Aiphone LEF-3L Specifications

LEF-3L 3-call Master Station with Door Release
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ARCHITECTS/ENGINEERS’ SPECIFICATIONS:
The intercom system shall be of an open voice, selective
calling type with three channels for communication and
selective control.
Master station shall have selector buttons with associated
LEDs for call-in indication, and a directory for station labeling.
A call-in shall light the LED for approximately 20 seconds
and activate a momentary call tone. The call shall be
answered by pressing the station’s selector button, then
pressing the TALK button to transmit, releasing to listen. The
person at the remote speaks hands free. The system shall
provide master-to-master communication with hands free
reply from the responding station.
SPECIAL ORDER PRODUCTS:
Master Station
LEF-3L 3-call Master w/sel. door release
Sub Stations
LS-NVP/A Vandal proof, weather resistant
sub station
Accessories
BA-1 Paging adaptor
STANDARD PRODUCTS:
Sub Stations
LE-D Door station, surface mt.
LE-DA Door station, flush stainless steel
LE-DL Door station, surface mt. metal
AH-108 10W 8 ohm horn w/ built-in capacitor
Accessories
NP-B Call button
NP-W Surface mount box for NP-B
NP-25V 33mfd, 25V, non-polarized capacitor
RY-AC External signaling relay
SBX-NVP Surface mount box for LS-NVP/A
PS-12C 12V DC power supply, 1A
Master station shall be equipped with a door release button,
activating the door strike where communication has been
established. A relay shall be used to provide Normally Open
or Normally Closed contacts. Other controls shall include TALK
and OFF buttons, voice and call tone volume controls. An
“Occupied” LED shall indicate if the system is in use.
Compatible remote stations shall include surface or flush
mount styles, with or without privacy, outdoor stations, and
vandal proof stations.
System shall be manufactured by Aiphone.
LEF-3L (2)
SYSTEM LAYOUT EXAMPLE:
= RY-PA Relay
Not Shown:
1 PS-12C Power Supply
AC Transformer for strikes
LEF-3L
LE-D
Door Strike
LE-D
Door Strike
LE-D
Door Strike
External contacts:
Wire pigtail from
back of unit.
Wht: Common for Dr. Rel.
Brn: Ctrl. for station 1
Red: Ctrl. for station 2
Org: Ctrl. for station 3
12
12
12
12
12
12
12
12
12
12
Door release
button
PS-12C
2
2
2
2

Aiphone LEF-3L Specifications

Power

power source	12V DC
communication output (receive)	800mW @ 20 ohms
communication output (transmit)	500mW @ 20 ohms

Wiring

wiring distance with 22AWG	650'
wiring distance with 18AWG	1, 600'
dimensions (HxWxD)	7-1/16" x 5-5/8" x 2-3/16"

Relay Specifications

RY-PA contact rating (AC)	1A, 110V
RY-PA contact rating (DC)	1A, 24V
use PS-1225UL	yes