Rev. 1 - 07/98
Copyright© 1998-2000, 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: email@example.com
Due to continuous product improvement, all colors, sizes, materials,
finishes and specifications are subject to change without notice.
RY400 (3-Door Opener)
The RY400 is a relay adaptor used to provide 1 to 3
isolated auxiliary contacts from any SM400 series
master station, when the master has depressed one of
its selector buttons. The Contacts typically are used
for door release operation, although they may be
used for other uses. Connections to the unit are made
via a 14-conductor pigtail wiring harness, which is
supplied. The connector is color-coded, with wiring
designations on the unit's case.
• Easy installation
• Low-voltage operation
• Precision engineering
• Quick and easy replacement
Dimensions: Height: 5.50" (140mm)
Width: 3.75" (96mm)
Depth: 1.19" (31mm)
Construction: Attractive, flame retardant type
ABS plastic enclosure.
Connections: Pigtail wiring harness with 14 con-
Three isolated form 'C' contacts.
All connections available.
Transformer (1 per PK400)
IR/OR Series Remote Station(s)
SM400 Series Master Station(s)
ARCHITECTS' AND ENGINEERS'
The unit shall be Alpha Communications®/Tektone
RY400 or approved equal. It shall provide three isolated
form 'C' contacts which may be activated individually.
Both normally open and normally closed contacts shall
be available for connection to auxiliary devices. The relay
contacts shall be rated at 120VAC and have a carry and
switching current capacity of 1 amp minimum.
The circuitry shall be housed in an attractive, flame
retardant type ABS plastic enclosure. Connections sha