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ND Series Grade 1 Cylindrical Lock

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ND Series offers a full breadth of commercial lock options with a suited combination of mechanical, electrified and electronic options. This page focuses on mechanical and electrified lock information, NDE wireless electronic lock and ND Series ligature-resistant HSLR trim information are available on a separate web pages.

Beyond grade 1 performance is the hallmark of the mechanical and electrified locks. ND Series locks are tested to withstand 3,100 in-lb. of abusive lever torque – more than 2 1/2 times the Grade 1 standard requirement. Offset lever pull testing up to 1,600 lbs. assures you of the lock’s superb resistance against pry bar attacks. More than strong, ND Series is built to last and shows nearly zero droop or wobble after 16 million cycles.

All ND Series locks including electronic and ligature-resistant trim use the common cylindrical ANSI 161 door preparation making them easily interchangeable. They are ideal for all new construction and retrofit applications.

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Features & Benefits:

Security

  • Significantly exceeds ANSI/BHMA Grade 1 requirements
  • No access with minimum 3,100 in-lb. abusive lever torque, the equivalent of over 690 lbs. applied to the end of a 4-1/2″ lever, 2.6 times over the BHMA requirement*
  • No access with minimum 1,600 lbs. offset lever pull for protection against pry bar attacks, 8 times over the BHMA requirement*
  • 5 points of engagement provide nearly zero droop and wobble after 16 million cycles, 16 times over the BHMA requirement*, without the use of set screws or o-rings
  • High security locking when used with Primus XP UL 437 listed cylinders

Function availability and convenience

  • 24 mechanical/4 electrified functions (custom functions available)
  • Multiple key systems available: open, patented and restricted
  • Four electrified functions auto-detect 12/24V DC operation and, with maximum current draws of 0.4 amps and 0.1 amps holding current eliminate heated levers
  • Indicator roses for classroom applications
  • Three spring cage sets support all Schlage plus eight competitive cylinder formats

Aesthetics

  • Nine lever and four rose designs
  • Ten available finishes
  • Perfectly suited to Schlage ALX Series grade 2 locks
  • Suites with Von Duprin exit devices and other Schlage products

Options

  • Vandlgard option lets the lever freely rotate up and down when locked protecting the chassis from excessive force on the lever to prevent vandlism – available on most keyed functions

Functions:

Non-keyed functions

  • ND10  ANSI F75 Passage Lock
  • ND12  ANSI F89 Exit Lock (mechanical and electrified)
  • ND40  ANSI F76 Privacy Lock
  • Plus four additional functions

Keyed functions

  • ND50  ANSI F82 Entrance/Office Lock
  • ND53  ANSI F109 Entrance Lock
  • ND70  ANSI F84 Classroom Lock
  • ND80  ANSI F86 Storeroom Lock (mechanical and electrified)
  • Plus six additional functions

Special functions

  • ND30  ANSI F77 Patio Lock
  • ND72  ANSI F80 Communicating Lock
  • Plus five additional functions

Certifications:
  • Tested and certified under ANSI/BHMA A156.2 Series 4000, Grade 1
  • UL/cUL listed: All locks 3-hour, A label fire door 4′ x 10′ single door and 8′ x8′ pair doors; 90-minute 8′ x 10′ pair doors with 3/4″ latch option
  • Meets ADA requirements
  • Florida Building Code and Miami Dade hurricane requirements compliant
  • California Referenced Standards Code: all levers with a return to door of 1/2″ (64 mm) or less comply
  • Meets BAA (Buy American Act)

Designs & Finishes:
  • Nine lever designs
  • Two rose designs: both predicated on lever choice and offered with locking indication optional
  • Ten finish options

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