PDK Smart Protection

Electric lock protection unit. A smart relay that has the ability to control the unlocking time (electrical/electronic), as well as provide audible alerts in case of continuous command, which may be caused by possible button blockages on doorphones/intercoms or system failure.

Installed externally on the door leaf, between the doorbell and the lock, it protects both electrical and electronic locks, as well as the intercom/door station system from potential damage.

• Operating voltage: 12V dc/ac to 15V dc/ac
• Unlock time: 2 sec
• Relay contact: normally open (7A)