Finned Strip Heater Voltage 240V Overall Length 12 In. Mounting Dimension 11 In. 900 Watts Watt Density 33W/sq. in. Terminals Offset Element Width 1-1/2 In. Sheath Material Seamless 304 Stainless Steel Material Nickel Plated Steel 1 Phase H x W Across Fins 1-3/8 x 2 In. Max Sheath Temp 1200 Degrees F Mounting Type Surface Mount Slotted Hole Length 1/2 In. Slotted Hole Width 5/16 In. Screw Size 10-32 Standards E60605 Includes Mounting Tabs