LCN 4020-3049FL LH 689 Fusible Link Arm AL

LCN 4020-3049FL LH 689 Fusible Link Arm AL is engineered for high-traffic environments, ensuring reliability and performance where it matters most. This left-handed aluminum fusible link arm is part of LCN's 4020 Series, renowned as their top-performing heavy-duty door closer, offering fast and accurate installation. The standard closer comes with a regular arm, a durable plastic cover, and self-reaming and tapping screws for hassle-free setup. It accommodates sized cylinders for interior doors up to 5'0" and exterior doors up to 4'0", while the non-sized cylinder (4021) is adjustable for interior doors up to 4'6" and exterior doors up to 3'6". Designed for top jamb mounting, the closer is adaptable for both right and left swinging doors. Notably, the 4021 cylinder complies with ADA requirements, making it suitable for various settings. It is UL and cUL listed for self-closing doors and meets ANSI Standard A156.4, grade one certification. Available in a matte silver finish (689/US28), it also offers optional custom powder coat finishes and plated options for enhanced aesthetics. This door closer is an ideal choice for commercial installations, combining functionality with a commitment to safety and accessibility.

Fusible Link Arm AL

Fusible Link Arm, Left Hand, Aluminum

The 4020 Series is designed specifically for high traffic applications.

LCN's 4020 Series is their best performing heavy duty closer that is known for its fast and accurate installation.

• Standard 4020 series closer is shipped with regular arm, standard plastic cover, and self reaming and tapping screws. See the Options tab for options.
• Sized cylinders for interior doors to 5’0” and exterior doors to 4’0”.
• Non-sized cylinder (4021) adjustable for interior doors to 4’6” and exterior doors to 3’6”.
• Closer mounts top jamb (push side), specify right or left swinging door.
• 4021 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 4020 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 one.

Resources

• 4020 Series Surface Mounted Closers Cut Sheet
• LCN 4000 Series Catalog
• LCN 4010, 4020 & 4110 Door Closer w/ Fusible Link Arm Installation Guide
• LCN 4020 Series Cut Sheet
• LCN 4020 Series Installation Instructions
• LCN Closers & Auto Operators Installation Guide
• Von Duprin Finishes Chart