![](https://www.pottersignal.com/product/news/PE_group.png)
Potter Electric Signal Company announces the release of the PE Series of notification appliances …
The ODC-56 Series Overhead Door Contacts are exclusively designed for rugged high traffic installations. The reed switch is hermetically sealed with a PVC shock absorber enclosed within a solid aluminum housing. Installation wires are protected in a 24" stainless steel armored cable. The magnet is enclosed and protected in a heavy duty aluminum housing.