For swing door drives, record provides two under floor designs, the C 90 SU and C 127 models. The former was specially designed for doors up to 600 kilos. The built-in stainless steel housing also has integrated floor bearings. The drive unit consists of an electro-mechanical system with high performance gears and low noise power transmission. In case of power failure, an option is emergency opening, while door leaves can be moved without effort should the power failure continue for longer than expected.