Elegantly designed and highly efficient ceiling light suitable for use in demanding environments. Housing and end caps made of powder-coated steel sheet. End caps without visible screws, featuring a permanently shape-retaining silicone foam seal. Curved diffuser made of non-yellowing opal plastic (PMMA). Specially coordinated 2-component optical system for a homogeneous and soft illumination of the entire light-emitting surface. Suitable for ceiling and wall mounting. Integrated operating device. Suitable for through-wiring. Lights with limited surface temperature according to DIN EN 60598-2-24 for use in environments where non-conductive dust accumulation on the light is expected. Approved for use in the food and beverage industry. Environmentally friendly and resource-saving due to replaceable components.