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Corbin Russwin CL3555

Heavy Duty Commercial Classroom Lever

SKU: CL3555

Price: $282.00

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The Corbin Russwin CL3555 keyed Classroom lever is a heavy-duty Grade 1 lever lockset, ideal for Schools, commercial and institutional applications. Classroom function-Key outside locks/unlocks outside lever. Inside lever always free. See more product information below

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Price: $282.00

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Choose Lever Style:

Choose Backset:

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The backset is the measured distance from the edge of a door to the center of the 2-1/8” bore hole.

Choose Finish:

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  • Corbin keyways are 0 bitted-ready to be keyed
  • M08 - Prepped for Best type interchangeable core, less core available in satin chrome finish and NZD lever only.
  • CL6 - Prepped for Corbin large format interchangeable core, less core available in satin chrome finish and NZD lever only.


  • Heavy-duty commercial cylindrical Classroom leverset
  • Door thickness-1-3/4"standard.
  • 2-3/4" backset standard, 2-3/8" available.
  • Latchbolt-stainless steel, 1/2" throw with 2-1/4" x 1-1/8" front
  • Non-handed
  • Strike-ANSI curved lip standard, 4-7/8" x 1-1/4" x 1-1/4" lip.
  • Anti-rotational through-bolts at 6 and 12 o’clock positions.
  • Cylinder-6-pin-prepped for Corbin RC core-less core, prepped for Best IC core-less core,
    available in satin chrome finish and NZD lever only.
    Corbin keyways, 0 bitted, ready to be keyed or Less cylinder. .

Available Options: Choose Options Above

  • Independent return springs prevent lever sag
  • UL 3-hour fire rating for 4' x 10' door.
  • Function-Classroom ANSI F84.
  • Key outside locks outside lever.
  • Outside lever unlocked by key outside
  • Inside lever always free.
  • Meets A156.2 Series 4000, Grade 1.
  • Meets A117.1 Accessibility Code
Available as a special order with other finishes, lever styles and backset. Contact us directly to arrange your special order.



Instructions & Templates

Click on the links below to download helpful instructions & templates for this product

Heavy Duty Commercial Classroom Lever

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