altThe AE500 is a powerful digital indicator with up to four (4) alarms. The AE500 has various options such as digital communications, analog retransmission output, waterproof, and power supply for LED drive of SP400/SP500. In combination with the input selector SP400/500, maximum 16 points of input can be connected to one AE500. The AE500 matches the physical appearance of the CB series (CB100/400/500/700/900, CB103/403/903) Family of controllers.