Medeco 20200S1 6-Pin Key-in-Knob/Lever Retrofit Cylinder for K200, L100, LX100, L200, LX200, Schlage A/AL/C/D/ND & Olympiad Lever Designs

Medeco 20200S1 6-Pin Key-in-Knob/Lever Retrofit Cylinder — ANSI A156.30 Level A & Grade 1 Certified

The Medeco 20200S1 is a 6-pin Key-in-Knob/Lever retrofit cylinder engineered to upgrade cylindrical locksets, lever-type locksets, padlocks, and bored-type auxiliary deadlatches and deadlocks with Medeco's high-security key control technology. Constructed of durable machined brass components, this cylinder is compatible with K200, L100, LX100, L200, and LX200 lever platforms, Olympus 700LCM and 800LCM key-retaining cabinet locks, and Schlage A, AL, C, D, ND, and Olympiad lever designs. As part of the Medeco M4 (Medeco 4) cylinder family, it carries UL437 listing for drill and pick resistance along with utility patent-pending key control, making it a premier choice for commercial security upgrades.

Key Features

• 6-Pin Cylinder Configuration: Features a 6-pin tumbler design for enhanced key control and pick resistance in high-security commercial applications.
• UL437 Listed (M4): Medeco 4 (M4) Key-in-Knob/Lever cylinders are UL437 listed for drill and pick resistance, providing verified physical security performance.
• Utility Patent-Pending Key Control: Advanced key control technology helps prevent unauthorized key duplication, protecting access integrity over the life of the installation.
• Broad Retrofit Compatibility: Designed to retrofit K200, L100, LX100, L200, LX200 levers, Olympus 700LCM and 800LCM key-retaining cabinet locks, and Schlage A, AL, C, D, ND, and Olympiad lever designs — reducing the need for full lockset replacement.
• Machined Brass Construction: Cylinders are constructed of durable machined brass components for long-lasting performance in demanding commercial environments.
• Extensive Finish Selection: Available in 14 finishes including Bright Brass (05), Satin Brass (06), Antique Brass (09), Satin Brass Blackened (10), Bright Bronze (11), Satin Bronze (12), Oil Rubbed Bronze (13), Bright Nickel (18), Satin Nickel (19), Antique Nickel (20), Black (22), Dark Bronze (24), Bright Chrome (25), and Satin Chrome (26) to match existing hardware aesthetics.
• Industry-Leading Retrofit Range: Medeco offers over 100 different cylinder designs and tailpiece configurations, providing the largest retrofit capability in the industry and minimizing full lockset replacement costs.

Certifications & Compliance

• UL437 Listed for Drill and Pick Resistance (M4)
• ANSI A156.30 Level A — Patent-Protected Key Control and Physical Strength (M4, M3)
• ANSI A156.5 Grade 1 — Consistent Quality for Heavy-Use Applications (M4/M4 BiLevel, M3)

Technical Specifications

• Product Family: Key-in-Knob/Lever Cylinder
• Pinning: 6-Pin
• Compatible Hardware: K200 L100 LX100 L200 LX200 Levers, Olympus 700LCM 800LCM Key Retaining Cabinet lock, Schlage A AL C D ND & Olympiad lever designs
• Certification: UL 437 Listed; ANSI/BHMA A156.30 (M4); ANSI/BHMA A156.5 Grade 1 (M4)
• Construction: Durable machined brass components
• Warranty: 2-year manufacturer's warranty

Typical Applications

• Commercial Office Buildings Requiring High-Security Key Control
• Educational Facilities Upgrading Existing Cylindrical Locksets
• Healthcare Institutions with Controlled Access Requirements
• Retail Establishments Seeking Retrofit Security Solutions
• Government and Municipal Buildings
• Multi-Tenant Residential and Mixed-Use Properties
• Industrial and Warehouse Facilities with Cabinet Lock Security Needs

Why Medeco?

Medeco's 20200S1 6-pin retrofit cylinder delivers professional-grade security through machined brass construction, UL437-listed drill and pick resistance, and ANSI A156.30 Level A and A156.5 Grade 1 certifications — all in a single drop-in replacement cylinder. With compatibility spanning over 100 tailpiece configurations and support for the most popular commercial lever platforms, Medeco provides a cost-effective path to high-security key control without requiring full lockset replacement.