PLC-OPT- 36DC/110DC/3RW - PLC-INTERFACE for railway applications, consisting of basic terminal block with push-in connection and integrated miniature solid-state relay, range: 0.7 x U to 1.25 x U, temperature range: -25°C to +70°C, 1 N/O contact, input: 36 V DC, output: 12 - 140 V DC/3 A