ABB 1SVR550850R9500 Programmable Safety Relay

ABB 1SVR550850R9500 Programmable Safety Relay is a compact liquid‑level safety relay from ABB’s 1SVR family, designed to monitor liquid levels in safety‑critical processes and drive safety interlocks or controlled equipment when thresholds are reached. The unit supports DIN rail mounting and can also be installed using screw or snap‑in mounting options, making it flexible for panel or enclosure layouts. It operates from a 110–130 VAC supply and is compatible with a 30 V AC probe, enabling integration with standard sensors used in industrial liquid level monitoring. Its compact form factor measures 88.5 x 22.5 x 78 mm, allowing a compact installation in control panels with limited space. As a programmable safety relay, it provides the essential safety logic and interlock functionality typical of ABB’s safety technology line, suitable for applications where reliable monitoring of liquid levels and prompt safety responses are required.