Product Overview
Schlage ND78PD RHO (Rhodes) Grade-1 Classroom Security Lever Lock (180 degree key rotation for lockdown) with IS-CRS (LOCKED/UNLOCKED) Inside Indicator Escutcheon Trim
The ND Series is ANSI/BHMA Grade 1 certified and performs beyond the Grade 1 standards. The Schlage ND is regularly used in healthcare, education, government, office, retail, and other commercial applications.
ANSI Function F110 - Lever with key cylinder both sides; deadlatch • In unlocked state latch is retracted by either lever • Outside lever is made inoperative by rotating key in either lever 180 degrees counterclockwise and returning to start position • Unlock outside lever by rotating key 180 degrees clockwise in either lever and returning to start position • Inside lever always free for immediate egress
- Significantly exceeds ANSI/BHMA Grade 1 requirements
- Withstands 3,100 in-lb. of abusive lever torque, as well as 1,600 lbs. of offset lever pull for protection against pry bar attacks
- Not only strong from attacks, but it also shows nearly zero droop or wobble after 16 million cycles
- The strongest cylindrical lock Schlage has ever built

| Brand | |
|---|---|
| Finishes |
626 Satin Chrome, 622 Matte Black, 613 Oil Rubbed Bronze, 643e Aged Bronze, 619 Satin Nickel, 626AM Satin Chrome Antimicrobial |
| Lock Function |
Classroom Security |
| Keyway |
Schlage C Keyway, Schlage S123 Keyway |
| Usage |
Heavy Duty |
| ANSI/BHMA Standard |
Meets and Exceeds ANSI/BHMA A156.2, Series 4000, Grade 1 |
| ADA Compliance |
Meets ADA requirements - A117.1 Accessibility Code |
| Fire-Rating |
UL/cUL listed up to 3 Hours (A Label) - UL symbol on the latch front |
| Handing |
Handed – LH, RH |
| Cylinder & Keys |
6-pin conventional, keyed different, with 2 keys |
| Backset |
2-3/4" |
| Latch |
1/2” throw, deadlocking - 1-1/8" x 2-1/4" face |
| Strike |
4-7/8” x 1-1/4” ASA/ANSI strike with curved lip to meet ANSI A115.2 door frame preparation |
| Lever Design |
RHO (Rhodes) |
| Door Thickness |
1-3/4" |
| Warranty |
10 Years |