ABB's liquid level monitoring relays are used for regulation and control of liquid levels and ratios of mixtures of conductive fluids. The assortment includes single function and multifunctional devices which can be used for overflow, dry-running protection of pumps, filling and draining applications as well as max. and min. level alarm. A range of accessories like different electrodes complete the offer. Main benefits include Latest approvals for reliable and worldwide use; High EMC immunity due to advanced measurement technology leads to reliability in harsh conditions; Easy to adjust via front side potentiometer; Easy to install with Easy Connect Technology & Toolfree mounting and demounting. Main features include Wide range power supplies like 24-240 V AC/DC; Adjustable sensitivity of the measuring system; Adjustable response sensitivity & Compact housing, 22.5 mm (0.89 in) wide.