IR-423 3-Wire Oversized Apartment Intercom Station

Stainless Steel

IR-423 is a 4 wire oversized apartment station which is an economical replacement stations for old Auth ‘777’ and ‘811’ installations. Although not circuitry compatible, they are oversized to cover the old Auth wall cutouts, and fit existing back boxes.

Dimensions	12 1/2""H X 5 1/2"W X 1 1/2"D
Controls	Individually replaceable Talk, Listen and Door Release buttons with self-wiping, plated contacts. Buttons are protected by 3/8" thick solid aluminum engraved plungers.
Finish	20 Gauge Stainless Steel
Holes	2 Mounting holes, 10 1/2" on center.
Screws	Scrulox tamper resistant mounting screws. (SC-1 Not included)
Speaker	3 1/2", 1 Watt, 45 Ohm, SK-004 Heavy duty magnet with voice-frequency response. Also used for tone signal from lobby panel.
Speaker Baffle	Metal speaker baffle.

4-Wire | 5-Wire

Wiring Instructions