LCN 4011-3071DEL LH 689 Delay Action Cylinder AL

LCN 4011-3071DEL LH 689 Delay Action Cylinder AL is engineered for high-traffic environments, making it an ideal choice for institutional settings. This left-hand delay action cylinder assembly is constructed from durable aluminum, ensuring long-lasting performance even in rugged applications. The design of the 4000 Series LCN closers accommodates easy installation and superior functionality, specifically tailored for demanding conditions. With sizing options for interior doors up to 5’0" and exterior doors up to 4’0", the adjustable 4011 cylinder can be customized for interior doors up to 4’6" and exterior doors up to 3’6". The closer mounts on the hinge side and is available in both standard and optional custom powder coat finishes, offering a matte silver appearance (689/US28) that complements various architectural styles. Engineered to meet ADA requirements, the 4011 series is UL and cUL listed, ensuring compliance with safety standards. A notable feature is its extensive 30-year limited warranty, reflecting LCN's commitment to quality. For installations in corrosive conditions, an optional SRI primer is available. Whether for commercial or residential use, the LCN 4011-3071DEL delivers reliability and performance where it matters most.

Delay Action Cylinder AL

Delayed Action Cylinder Assembly, Left Hand, Aluminum

The 4010 is the best performing heavy duty closer designed specifically for institutional and other rugged high traffic applications.

The Surface mounted 4000 Series LCN closers feature a very modern design engineered for each application, easy installation, and superior performance and are designed for high traffic settings.

• Standard 4010 series closer is shipped with regular arm, standard plastic cover, and self reaming and tapping screws. See Options tab for options.
• Sized cylinders for interior doors to 5’0” and exterior doors to 4’0”.
• Non-sized cylinder (4011) adjustable for interior doors to 4’6” and exterior doors to 3’6”.
• Closer mounts hinge side, specify right or left swinging door.
• Corner brackets available. See Options tab for options.
• 4011 cylinder meets ADA requirements.
• Standard or optional custom powder coat finish.
• Optional plated finish on metal cover, arm and fasteners.
• Optional SRI primer for installations in corrosive conditions is available with powder coat only.
• The 4010 Series is UL and cUL listed with regular or fusible link arms for self-closing doors.
• Tested and certified under ANSI Standard A156.4, Grade 1.

Resources

• 4010 Series Surface Mounted Closers Cut Sheet
• LCN 4000 Series Catalog
• LCN 4010 Series Cut Sheet
• LCN 4010 Series Installation Instructions
• LCN 4010, 4010T, 4510, 4510T Drop Plate Installation Instructions
• LCN 4010, 4020 & 4110 Door Closer w/ Fusible Link Arm Installation Guide
• LCN 4011 Closer Installation Video
• LCN Closers & Auto Operators Installation Guide
• LCN Closers & Automatic Operators Parts Manual
• Von Duprin Finishes Chart