2-Door Interlock Airlock Access Control Relay Module PCB-501 For Prison Or Bank Security Systems

Need a rock-solid solution for securing a high-traffic or high-security area?

This interlock airlock access control relay module is exactly what you're looking for.

It's designed to manage two doors, making sure they can't both be opened at the same time—perfect for prisons, banks, or any facility that needs that extra layer of security.

The module is brand new, still in its original packaging.

It's a generic/unbranded unit, model number PCB-501, and it's manufactured in China.

If you're setting up a mantrap or airlock system, this relay is the brains of the operation.