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When a classroom or similar room door calls for a mortise lock with the classroom function, this Corbin Russwin ML2000 series lock is built for exactly that job. It is the 55-Classroom function, ANSI F05, in a single cylinder layout, and it arrives as working trim with a wrought Lustra lever on the round A rose.
The finish is satin chrome, BHMA 626 (US26D), a matte silver look over a brass or bronze base. Handing is reversible, so you set it for the swing of the door on site rather than ordering a left or right version. The lock fits doors 1-3/4 in thick, and the supplier lists the L4 keyway.
The maker states this lock is Grade 1, cUL listed to UL 10C, fire rated for a minimum of 180 min (3 hr) on Class A labeled openings, designed for accessible operation, and BAA qualified. It is made in the United States, sold each, and backed by a 10-year limited warranty from Corbin Russwin.
- Series: Corbin Russwin ML2000
- Function: Classroom, ANSI F05 (55-Classroom)
- Lever: Lustra, with A rose
- Finish: Satin chrome, 626 (US26D)
- Base material: Brass or bronze
- Door thickness: 1-3/4 in
- Handing: Reversible
- Keyway: L4
- Part number: ML2055 LWA 626 M31
Accessible Design (ADA):
Designed for accessible operation (manufacturer data)
ANSI Function:
F05
BAA Qualified:
Base Material:
- Brass or Bronze
BHMA Finish:
626 (US26D) Satin Chromium Plated
Compliance Note:
As stated in manufacturer data; verify the listing for your opening.
Country of Origin:
- United States
Door Label Class:
- Class A label
Door Thickness:
1-3/4 in
Finish:
Satin Chrome
Finish Code:
626
Finish Family:
Matte Silver
Fire Rated:
Yes
Fire Rating:
- 180 min (3 hr)
Function:
Classroom
Grade:
Grade 1
Handing:
Reversible
Lever/Knob Design:
Lustra
Manufacturer Function:
55-Classroom
Manufacturer Warranty:
Limited Warranty: 10 Years
Rose/Escutcheon Design:
A Rose
Series:
Corbin Russwin ML2000
Sold As:
Each
UL Listing:
- cUL Listed
- UL 10C
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