Schmersal Inc. Relay, Safety, 230Vac, 24Vdc, 6A; Coil Voltage Schmersal SRB301AN-24VACDC

The SRB301AN is a safety control module for emergency stop applications with three safety contacts for STOP 0 and automatic reset. It mounts on standard DIN rail and is housed in a glass-fiber-reinforced thermoplastic case weighing 245 g. It operates at 24 V DC or AC, with input ranges of 20.4-28.8 V DC and 20.4-26.4 V AC at 50/60 Hz, consuming no more than 2.1 W or 3.5 VA. It achieves Performance Level e and SIL 3 for STOP 0, with a 20-year mission time and 10 million mechanical operations. Wire break, short-circuit, and earth fault detection are included. Ambient temperature range is −25 °C to +45 °C. Terminal connections accept 0.25-2.5 mm² cables with 0.6 Nm tightening torque. It complies with EN ISO 13849-1, IEC 61508, and IEC/EN 60947-1.