ABB 1SVR427041R1000 Industrial Safety Relay Module is a DIN-rail mounted safety relay designed to implement safety functions in machine control circuits. It uses screw-terminal connections for input and output (0.2–2.0 mm2 conductors; stripping length 6 mm; tightening torque 0.36–0.56 Nm) and mounts on a standard DIN rail (EN 60715) with snap-on mounting. The unit is IP20 protected and operates in a wide ambient temperature range from -25 to +85 °C, with isolation rated at 300 V between input and output. It weighs about 0.06 kg and carries safety-related approvals including UL 508, UL 60950-1, EN 60950-1.
