The Alarm Indicator, M4700 provide flush mounted LED based indication with 20 channels. Each channel can be used to indicate the state of one potential free contact.

All SELCO indicator units are available with either negative or positive reference. An insert paper label provides the opportunity to print a description or instruction right next to the related channel LED. The SELCO indicator units are available for both DC of AC supply. Input signals can be +24 VDC, +48 VDC or +110 VDC.