nVent Hoffman 90245472SP The door switch will allow lights or other electrical devices to turn on, or off, when the enclosure door is opened without the need for any manual interference.Feature: door switch with a voltage free contact to switch an electrical device on and off within floor standing enclosures; the door switch is mounted directly to the enclosure's frameAdvantage: the door switch can be installed easily inside the enclosure and is operated by either opening or closing the enclosure's door in order to switch electrical devices on or off automatically, without any additional operationBenefit: the door switch does not waste additional energy as it breaks electrical contact with the connected device when operatedBenefit: for electrical lights, this means that when the door is closed the light will turn off and for air conditioning units, when the door is opened the unit will turn off preventing any unnecessary condensation