Technical Parameters Category Specification Model MTL4573 Product Type Configurable Safety Relay for ESPE (e.g., Light Curtains) Safety Standards IEC 61508, IEC 62061, ISO 13849 Safety Level SIL 3 / PL e Input Channels 2 for monitoring OSSD signals from the safety sensor. Input Type Solid-state OSSD (PNP) signals, typically 24V DC. Outputs 3 safety relay outputs (force-guided contacts). Contact Rating (Output) 5 A, 250 V AC Supply Voltage 24V DC (19.2 - 30V DC) Configuration Via DIP-switches for modes like Reset, Muting, and Test. Key Features OSSD Monitoring Yes. Continuously monitors both channels for cross-circuit faults and shorts. Muting Function Yes. Configurable to allow temporary suspension of the safety function for material handling. Fault Detection Yes. Detects faults in the sensor, wiring, and internal circuitry. Status Indication Comprehensive LED indicators for Power, Inputs (CH1/CH2), Outputs, and Faults. Diagnostics Clear LED status for easy troubleshooting of the safety loop. Mounting 35 mm DIN rail. Operating Temperature -25°C to +55°C
