Grasslin by Intermatic DTAV40Product Attribute Attribute Value Input Type Voltage Output Type Relay Series DT Series Supply Voltage 250 VAC Type Timer UPC Code 078275125162 Overview The Grasslin DTAV40 defrost control is field adjustable for 120 V or 240 V operation and has defrost initiation times settable to the quarter hour via captive trippers at 15 minute intervals. The defrost timer is housed in a NEMA 3R indoor outdoor plastic enclosure. The relay output is 40 A Resistive,