The LSDA 300 Series Lever Lock features cylindrical construction and a strong return spring for non-sagging use on a variety of commercial or residential doors. The lever design is compliant with ADA and other accessibility codes. These locks are recommended for use on exterior and interior doors.

Typical applications include Offices, Commercial Properties, Retail Spaces, Multi-Family Buildings, Industrial Sites, and Public Buildings.
LSDA 300 Series Lever Lock

Certification: ANSI.BHMA 156.2 Series 4000, Grade 2; Latch is UL listed (USA and Canada) for 3-hour fire doors, included
Latch: 2-3/4” backset UL listed latch (sold with lock where indicated); 2-3/8” backset available
Handing: Non-Handed
Materials: Zinc, Brass, Steel
Strike: 4-7/8” x 1-1/4” ANSI full lip
Door Prep: 2-1/8” diameter bore, 1″ crossbore, optional through bolt holes (2); 2-1/4” x 1-1/8” latch face
Door Thickness: 1-3/8” x 1-3/4
  • Cylinders:
    Equipped with SC4 rekeyable 6-pin brass cylinders, compatible with LSDA Replacement C500 cylinders and many other retrofit cylinders including most high security brands.
  • SFIC:
    Some models prepped for Small Format Interchangeable Core (SFIC), such as BEST®, Falcon, Arrow®, 6- or 7-Pin
  • Madison (MA), Step Rose Design
  • Lexington (LE), Flat Rose Design
  • Sonoma (SO), Flat Rose Curved Handle Design


  • Entrance/Office (300) and Entrance/Office with Clutch (C300)
  • Passage (310)
  • Privacy (320)
  • Exit (330)
  • Storeroom (340) and Storeroom with Clutch (C340)
  • Classroom (350) and Classroom with Clutch (C350)
  • Dummy (360)

Do you have a question, or need a quote? Contact your local IDN Branch, or feel free to fill out our IDN Experts Follow-up form below.

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