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Aiphone LEF-3L Call Semi-flush Master Station Intercom
The Aiphone LEF-3L is a selective call open voice style master station with the capacity of up to 4 total stations, including itself. Any combination of subs and masters can be used up to its maximum capacity.
Incoming calls from a sub or door station are annunciated with a momentary electronic mono-tone and an LED, remaining lit for approximately 20 seconds. Communication at the calling master is press-to-talk, release-to-listen. The person at the receiving station speaks hands-free. The person at the master station can selectively call and talk with a person at any other sub or master station in the system.
Master stations can be wall or desk mounted. Substations are available in surface or flush mount styles. Outdoor stations are available in surface or flush mount styles.
Features
- Up to 4 stations
- Flexible system, mix any 4 master and submaster stations
- LED and tone to announce incoming calls
- Push-to-talk to calling master station
- Hands-free communication at responding station
- Selective monitoring
- Selective door release(w/ RY-PA per door) on LEF 3L/5/10 Call Masters
- Voice and call tone volume controls
Technical Specifications
- Power Source: 12V DC, 300mA per station. Use PS‑1208UL, or PS-1225UL for systems with BG-10C.
- Capacity: Up to 4 stations, intermixable
- Talk Channel: 1 talkpath. Occupied LED when in use.
- Communication: Sub calls in with call-tone and LED, 20 sec. Depress the LED selector button, use TALK/LISTEN switch. Master calls in with tone or voice (no LED lit), reply hands-free. To call, depress a selector, and call by voice or tone Chime available with BG-10C
- Communication Output: 800mW @ 20Ω (reception); 500mW @ 20Ω (transmission)
- Door Release: RY-PA Contact rating: 24V DC, 1A. Use 1 RY-PA per door being released
- Wiring: 5 common wires (E, R, Y, +, -), plus 1 individual wire per station, looped.
Substations: 2 wires homerun in single master systems, or 2 common wires (E, -), plus 1 individual wire per station, looped or homerun. - Wiring Distance: 650' w/22AWG; 1600' w/18AWG
- Speaker Sensitivity: 40dB
- Total Harmonic Distortion:
- Less than 5% at rated output power
- Signal to Noise Ratio: 60dB
- Frequency Response: -3dB, 770-6800Hz
- Operation Temp: 32°~104°F (0°~40°C)
Product Literature
Find answers to our most frequently asked questions below. Got more questions? Reach out to our friendly customer service team, they will be more than happy to assist you.