Schneider Electric NSB B15.5 Heater Pack and Element is a heater pack and element for NSB B15.5 enclosures. The description identifies Square D NSB B15.5 Heater Packs and Elements and lists EA, indicating this item is sold as an individual unit. As part of Schneider Electric's Square D NSB lineup, it provides the heating function required by NSB B15.5 panels.
