Call Switch with SCR Circuit

- Flush or surface mounted in standard single-gang outlet boxes- Heavy-duty long-life switches- Color-coded connecting leads- Brushed aluminum faceplate- Mounting screws included- Designed for use with the PI35A, SI35A and Multi-Graphic Series 115B/2223/2233 systems- SCR holding circuits actuate the annunciator signal and LEDs in Bogen's SBA-Series room selector panels- Provide momentary press-to-call