Atlantium SAL037200 — Ballast assembly, 2.3 kW, 400–480 V mains. Power conversion parts for the lamp circuit and the control electronics. Lamp power supplies and ballast modules are matched to the lamp power class and the mains voltage of the installation; quote the system model, serial number and supply voltage with the order. Spare part for Atlantium Technologies Hydro-Optic (HOD) UV water disinfection systems, which use medium-pressure lamps, a quartz treatment chamber working by total internal reflection, one UV intensity sensor per lamp and continuous UV-transmittance monitoring; installed in aquaculture, dairy and beverage process water, municipal drinking water, power-plant and industrial water treatment.