Hubbell Wiring Device-Kellems Circuit-Lock® Replacement Cover, Non-Metallic Standard UnFusible, For Use With: HBLDS6 Series 30 A Unfused Disconnect Switch, Specifications: -40 to 67 deg C Continuous Temperature, NEMA 4X, 2-Position, Terminal Screw, Composite, Gray, 9.96 in L x 6.86 in W x 2.437 in H Dimensions