Aiphone LEF Series

  • 3, 5, and 10-call masters
  • Monitoring and selective calling
  • Selective calling, monitoring, and optional All Call
  • Call tone and LED annunciation at master
  • Push-to-talk at master, hands-free reply at called station
  • Selective door release on LEF-3L, LEF-5, LEF-5C, LEF-10, LEF-10S, and LEF-10C master stations (requires one RY-PA per door)
  • All Call with LEF-10S and all LEF-C masters requires BG-10C
  • Mix and match doors, masters, subs, speakers, and paging adaptors, up to 11 components in total
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Power Source:

12V DC standard systems use the PS-1208UL. Systems with a BG-10C use the PS-1225UL.


Push-to-talk (simplex)

Door Release:

N/O dry contact, 24V DC, 1A (one RY-PA per door strike)

Wire Type:

Variable wire types, refer to catalog.


Door Station or Sub Station to farthest Master Station: 650’ (22-AWG) 1,600 (18AWG)

Back Box Depth:

Recommended 2-½” minimum for all flush-mount stations