PROTECT SRB324ST - Safety Relay Suitable for signal processing of potential-free outputs, e.g. emergency stop command devices, position switches and solenoid interlocks Suitable for signal processing of outputs connected to potentials (AOPDs), e.g. safety light grids/curtains 3 safety contacts, STOP 0, 2 safety contacts, STOP 1 (adjustable 1 → 30 s) 4 Signalling outputs Optional: Short-circuit recognition, Manual reset with edge detection in fail-safe circuit, Automatic reset function Approvals BG, USA/CAN