Alpha IS543TS Surface Master Station-Plastic+Toggle Switch

Surface Master Station-Plastic+Toggle Switch use with IA543 (or PK543A) Amplifier. Also Used IH101 or IH102 Flush Housing/S.The Alpha Communications® IS543TS is a universal intercom station which combines modern styling ease of operation to provide natural, clear voice communication and monitoring remote station. The white, high-impact, ABS plastic faceplate blends any decor. advanced circuitry versatility permits in large variety specialized applications.

The patented* design this allows for connection popular 5-wire, 4-wire 3-wire system configurations, single model built-in Toggle enables stay 'Listen' mode. Simply depressing 'Talk' button, optional ST-FOOT foot will override mode place Door button not usually these applications, but it can be another signaling purpose if needed.

• Surface mounting mounts over housing
• Simple, push operation
• Easy installation
• Patented* on systems
• Clear voice-quality long-life Mylar Speaker
• Built-in Switch
• English international (graphic) symbols
• Braille lettering faceplate