The AD SRE4 is a high-performance safety relay designed to manage multiple safety devices in complex safety circuits. It provides advanced redundancy and fault detection to ensure machinery operates safely, cutting off power in case of an emergency or malfunction. This model supports single- or dual-channel control, with manual or automatic reset modes available for different operational needs. Equipped with diagnostic LEDs for status monitoring, it also features cross-short monitoring between channels. The AD SRE4 is ideal for applications requiring the control of emergency stop buttons, safety light curtains, and safety door interlocks.