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Schlage ND80EU — Fail-Secure Electrically Unlocked Storeroom Lock, ND Series Grade 1
The Schlage ND80EU is a Grade 1 cylindrical storeroom lock with integrated electric unlock capability. The outside lever remains continuously locked until released by key or electric current (fail-secure: locks on power loss). The auxiliary latch deadlocks the latchbolt when the door is closed. The inside lever is always free for immediate egress — no key required from the secure side.
Also available with Request to Exit (RX) function. Electrified functions auto-detect 12V or 24V DC operation with maximum 0.4A inrush and 0.1A holding current, eliminating heated levers.
Function Description
- Outside lever: Continuously disengaged (locked) until unlocked by key or electric current
- Inside lever: Always free for immediate egress
- Auxiliary latch: Deadlocks latchbolt when door is closed
- Fail mode: Fail-Secure — locks on power loss
- Voltage: Auto-detects 12V / 24V DC
- Current draw: 0.4A inrush / 0.1A holding
- ANSI function: F86 Storeroom
Default Configuration
- Style: Same lever, rose, and finish for both sides of the door with coordinating latch and strike
- Latch: 13-247 — 2-3/4" backset, 1-1/8" x 2-1/4" square corner faceplate
- Strike: 10-025 — ANSI, no box, 1-1/4" x 4-7/8", 1-3/16" lip length
- Door thickness: 1-3/4"
- Keying (P, P6, T cylinders): KD — Keyed Different
- Keys (P, P6 cylinders): Two nickel silver cut keys per lock
- Cylinder keyway: S123 (standard); C keyway for P cylinder option
- Keys included: 2
- Warranty: 10 years
ND Series — Strength & Durability
The Schlage ND Series is the foundation for Schlage's commercial cylindrical lock platform, shared across mechanical, wired electrified (ND80EU), and NDE wireless electronic configurations. All use the standard ANSI 161 door prep for easy interchangeability in new construction and retrofit.
- Withstands 3,100 in-lb. abusive lever torque — 2.6× BHMA Grade 1 requirement
- Withstands 1,600 lb. offset lever pull against pry bar attacks — 8× BHMA requirement
- Cycle tested to 16 million cycles — 16× BHMA requirement — with near-zero droop or wobble, no set screws or O-rings required
- Withstands 100 hammer blows — 20× BHMA requirement
- Five points of engagement for long-term lever stability
- High security available with Primus XP UL 437 listed cylinders
Features & Options
- Non-handed — installs on any door
- Heavy duty commercial grade construction — zinc and steel
- Three spring cage sets support all Schlage plus eight competitive cylinder formats
- Multiple key systems: open, patented, and restricted
- Vandlgard™ models available — lever rotates freely when locked to resist vandalism
- Indicator roses available for classroom applications
- Suites with Von Duprin exit devices and other Schlage products
- Perfectly suited to Schlage ALX Series Grade 2 locks for mixed-grade projects
Available ND Series Functions
Other ND Series models are available in the ND Series section. Key functions include:
- ND10 — ANSI F75 Passage
- ND12 — ANSI F89 Exit (mechanical and electrified)
- ND40 — ANSI F76 Privacy
- ND50 — ANSI F82 Entrance/Office
- ND53 — ANSI F109 Entrance
- ND70 — ANSI F84 Classroom
- ND80 — ANSI F86 Storeroom (mechanical and electrified)
- ND30 — ANSI F77 Patio
- ND72 — ANSI F80 Communicating
Certifications & Testing
- ANSI/BHMA A156.2 Series 4000, Grade 1 certified
- Electrified: ANSI/BHMA A156.25 (indoor) compliant
- UL/cUL listed: 3-hour A label fire door (4'×10' single; 8'×8' pair); 90-minute pair doors 8'×10' with 3/4" latch option
- ADA compliant
- Meets Buy American Act (BAA)
- ICC A117.1 Accessible and Usable Buildings compliant
- Florida Building Code compliant (ASTM E330, E1886, E1996) and Miami-Dade (TAS 201, 202, 203)
- CA Fire Code compliant for levers with return to door ≤1/2" (Rhodes, Sparta, Tubular, Omega, Longitude, Boardwalk)
- Federal: Meets FF-H-106C Series 161
- Additional: UL294, CSA C22.2 No. 205-M1983, FCC Part 15, IC RSS-210, RoHS
- ANSI cycle tested: 3 million cycles (3× ANSI grade requirement)
Downloads & Resources
- Schlage ND Series Catalog
- Schlage ND Series Sell Sheet
- Electrified Schlage ND Series Data Sheet
- Securing Your School — Door Hardware Solutions for Education
- Allegion Connect Data Sheet
- Schlage Key Systems Cylinders and Keys Catalog
- Schlage Cylinders and Key Blanks Quick Reference Guide
- ND Series Service Manual (manufactured after 1.31.17)
- ND Series Service Manual (manufactured before 1.31.17)
*Beyond Grade 1 performance applies to ND Series locks with Schlage cylinders (Conventional, FSIC & SFIC). Performance with non-Schlage cylinders exceeds BHMA Grade 1 but may be less than Schlage-cylinder performance.
Manufacturer Resources
Product Specs
- Series:
- ND Series
- Grade:
- Grade 1
- Duty Level:
- Heavy Duty
- Handle Type:
- Lever
- Keyed Function:
- Single Cylinder
- Keys Included:
- 2
- Warranty:
- 10 Year
- Standard Latch:
- 13-247: Deadlatch - 2-3/4" Backset - Square corner, 1-1/8" x 2-1/4"
- Standard Strike:
- 10-025: ANSI, no box, 1-1/4" x 4-7/8" (1-3/16" Lip length)
- Subcategory:
- Cylindrical Lever Locks
- Product Group:
- Mechanical Locks
- Product Subgroup:
- Bored Locksets
- Product Type:
- Leversets
- Keyed:
- Yes
- Electronic:
- Yes
- Commercial/Residential:
- Commercial
- Cylinder and Keyways:
- S123 (standard); C Keyway (P cylinder); FSIC (B, J cylinders); FSIC Construction Core (T cylinder)
- Function Description:
- Outside lever continuously disengaged until unlocked by key or electric current. Auxiliary latch deadlocks latchbolt when door is closed. Inside lever always free for immediate egress.
- Lock Type:
- Cylindrical
- Lock Function:
- Storeroom
- Fail-Safe/Fail-Secure:
- Fail-Secure
- Product Attribute:
- Cylindrical Locks
- Segment:
- Door Hardware
- Tags:
- nd80pdeu rho 626, nd80pdeu, schlage nd80pdeu
- Product Model:
- ND80EU
- Product Function:
- Storeroom
- Door Hand Direction:
- Non-Handed
- Product Category:
- Mechanical Locks
- Product Substrate:
- Zinc and Steel
- Department:
- Door Hardware
Parts & Accessories
Schlage ND80PDEU RHO 626 – Frequently Asked Questions
1) What is the primary function of the Schlage ND80EU storeroom lock?
The ND80EU is a storeroom function lock where the outside lever is always locked and requires a key for entry. The inside lever is always free for egress. When electrically unlocked, both levers operate freely until power is removed.
2) What does fail-secure operation mean for this lock?
Fail-secure means the lock remains locked when power is lost. This provides maximum security during power outages but requires battery backup systems for emergency egress in critical applications.
3) What door thicknesses and weights does the ND80EU accommodate?
Schlage ND series locks typically fit standard door thicknesses from 1-3/8" to 1-3/4". Check the manufacturer's template for specific door preparation requirements and weight limitations for your installation.
4) Is this lock handed and how do I determine the correct handing?
The ND80EU can be field-reversed for left or right hand applications. Determine handing by standing on the side where the door opens toward you - if hinges are on the right, it's right hand.
5) What finish options are available for the ND80EU?
Schlage ND series locks come in various finishes including satin chrome, bright brass, and oil-rubbed bronze. Check specific finish availability when ordering as options may vary by function.
6) What voltage and current does this electric lock require?
Verify the specific voltage requirements with the product specifications. Most Schlage electric locks operate on 12VDC or 24VDC. Check current draw specifications for proper power supply sizing.
7) Can this lock be integrated with access control systems?
Yes, the ND80EU is designed for access control integration. The electric unlock feature allows remote operation via card readers, keypads, or building management systems through proper wiring.
8) What tools are needed for installation?
Standard installation requires a drill, hole saws for door preparation, screwdrivers, and wire strippers for electrical connections. Use the manufacturer's template for precise hole placement.
9) How do I maintain the electric components of this lock?
Keep electrical connections clean and dry. Test the electric unlock function regularly. Lubricate mechanical components with manufacturer-approved lubricants. Check wire connections periodically for looseness or corrosion.
10) What other Schlage ND series functions are available?
The Schlage ND series offers multiple functions including entrance, privacy, passage, and classroom functions. Each serves different security and access requirements.
11) Is the ND80EU suitable for exterior doors?
While Grade 1 rated for durability, verify weather resistance specifications for exterior use. Consider additional weatherproofing for electrical connections in outdoor applications.
How fast can I get the Schlage ND80PDEU RHO 626 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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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 Schlage ND80PDEU RHO 626 come with a warranty?
Absolutely. The Schlage ND80PDEU RHO 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 Schlage ND80PDEU RHO 626?
You can call, text, or email our expert support team for fast answers. We’re here to help with
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