Alpha A-4003A 3 Zone VIS Annunciator-2 Gang Requires 2-Gang

The Alpha Communications A-4003A is a 3 zone audible visual nurse call annunciator. It operates without voice intercom communication, using indicator LEDs and audible tones to signal calls. The unit prioritizes emergency calls over routine ones, with signals cancelable only at their origin point.

Constructed from anodized aluminum, this model includes designation strips, a hi-low tone switch, and an LED lamp test switch. It can be surface or flush mounted in a 2-gang configuration, and features volume control for tone signals. The unit is UL 1069 Listed and suitable for hospital and nursing home installations.