Alpha Communications® Electric Door Openers

Electric Door Openers

The DO-304 electric door opener is a surface type door opener that is designed to be used on doors with rim cylinder type lock mechanisms. It is a narrow style.

The Alpha Communications® DO-304 electric door opener is a heavy duty rim type door opener that is designed to be surface mounted on doors using rim type cylinder locks. It is a narrow style surface door opener. The DO-304 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-304 makes a buzzing sound, when activated. When used with a 3-6VDC input, the DO-304 activates silently. NOTE: Many options are available for the DO-304 door opener, including different voltages. Alpha Communications® carries a complete selection of electric door openers for virtually any application. Please contact our sales dept. for more detailed information.

DO-304

FEATURES
• 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 installations
• Surface Mount type for Rim Cylinder Locks
• Non fail-safe operation standard
• 3 year limited factory warranty
• Very competitively priced

ARCHITECTS' AND ENGINEERS'

SPECIFICATIONS

The electric door opener shall be Alpha Communications® model DO-304 or equal. Door opener
shall be rim type, reversible, for use with doors that have a rim type door cylinder lock. Door
opener shall operate on 8-16VAC for buzzing operation, or 3-6VDC for silent operation. Door
opener shall be non fail-safe type, and shall be provided with positive screw terminal connections.
	
	
WIRING REQUIREMENTS
Run a 2-conductor #18AWG cable from the DO-304 door opener, back to the door opener power
source connection (for runs up to 50 feet). Run a 2-conductor #16AWG cable from the DO-304
door opener, back to the door opener power source connection (for runs up to 150 feet).