Schlage ND78LD-SAR RHO 626 Grade 1 Classroom Security LockSchlage ND78LD-SAR RHO 626 Grade 1 Classroom Security lock offers robust protection with a design tailored for high-traffic areas. This cylindrical lock features a Rhodes lever and is designed for classroom security, enabling a 180-degree lockdown. With a satin chrome finish, it not only enhances aesthetic appeal but also ensures durability. Engineered to withstand the rigors of daily use, the ND Series exceeds BHMA Grade 1 standards, achieving over three million operating cycles. Its non-handed configuration makes installation straightforward, accommodating doors with a thickness ranging from 1 5/8" to 2 1/8". The standard backset is 2 3/4", with optional sizes available to fit various door types. Constructed with a zinc-plated lock chassis and steel latch bolt, this lock guarantees corrosion resistance and enhanced security. It comes with a 6-pin Everest 29 S123 keyway for reliable keying options, including master keying and interchangeable cores. The lock’s components, from the ANSI curved lip strike to the pressure cast zinc levers, ensure long-lasting performance. Backed by a ten-year limited warranty, the Schlage ND78LD-SAR is ideal for commercial applications, providing peace of mind for facility owners and users alike.
Grade 1 Classroom Security
Grade 1 Classroom Security (180-Degree Lockdown) Cylindrical Lock, Rhodes Lever, Sargent Prep Less Cylinder, Satin Chrome Finish, Non-Handed
Walter Schlage invented the cylindrical lock in 1920. Since then, the Schlage Lock Company has consistently delivered innovation and continuous improvement. In that tradition, The ND Series Cylindrical Lockset is a proven, easy to install product with extensive function, keying, trim and finish capabilities that work in nearly any application. The Schlage ND Series Locksets are commonly used in Healthcare, Education, Government, Office, Retail, and other commercial applications. The ND Series has been certified Grade 1; exceeding 3-million operating cycles without failure. This provides confidence that the lock will last within any type of facility. Finally, Schlage has incorporated wire-wireless capabilities that meet the access control and security needs of every facility owner.
Proven, easy-to-install lever locks with extensive function, keying, trim and finish capabilities.
The Schlage® ND family significantly exceeds BHMA Grade 1 requirements for cycle, hammer blow, lever torque, lever pull and other tests. This means confidence that the lock will last, whether the application calls for high abuse resistance or just operation over millions of cycles—without any degradation in performance.
- Handing: All ND-Series lever locksets are non-handed.
- Door Thickness: 1 5/8” to 2 1/8” (41mm–54mm) standard including Vandlgard® functions. 1 3/4” - 2” for function ND85. See accessories for spacers required for 1 3/8” doors.
- Backset: 2 3/4” (70 mm) standard. 2 3/8”, 3 3/4” and 5” (60 mm, 95 mm, 127 mm) optional.
- Faceplate: Brass, bronze or stainless steel. 1 1/8” x 2 1/4” (29 mm x 57mm) square corner, beveled.
- Lock Chassis: Zinc plated for corrosion resistance.
- Latch Bolt: Steel, 1/2” (12mm) throw, deadlocking on keyed and exterior functions. 3/4” (19 mm) throw anti-friction latch available for pairs of fire doors.
- Exposed Trim: Levers: Pressure cast zinc, plated to match finish symbols.
- Roses: Brass, bronze or zinc.
- Strike: ANSI curved lip strike 1 1/4” x 4 7/8” x 1 3/16” lip to center standard. Optional strikes, lip lengths and ANSI strike box available. See page 21.
- Cylinder & Keys: 6-pin Everest 29 S123 keyway standard with two patented nickel silver keys per lock.
- Keying Options: Interchangeable core and Primus high security cylinders. Master keying, grand master keying and construction keying.
- Warranty: Ten-year limited for all functions including Vandlgard.
Attributes
Ansi: ANSI A156.2 Series 4000, Grade 1
Ansi Function: F110
Bolt Projection: 1/2"
Cam Number: N123-076
Commercial Residential: Commercial
Country of origin: Mexico
Cylinder Type: Sargent Prep Less Cylinder
Door Thickness: 1-5/8" to 2-1/8"
Finish: 626/US26D
Finish Family: Matte Silver
Fire Rated: 3 Hours {A}
Fire Rating: 3 Hours {A}
Function: 78-Classroom Security (180-degree lockdown)
Grade: Grade 1
Handing: Non-Handed
Installation: Commercial
Leverknob Design: RHO - Rhodes Lever
Leverknob Design Family: Straight Return Lever
Limited Warranty: 10 Years
Lock Face Size: 2-1/4" x 1-1/8"
Origin: Mexico
Pack Qty: 1
Pins: 6
Projection: 2-15/16"
Roseescutcheon Design: Rose
Roseescutcheon Dimensions: 3-7/16"
Screws: Wood/Machine Screws
Series: ND Series Lever Locks
Std Latch Backset Dim: 2-3/4"
Std Latch Number: 13-247
Std Latch Type: Deadlatch
Std Strike Height: 4-7/8"
Std Strike Number: 10-025
Std Strike Type: ANSI Strike
Std Strike Width: 1-1/4"
Subtype: Cylindrical Lock
Type: Locks, Cylinders, Cores, Keyblanks
Ul Listing: UL/cUL Listed
Unit of Measure: Each
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