Aiphone C-123L Chime Tone Intercom

With Door Release Switch

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  • Two Master Stations with Door Release
  • One Door Station
  • Dual Adaptor Kit
  • Max Distance of 490′
  • Adjustable Communication Volume
  • Automatically Turns Off After 20 Seconds
  • Runs on 4 C Batteries or DC Power Supply


Power Source

6 VDC, 80 mA

Power Supply

Per Master: Use 6 VDC SKK-620 power supply or 4 x C batteries (not included)


Door calls in with 2-tone chime (not adjustable). Press TALK button to reply, release to listen, power automatically shuts off circuit
Press to talk at Master station
Automatic shut off in 20 sec

Call Tones

2-tone electronic chime, fixed volume

Door Opening

Contact Rating: 50 VAC at 1 A


Door to Master: 2-conductor, overall shield
Between Masters: 2-conductor, overall shield


Door to Farthest Master:
22AWG: 245.0′ (74.6 m)
18AWG: 490.0′ (149.3 m)

Wire Type

Aiphone #822202 or Aiphone #821802

Dimensions (H x W x D)

C-MLA/A: 7.5 x 5.1 x 1.7″ (190.0 x 130.0 x 43.1 mm) C-D: 4.7 x 3.5 x 1.1″ (120.0 x 88.0 x 29.0 mm)


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