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CORBIN RUSSWIN ML2055 CLASSROOM MORTISE LOCK OVERVIEW
- ANSI function F05
- Latchbolt by grip either side, unless outside grip is locked by key outside
- Latchbolt by key when outside grip locked.
- Auxiliary latch deadlocks latchbolt.
- Inside grip always free.
- Outside grip remains locked unless unlocked by key.
Note: Not available with indicator, specify ML2003.
Standard features
- Door thickness: 1-3/4" (44mm) standard.
- Handing: Field Reversible;
- Strike: ANSI straight lip standard, 4-7/8" (124mm) x 1-1/4" (32mm) x 1-1/8" (29mm) lip to
center.
ML2000 SERIES OVERVIEW
The ML2000 Series is a Grade 1 mortise lock designed to meet the rigors of high-traffic commercial, institutional, industrial and government applications. Constructed of heavy-gauge steel, the lockbody features our patented Quick Reversible latchbolt, and a 1” stainless steel deadbolt. A wide variety of trim designs and functions and a 10-year warranty lend to the ML2000’s versatility and reliability, making it the ideal choice for use in offices, schools, hospitals, hotels and other high-use applications.
Security
Further discourage intrusion and abuse with the ML2000VR (Vandal Resistant) Series mortise lock featuring vandal-resistant stainless steel escutcheons with tapered edges and Torx® pin tamper resistant screws. When matched with Corbin Russwin patented high-security Pyramid or Access 3® cylinders, any door can become a formidable barrier to intruders.
Aesthetics
Complement any application with the full range of trim designs and finishes offered with ML2000 Series. From stainless steel security trims to bright brass Vineyard™ levers, design continuum can be achieved without forfeiting aesthetics. For additional information regarding designer trim, see the Corbin Russwin Vineyard™ Collection and Muséo® Collection catalogs.
Key Advantages
- UL Cycle above and beyond test completed at 14.5 Million Cycles. Verification ID: V875753
- Patented Quick Reversible feature enables reversal of hands without disassembling the lock case (Patent pending and/or patent www.assaabloydss.com/patents)
- Security trims provide a vandalresistant barrier
- Can be used with new or existing Corbin Russwin key systems. Also accepts cylinders of most other manufacturers.
- Provides life safety and security in a single door prep, saving the additional cost of a deadlock
- Thru-bolted trim designs for proper alignment and increased security
- Multi-function lockbody
- Status indicator options provide peace of mind on the locked/unlocked status of a door
DOWNLOADS & RESOURCES
ML2000 Series Promotional Sheet
Manufacturer Resources
Product Specs
- Subcategory:
- Mortise Locks
- Product Group:
- Mechanical Locks
- Series:
- ML2000 Series
- Grade:
- Grade 1
- Keyed Function:
- Single Cylinder
- Standard Cylinder:
- Conventional 6-pin, L4 Keyway
- Standard Latch:
- 3/4" Latchbolt
- Standard Strike:
- ANSI straight lip standard, 4-7/8" x 1-1/4" x 1-1/8"
- Warranty:
- 10 Year Limited
- ANSI/BHMA:
- F05
- Product Subgroup:
- Mortise Locks and Trim
- Product Type:
- Mortise Locks
- Keyed:
- Yes
- Commercial/Residential:
- Commercial
- Function Description:
- Latchbolt by grip either side, unless outside grip is locked by key outside Latchbolt by key when outside grip locked.
- Lock Type:
- Mortise
- Handle Type:
- Lever
- Lock Function:
- Classroom
- Product Attribute:
- Mortise Locks
- Electronic:
- No
- Product Model:
- ML2055
- Collection:
- ML2000_Series
- Product Function:
- Classroom
- Door Hand Direction:
- Field Reversible
- Door Thickness Range:
- 1-3/4"
- Product Category:
- Mechanical Locks
- Product Substrate:
- Brass or Bronze
Corbin Russwin COR-ML2055-NSA-626 – Frequently Asked Questions
1) What is the ML2055 classroom mortise lock designed for?
The ML2055 classroom mortise lock provides secure classroom functionality. Outside lever is locked by inside turn button or key. Emergency key unlocking from outside is always available. Meets classroom security requirements.
2) What door thickness does the ML2055 accommodate?
Standard ML2055 fits doors 1-3/4" to 2-1/4" thick. Check manufacturer specifications for exact compatibility. Verify door weight capacity matches lock requirements.
3) How do I determine the correct handing for this lock?
Stand outside the door. If hinges are on right and door swings away, order RH. If hinges on left and swings away, order LH. Classroom locks require proper handing for correct operation.
4) What finish options are available for the ML2055?
Common finishes include satin chrome, bright brass, and oil rubbed bronze. Verify specific finish availability when ordering. Match existing hardware for consistent appearance.
5) What grade rating does this mortise lock have?
Corbin Russwin ML series typically meets Grade 1 commercial standards. Provides heavy-duty performance for institutional applications. Verify specific grade requirements for your project.
6) Does the ML2055 meet fire door requirements?
Check manufacturer specifications for fire rating compatibility. Mortise locks can be used on fire doors when properly listed. Verify local code requirements before installation.
7) What cylinder type does the ML2055 use?
Uses standard mortise cylinder with cam tailpiece. Order cylinders separately to match existing keying system. Verify cylinder length for proper door thickness.
8) What is the standard backset for this lock?
Standard backset is typically 2-3/4". Some models offer adjustable backsets. Measure existing door preparation or check manufacturer template for exact requirements.
9) How do I adjust the ML2055 after installation?
Adjust latch bolt extension and strike alignment for proper operation. Turn button should lock outside lever completely. Lubricate moving parts with manufacturer-approved lubricants only.
10) What other ML series functions are available?
Corbin Russwin offers various ML functions including entrance, privacy, passage, and storeroom. Browse our Corbin Russwin section for complete ML series options.
11) Can this lock be used on exterior doors?
Classroom function is designed for interior use. For exterior applications, consider entrance or storeroom functions. Check weather resistance ratings if exposure to elements is possible.
How fast can I get the Corbin Russwin COR-ML2055-NSA-626 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Corbin Russwin COR-ML2055-NSA-626 come with a warranty?
Absolutely. The Corbin Russwin COR-ML2055-NSA-626 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Corbin Russwin COR-ML2055-NSA-626?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the Corbin Russwin COR-ML2055-NSA-626 from ZenSupply?
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and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.
