ML20900 ECL Series
Electrified Mortise Lockset
Simplicity
Combine simplicity and access control
with the Corbin Russwin ML20900
ECL series electrically controlled
mortise lock. Utilizing the proven
ML2000 Series mortise lockset
with the patented quick reversible
latchbolt, the ML20900 series provides
remote locking and unlocking. The
electrified lock can be installed in a
standard mortise prep with slight
modification by door manufacturer.
The ML20900 ECL is ideal for use
where increased security is necessary
at all times, such as tenant space,
pharmacies, computer rooms, and
high security areas.
 

Specs:
Handing: Handed; quick reversible. The lockset can
be re-handed without disassembling the lockcase.
Door Thickness: 1-3/4" (44mm) standard. Optional door
thicknesses available.
Backset: 2-3/4" (70mm).
Lockcase:Heavy-gauge 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).
Armored Front:
Wrought brass, bronze or stainless steel
attached by machine screws to lockcase
front.
Latchbolt:
2-piece mechanical anti-friction insert,
5/8" (16mm) x l" (25mm) x 3/4" (19mm)
throw.
Auxiliary Latchbolt:9/16" (14mm) effective throw and
3/8" (10mm) effective auxiliary latch
deadlocking.
Hub:
• Lever: steel, 5/16" (8mm). (Including )
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
Trim:
Available with all ML2000 Series trim
designs.
Cylinder:
Brass, 6-pin, L4 keyway, 0-bitted standard.
Optional cylinders available
Keys:
Two nickel silver standard.
Warranty:
Ten-year limited warranty on ML2000
mortise lockset. Two-year limited warranty
on electronic components.
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%.
Environmental Specifications:
Operating Temperature
-13°F (-25°C) to 151°F (66°C)
Operating Humidity
5% to 95% relative humidity
non-condensing

Fail Safe - Latchbolt by grip either side, unless both grips are locked by energizing lock.
Latchbolt by key outside when lock is energized.
Auxiliary latch deadlocks latchbolt.

Fail Secure - Latchbolt by grip either side only when lock is energized.
Both grips locked when lock is not energized.
Latchbolt by key outside when lock is not energized.
Auxiliary latch deadlocks latchbolt.