The RM17UB310 is a relay module manufactured by Schneider Electric. It is a part of the RM17UB series, which are low-power, low-temperature relays. The RM17UB310 has three normally open (NO) contacts, a voltage rating of 48V, and a total current rating of 10A. It is UL approved and carries a CE mark, allowing it to be used in European markets. It can be used to control electrical or electronic circuits by opening and closing circuit paths, allowing current to flow when required. The product is designed for use in applications such as motor control, process control, and instrumentation.