Corbin Russwin ML20987 NSA SAF Electrically Controlled Mortise Lock - Double Cylinder - Fail Safe - NSA Lever

Corbin Russwin ML20987 NSA SAF Electrically Controlled Mortise Lock - Double Cylinder - Fail Safe - NSA Lever

SAF - unlocked when power is off and locked when the power is on

- Latchbolt by grip outside when lock is energized.  - Outside grip locked when lock is not energized.  - Latchbolt by key both sides.  - Inside grip always rigid.  -  Auxiliary latch deadlocks latchbolt.

Notes:- This function does not allow free egress and can pose a life safety hazard in the event of an emergency. Installation should be in accordance with approved codes only. - Not available with L, R, or V escutcheon trim.

The electrified lock can be installed in a standard mortise prep with slight modification by door manufacturer.

Handing: Quick reversible. The lockset can be re-handed without disassembling the lock case

Door Thickness: 1-3/4" (44mm) standard.

Backset: 2-3/4" (70mm).

Lockcase: Heavy-gauge chrome plated steel, 5-7/8" (149mm) x 4" (102mm) x 15/16" (24mm).

Front: Heavy-gauge steel, 8" (203mm) x 1-1/4" (32mm) x -3/32" (2mm). Accommodates flat doors and doors beveled 1/8" (3mm) in 2" (51mm). Furnished 1-1/16" (27mm), optional D138, wide for 1-3/8" (35mm) doors.

Armored Front: Wrought brass, bronze or stainless steel attached by machine screws to lockcasem front.

Latchbolt: 2-piece mechanical with anti-friction insert, 5/8" (16mm) x 1" (25mm) x 3/4"(19mm) throw.

Auxiliary Latchbolt: 9/16" (14mm) effective throw and 3/8" (10mm) effective auxiliary latch deadlocking.

Hub; Knob: stainless steel, 9/32" (7mm) x 9/32" (7mm). Lever: steel, 5/16" (8mm). (Including ) 3/8" (10mm) stainless steel.

Spacing; C. to c. knob/lever to cylinder: 3-5/8" (92mm). C. to c. knob/lever to thumbturn: 2-7/16" (62mm).

Strike: Wrought brass, bronze or stainless steel, ANSI straight lip standard, 4-7/8" (124mm) x 1-1/4" (32mm) x 1-1/8" (29mm) lip to center. Optional strikes, lip lengths and ANSI wrought strike box available

Cylinder: Brass, 6-pin, L4 keyway standard. Optional cylinders available, 7-pin cylinder, Interchangeable core (IC)

Keys: Two nickel silver standard.

Keying Features Available: Master keying, Construction master keying

Warranty: Ten-year limited.

Electrical Specifications (Fail Safe/Fail Secure)

12/24VDC @ 15mA Continuous 12/24VDC Peak current draw =.5A (Maximum of 2 locks per 1A Power Supply) Monitor Switch Rating: 2 amp @ 24VDC Note: Operating voltage not to exceed +/- 10%.

Monitor Options

M91- Latchbolt Monitor: Latchbolt monitoring is a SPDT switch which monitors the full extension of the main latch.

M92- Request to Exit Monitor: Request to Exit monitoring is a SPDT switch which monitors the activation of the trim. (Both levers activate switch)

Model: Corbin Russwin ML20906, SAF, ML20906LWA

Certification/Compliance

ANSI/BHMA

Certified A156.13 Series 1000, operational and security Grade 1. Meets A117.1 Accessibility Code.

Federal

Meets FF-H-106C.

UL/cUL

All locks listed for A label and lesser class doors, 4' x 10' single or 8' x 10' pair. Letter F and UL symbol on armored front indicate listing. Meets requirements of UL1034.

Related Categories

• ML20900 Electrified Mortise Lock