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Fax: 305-696-0461 E-Mail: LAOrnamental@aol.com

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Select Engineered Systems CATRLY8 Access Control - SES CATDR4 CAT Expansion Modules

Select Engineered Systems CATRLY8 Access Control - SES CATDR4 CAT Expansion Modules

SES CATRLY8 Features:

• The CATRLY8 provides 8 relays for controlling elevator access.
• The CATRLY8 may also be used to control other items like lights or HVAC systems.
• The CATRLY8 is “opto isolated” from all other expansion modules and the CAT to provide additional surge suppression and isolation of any surge damage.
• 32 CATRLY8 may be added to any CAT providing up to 256 relays per system.
• The CATRLY8 and CATDR4 may both added to any CAT.

 Spec Sheet


Regular Price: $895.00
Our Price: $576.00



• CATRLY8 is an eight relay expansion module that will
interface with any CAT.
• CATRLY8 relay output is 24V AC/DC @ 3 amps.
• CATRLY8 is supplied with a 18 VAC 40VA transformer.
• Up to 32 CATRLY8 expansion modules may be added to
any CAT (total of 256 relays maximum).
• The CATRLY8 is opto Isolated (electrically isolated) from
any other expansion module(s) and the CAT.
• The CATRLY8 (maximum 32) and CATDR4 (maximum 3)
may be used with any CAT expansion.
• The CATRLY8 is programmed via the CAT using Selcom


• Dimensions: 11'” W x 11” H x 3 1/2” D
• Material Used: 16 gauge steel, weather resistant
enclosure available, order part #OPTRSTWRH.
• Finish: Painted
• Power Input: 18 VAC, 40 VA UL listed transformer
(provided with unit).
• Emergency Battery: Optional 12V .7 AHR GEL
CELL on constant charge (for control of line voltage
• Mounting: Surface, flush or pedestal mount.
• Shipping Weight: Approx. 15 lbs.
• Operating Environment: Temp.: -20º to 40º C;
(CATV temp.: 0º to 40º C) Relative humidity: 5% to
95% non-condensing.
• Relay Output: Form C dry contact 24V @ 3AMP.


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