• Latchbolt by grip either side, unless outside grip is locked by energizing solenoid.

• Inside grip always free.

• Auxiliary latch deadlocks latchbolt.

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
Handed; quick reversible. The lockset can
be re-handed without disassembling the
lockcase.
Door Thickness
1-3/4" (44mm) standard. Optional door
thicknesses available; see Quick Codes,
page 81.
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
• Knob: stainless steel, 9/32" (7mm) x
9/32" (7mm).
• 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; see
Quick Codes, page 81.
Trim
Available with all ML2000 Series trim
designs including the Vineyard™
Collection and the Muséo® Collection. See
pages 20-62.
Cylinder
Brass, 6-pin, L4 keyway, 0-bitted standard.
Optional cylinders available; see Quick
Codes, page 73.
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%.
See Quick Codes, page 83.
Environmental Specifications
Operating Temperature
-13°F (-25°C) to 151°F (66°C)
Operating Humidity
5% to 95% relative humidity
non-condensing