Alpha IA543 Specsheet

Product Specification Sheet A PS764 - Rev. 11/2013

IA543 Apartment Intercom System Amplifier (Open-voice type)

42 Central Drive • Farmingdale • NY • 11735-1202 • Phone: (631) 777-5500 • Fax: (631) 777-5599

TOLL-FREE: (800) 666-4800 • Web: AlphaCommunications.com • Email: info@alphacommunications.com

Due to co ntinuous pro duct improvement, all colo rs, sizes, materials, finishes and specification s are subject to ch ange without n otice.

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Architects' And Engineers' Specifications

The intercom amplifier shall be Alpha Communications® model IA543 or approved equal and shall provide amplification, c ontrol and power c ircuits needed to operate the entire intercom system. T he amplifier shall feature integrated circuit amplification, integrated circuit call tone osc illator (supporting steady and warble tone modes). User access to the voice volume cont rol and tone volume c ontrol shall be provided for field adjustment.

Unit shall also provide for AC, DC or Magloc k (12VDC/24VDC) door release with t hree (3) selec table delayed door timing modes. Steady and warble tone options shall be available to identify a call from the entrance panel and/or call butt on at suite entrance. Unit shall include power LED and selec table opt ions to provide button hold timeout and Talk interlock (T ALK button must be pressed before DOOR button can be activated). A spec ific function connector shall be provided to fac ilitate c onnec tion to devices that provide multiple entrance panel functionality.

Low voltage wiring shall be used and plug in type wiring harness, with pigtail connect ors, shall be provided for installation wiring.

Contract or shall observe all local and national electrical and building codes.

IA543 Apartment Intercom Amplifier

The Alpha Communicat ions® IA543 Power Pack Amplifier is a self- contained unit not requiring an external amplifier. The IA543 is designed for use with 5, 4 or 3 wire apartment speaker type stat ions and provides amplification, c ontrol and power c ircuits needed to operate a complete apartment intercom syst em. Voice volume cont rol and tone volume c ontrol are easily adjustable through the screwdriver slot on t he front panel. It is also a direc t replacement for the previous model(s) PK543 and PK543A.

Additional functions include multiple entrance operat ion with the

IA502; AC, DC or Maglock configurations with three (3) selectable

door timing modes; post office door lock release; st eady or warble call tones; power LED; select able door button hold timeout; and selectable Talk before door interlock.

Specifications

Dimensions:

Height: 5.625" (143mm) Width: 3.375" (86mm) Depth: 1.25" (32mm) from mounting

Construction: Flame-retardant (UL° 94V-0) plastic

Environment: 0°-30°C (32°-86°F)

Amplification:

Integrated c ircuit amplifier including amplifier with frequency response adjusted for ideal voic e quality.

Call Tone:

Integrated c ircuit osc illator with steady and warble modes

Door Release: AC, DC or Maglock (12VDC/24VDC)

Controls:

Voice volume, Tone volume, and Dipswitc hes for selectable modes

Connections:

Polarized plug in type wiring harness and special connector for IA502 connection

Power Requirement: 16VAC, 10VA

Mounting: Surface Mount

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