Silica® 21, - controller. master,local control. * mounting: - installation type: slip-in mounting, - installation location: to the luminaire. - for surface-mounted luminairesfor pendant luminaires. * component: - housing. of extruded aluminium section. metallic grey (RAL 9006), width: 53 mm, height: 53mm. * 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: 59MX2AW000SA.