- 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
- Voice and call tone volume controls
LEF-3L

Analog 3-Channel Master Station with Selective Door Release
The LEF-3L is a selective calling open voice style master station with selective door release capability with a maximum capacity of four stations, including itself.
Power Source 12V DC, 300mA per station. Use PS‑1208UL, or PS-1225UL for systems with BG-10C. |
Output
800mW @ 20Ω (reception) 500mW @ 20Ω (transmission) |
Talk Channel 1 talkpath. Occupied LED when in use. |
Wiring
5 common wires (E, R, Y, +, -), plus 1 individual wire per station, looped. Sub stations: 2 wires homerun in single master systems, or 2 common wires (E, -), plus 1 individual wire per station, looped or homerun. |
Relay Contact RY-PA, normally open or normally closed output, 1A, up to 110V AC or 24V DC. |
Capacity Up to 4 stations, intermixable |
Wiring Distance 650' w/22AWG; 1600' w/18AWG |
Dimensions 7-1/16" H x 5-5/8" W x 2-1/8" D |
Explore products
Discover our full lineup of intercom and access control solutions, engineered for reliability at any scale.
Transform Your Security Today
Connect with our local experts for product questions, demos, and assistance in designing your ideal security solution.
Contact Us
Technical Support
Our Technical Support Team always goes the extra mile to make sure you get the answers and assistance you need.
Technical Knowledge Base
Access product documentation and technical specs to support your installations and system designs.
Learn more
Contacts
Locate an Area Sales Rep: Area Sales Rep
Technical support: Technical Support
Customer service: Customer Service