ARCHITECTS' AND ENGINEERS'
The DC to AC Door Strike Converter(s) shall be
Alpha Communications®/Golmar EL502, or ap-
proved equal. EL502 shall be mounted behind the
door entry station, or adjacent to the system's central
equipment, based on the best location, and taking into
consideration temperature, etc.
Unit(s) shall be used to convert the DC door strike
output of the Golmar system to an AC output to
power an AC (buzzing type) electric door strike.
The EL502 module(s) shall have positive screw
Contractor shall observe all local and national elec-
trical and building codes.
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DC to AC Door
The Alpha Communications®/Golmar EL502
DC to AC Door Strike Converter is a compact
assembly that is used in order to convert the
DC current normally provided by a Golmar
intercom or video-intercom system, to an AC
output to power an AC type (buzzing) electric
Typically, the EL502 mounts behind the in-
tercom or video-intercom door entry panel
(if space allows) or adjacent to the central
equipment that powers the system.
Compact design mounts behind door entry station or adja-
cent to central equipment
Positive screw terminals connectors
• Works with a variety of intercom and/or video-intercom
DC to AC Door
Rev. 1 - 05/10
Due to continuous product improvement, all colors, sizes, materi-
als, finishes and specifications are subject to change without notice.