Rev. 1 - 08/96
Copyright© 1996-2000, Alpha Communications®, All Rights Reserved
42 Central Drive • Farmingdale NY 11735-1202 • Phone (631) 777-5500 • Fax (631) 777-5599
TOLL-FREE 1-800-666-4800 • Web: www.AlphaCommunications.com • Email: firstname.lastname@example.org
DO-409 Electric Door Opener
Mortise Type - Offset - Steel
The Alpha Communications® DO-409 offset electric door
opener is a low cost mortise type door opener that is
designed to be used primarily in metal or wooden door
frames. It is designed to install into a standard ANSI type
The DO-409 can be used in right-handed or left-handed
installations, simply by turning the door opener upside
down, during installation.
When used with an 8-16VAC input, the DO-409 makes a
buzzing sound, when activated. When used with a 3-6VDC
input, the DO-409 activates silently.
Installs into Standard ANSI Cut-out (Offset Latch)
• Operates on 8-16VAC or 3-6VDC standard
• Buzzes on AC operation and is silent for DC operation
• Reversible for right-handed or left-handed installa-
• Used primarily with Wooden door frames
• Non fail-safe operation standard
1000 Lbs. Holding Force
• Tested for 300,000 Cycles
• Horizontal Adjustment Screws to compensate for
DO-409 faceplate measures 1.25"W
(32mm) and 4.875"H (124mm).
NOTE: Many options are available for the DO-409
door opener, including different voltages (AC and
DC), different finishes, availability of continuous
duty activation, fail-safe operation, etc.
Alpha Communications® carries a complete
selection of electric door openers for virtually
any application. Please contact our sales dept.
for more detailed information.
Due to continuous product improvement, all colors, sizes, materi-
als, finishes and specifications are subject to change without notice.