Corbin Russwin ML2000 Series
Corbin Russwin ML2055 ASA Classroom Mortise Lock, AS Lever, A Rose
Finish: Bright Brass (605)
Faded finishes are special order.
Configuration: Standard
- Door to door shipping
- Technical support on every order: 346-777-3031
Overview
About this product
The Corbin Russwin ML2055 ASA is a classroom function (F05) mortise lock from the ML2000 Series, fitted with the Armstrong lever (AS) on the A wrought rose. It is built for classrooms, labs and lecture rooms.
It is rated ANSI/BHMA Grade 1 and carries a fire rating of 3 hours with UL10c listing. The lock fits 1-3/4 inch doors with a 2-3/4 inch backset and has a 3/4 inch latch throw. The specifications list ADA compliance and a 10 year limited warranty on the lockset.
What the function does
The outside lever is locked and unlocked by key from the outside. While unlocked, either lever retracts the latchbolt; while locked, the outside lever stays locked until someone unlocks it with a key, and a key also retracts the latchbolt. The inside lever is always free, and the auxiliary latch deadlocks the latchbolt.
Highlights
- Outside lever locked and unlocked by key from outside
- Outside lever stays locked until unlocked by key
- Inside lever always free
- Armstrong lever with A wrought rose
- ANSI/BHMA Grade 1, 3 hour fire rating, UL10c listed
- Fits 1-3/4 inch doors with 2-3/4 inch backset
Photo shows the Bright Brass (605) and Satin Brass (606) and Satin Bronze (612) and Dark Bronze (613) and Dark Bronze (613E) and Satin Nickel (619) and Bright Chrome (625) and Satin Chrome (626) and Satin Stainless Steel (630) and Black Suede (BSP) finish. Other finishes are the same product in the finish you select.
How it works
Classroom function, ANSI F05
A key in the outside lever locks or unlocks it. The inside lever is always free, so nobody gets locked in. Common on classrooms and meeting rooms.
Specifications
- Model
- ML2055 ASA
- Function
- ML2055 Classroom, ANSI F05
- Grade
- ANSI/BHMA Grade 1
- Series
- ML2000
- Lever
- Armstrong
- Trim
- A-Wrought Rose
- Door thickness
- 1-3/4 Inch
- Backset
- 2-3/4 Inch
- Latch throw
- 3/4 Inch
- Latch face
- 8" x 1-1/4" x 3/32"
- Strike
- ANSI-Straight Lip
- Fire rating
- 3 Hours
- UL listing
- UL10c
- ADA compliant
- Yes
- Standards
- ANSI/BHMA A156.13 Series 1000, Operational and Security Grade 1, A117.1 Accessibility Code; UL Listed
- Projection
- 2-5/8 Inch
- Warranty
- 10 Year Limited on Lockset. 2 Year Limited on Electronic Components
- Buy American Act
- Yes
- Finish
- Bright Brass (605)
- SKU
- ML2055 ASA 605
Send a photo of the door edge and the hardware on it. We'll match the part.
Send a photoCommon questions
How is the classroom function locked?
With a key in the outside cylinder. There is no inside locking control on this function.
Can students lock themselves in or out?
The lock state is set with a key from outside, and the inside lever is always free, so the door can always be opened from inside.
What door does this lock fit?
It is made for 1-3/4 inch thick doors with a 2-3/4 inch backset, using a mortise pocket for the ML2000 Series lockbody.
Is it fire rated?
The specifications list a 3 hour fire rating with UL10c listing. Confirm the rating needed on the door's label.
Which finishes are available?
Finish options include 605, 606, 611, 612, 613, 626, 630 and others; choose the one that matches your other hardware.
Before you order
Buying for a whole job?
Send the hardware schedule or drawing. Door, frame and hardware quoted together so nothing shows up missing.