H312KIT: 12" Plastic Enclosure, Includes Cover
• 12" high
• 19 grid inches (2-9.5 inch columns)
• Fits between studs
• ABS construction
• Flexi-mount system (slots and tabs allow for surface or flush mount
• Electrical J-box knockout on bottom

HD18: 18" Hinged Door Depth Extension Kit
HD36: 36" Hinged Door Depth Extension Kit
• Light weight removable door for the H318 or H336 enclosure
• Add over 1" depth to enclosure allowing room for larger power supplies
• Installs securely to enclosure with easy snap installation or tri-lobular screws, provided
• Door to door frame stay shut with snap action lock; keylock optional, H208

H318: 18" Enclosure
• 18 inches high
• 33 grid inches (2-16.5 inch columns)
• Fits between studs
• 16 gauge all metal construction
• New electrical knockout in bottom
• Eight knockouts including two located on the side of the box
• Accepts H290 or H291 power accessory