This Harmony RM35-U multi-function control relay allows monitoring of voltage control. This modular multifunction control relay is ideal for monitoring electrical values and voltage variation in industrial and building control panels. It applies to a wide type of industrial automation applications such as hoisting, packaging, lifts, textiles, and water. It has one of the market's medium formfactors with a 35mm width, allowing for a flexible and easy installation on DIN rail, using the same space as any modular 3-pole DIN device. It also offers a selectable memory function, an integral LED for indicating control status, and a and a sealable cover with simple and precise settings with screw trimmers. It provides automatic shutdown management and fault information to users for quick fault identification and troubleshooting. Multi-function controller for wide choice selected in hard-wired logic automated systems, ideal for refurbishment of old installations without using a PLC.