door is closed, the catch is trapped in the D panel door interlock and the key returned to the KSS20.
