Silica® 21 - controller, - master, - local control, - dimmable. * mounting: - installation arrangement: single/continuous arrangement, - installation type: slip-in mounting, - installation location: to the luminaire. - for pendant luminairesfor surface-mounted luminaires. * component: - housing. of extruded aluminium section. metallic grey (RAL 9006), - for luminaires with opal or prismatic cover, - length: 127 mm, width: 53 mm, height: 54mm. * testings/approvals/admissions: - protection rating (complete): IP20, - insulation class (complete): insulation class I (protective earthing), - certification: CE. - permissible ambient temperature: 0..+40°C. - packaging unit: 1 piece. * type: 59MX2AW100SA.