Grey 220V Static Pass Box Controller, Feature : Accuracy Durable, High Quality

In the process of material transfer from unclassified area to classified area pass box used. Pass box is rectangular box with two or three doors. The doors are interlocked such a way that doors cannot be open at the same time, due to which pressure losses and bacterial contamination doesn’t take place throughout the material transferring process. The prevention of simultaneous access of doors has been achieved by our Pass Boxcontroller by ensuring that when one door for a Pass box is open then other doors closed