Schneider Electric Industrial Relays SR2B121JD

The SR2B121JD is a compact smart relay with 8 discrete inputs, 4 relay outputs, and a local display, designed for industrial control. It operates on a 12 V DC supply (10.4-14.4 V range) with a current draw of 120 mA and dissipates 1.5 W without extensions. Relay outputs support 5-30 V DC and 24-250 V AC, rated for 8 A continuous current and 500,000 switching cycles under specified loads. It has 4 analogue inputs (0-10 V, 8-bit resolution), a cycle time of 6-90 ms, and a 10-year backup at 25 °C. Screw terminals accept 0.2-2.5 mm² cables with 0.5 N·m torque. Certified to CSA, UL, GL, GOST, and C-Tick, it meets EN/IEC 61131-2 and 60947-5-1, operates from -20 to 55 °C, and has IP40 protection. Weight is 0.25 kg.