Potter HUB-TPotter HUB T Dual Button Hold Up Switch The Potter HUB T Dual Button Hold Up Switch provides two sets of momentary or latching DPDT contacts to activate surveillance cameras or other security devices while offering a reliable hold up signal. The contacts can be used independently or wired in series to minimize false alarms. Dual Contacts: Features two sets of DPDT contacts for flexible security applications. Surveillance Integration: Compatible with