B e pumps manufacture subson, a lightweight fully automatic submersible drainage pumps from pompes salmson, france. These pumps are designed for pumping out wastewater and are extremely lightweight in construction consuming very little power. The range covers capacities up to 14 m³/hr and heads up to 11 metre. Subson pumps feature single phase, 230 v, 50 hz integrated motor with built-in permanent capacitor and thermal overload protection offering safety against overheating due to dry running and/or jamming of impeller by foreign bodies. The magnetic controlled float level switch ensures automatic on-and-off operation.