ABB 1SNA645072R0000 Safety Relay Module 24VDC

ABB 1SNA645072R0000 is the RB121G-24VDC interface relay (R600 series) designed for DIN-rail mounting in industrial control panels and safety interlocks. It operates with a 24 V DC coil and provides a Form C (SPDT) output with a rating of up to 6 A at 250 VAC, enabling reliable signaling and isolation in automation circuits. The 1SNA645072R0000 designation corresponds to the RB121G-24VDC variant and is widely listed across ABB distributors and catalogs under this exact order code. Ideal for machinery interlocks, safety circuits, and signaling tasks within DIN-rail mounted control assemblies, this relay pairs ABB’s robust RB121G family with straightforward wiring for common normally open and normally closed configurations.