SKU: PK543A_Leedan
PK543A Leedan Apartment Entry System Intercom Amplifier

PK543A (PK543A) Leedan Apartment Intercom Entry Amplifier is a self- contained unit that does not require an external amplifier. Leedan PK543A is designed for use with 3-, 4- or 5-wire apartment remote stations and provides amplification, control and power circuits needed to operate a complete apartment intercom system. Voice volume control and tone volume control are easily adjustable through the screwdriver opening on the front panel. Additional functions include multiple door entrance operation with the Leedan PK502B; AC, DC or Maglock configurations with three selectable delayed door timing modes; post office door lock release; steady or warble call tones; power LED; selectable door button hold timeout; and selectable talk before door interlock (available for 4 -wire stations only).

Leedan PK543A Specifications
Dimensions: Height: 5.5″ (140 mm)
Width: 3.125″ (80 mm)
Depth: 2″ (51 mm)
Construction: Flame-retardant (UL® 94V-0) plastic
Amplification: Integrated Circuit amplifier including
amplifier with frequency response,
adjusted for ideal voice quality.
Call Tone: Integrated circuit oscillator with steady
and warble modes
Door Release: AC, DC or Maglock (12 VDC/24 VDC)
Controls: Voice Volume, Tone Volume and
Dipswitches for selectable modes
Connections: Polarized plug-in type
Power Required: 16 VAC, 10 VA
Mounting: Surface mount